NC20MC0271JBE [KYOCERA AVX]
NTC SMD AgPdPt Termination;
| 型号： | NC20MC0271JBE |
| 厂家： | 
KYOCERA AVX |
| 描述： | NTC SMD AgPdPt Termination |
| 文件： | 总38页 (文件大小：817K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AVX
NTC Thermistors
Contents
NTC Thermistors
NTC THERMISTORS
General Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Selection Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ordering Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
RoHS/ELV Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
NTC SMD Thermistors
NC 12 - NC 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
With Nickel Barrier Termination NB 12 - NB 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
With Nickel Barrier Termination NB 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Surface Mounting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
NTC Accurate
NJ 28 - NI 24 - NK 20 - NP 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
NTC Disc Thermistors
ND 03/06/09 - NE 03/06/09 - NV 06/09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
NTC Leadless Disc Thermistors
NR Series for Consumer and Automotive Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Resistance
Tables of Resistance vs Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Identification – Traceability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
As we are anxious that our customers should benefit from the latest developments in the technology and standards,
AVX reserves the right to modify the characteristics published in this brochure.
NOTICE: Specifications are subject to change without notice. Contact your nearest AVX Sales Office for the latest specifications. All statements,
information and data given herein are believed to be accurate and reliable, but are presented without guarantee, warranty, or responsibility of any kind,
expressed or implied. Statements or suggestions concerning possible use of our products are made without representation or warranty that any such
use is free of patent infringement and are not recommendations to infringe any patent. The user should not assume that all safety measures are
indicated or that other measures may not be required. Specifications are typical and may not apply to all applications.
1
NTC Thermistors
General Characteristics
2.1.2. Temperature -
Resistance characteristics R (T)
This is the relation between the zero power resistance and
the temperature. It can be determined by experimental mea-
surements and may be described by the ratios R (T) /R
(25°C) where:
1 – INTRODUCTION
NTC thermistors are thermally sensitive resistors made from
a mixture of Mn, Ni, Co, Cu, Fe oxides. Sintered ceramic
bodies of various sizes can be obtained. Strict conditions
of mixing, pressing, sintering and metallization ensure an
excellent batch-to-batch product characteristics.
R (T)
is the resistance at any temperature T
This semi-conducting material reacts as an NTC resistor,
whose resistance decreases with increasing temperature.
This Negative Temperature Coefficient effect can result from
an external change of the ambient temperature or an inter-
nal heating due to the Joule effect of a current flowing
through the thermistor.
R (25°C) is the resistance at 25°C.
These ratios are displayed on pages 29 to 33.
2.1.3. Temperature coefficient (α)
The temperature coefficient (␣) which is the slope of the
curve at a given point is defined by:
By varying the composition and the size of the thermistors,
a wide range of resistance values (0.1Ω to 1MΩ) and tem-
perature coefficients (-2 to -6% per °C) can be achieved.
100
R
dR
dT
␣ =
•
and expressed in % per °C.
RoHS (Restriction of Hazardous Substances - European
Union directive 2002/95/EC).
2.1.4. Sensitivity index (B)
The equation R = A exp (B/T) may be used as a rough
approximation of the characteristic R (T).
ELV (End of Life-Vehicle - European Union directive
2000/53/EC).
B is called the sensitivity index or constant of the material
used.
All Thermistor Products have been fully RoHS/ELV since
before 2006.
To calculate the B value, it is necessary to know the resis-
tances R1 and R2 of the thermistor at the temperatures
T1 and T2.
Chip Thermistor NB RoHS/ELV Status: external Plating
100% smooth semi-bright Sn as standard SnPb Termination
available on request.
1
1
1
-
The equation: R1 = R2 exp B (T )
T2
leads to:
B (K) =
• ᐍn (RR1 )
1
1
1
1
2 – MAIN CHARACTERISTICS
2
-
(T )
T2
2.1 CHARACTERISTICS WITH NO DISSIPATION
Conventionally, B will be most often calculated for tempe-
ratures T1 = 25°C and T2 = 85°C (298.16 K and 358.16 K).
2.1.1. Nominal Resistance (Rn)
In fact, as the equation R = A exp (B/T) is an approximation,
the value of B depends on the temperatures T1 and T2 by
which it is calculated.
The nominal resistance of an NTC thermistor is generally
given at 25°C. It has to be measured at near zero power
so that the resultant heating only produces a negligible
measurement error.
For example, from the R (T) characteristic of material M
(values given on page 29), it can be calculated:
The following table gives the maximum advised measure-
ment voltage as a function of resistance values and thermal
dissipation factors.
B (25 – 85) = 3950
B (0 – 60) = 3901
B (50 – 110) = 3983
This voltage is such that the heating effect generated by the
measurement current only causes a resistance change of
1% ΔRn/Rn.
When using the equation R = A exp (B/T) for this material,
the error can vary by as much as 9% at 25°C, 0.6% at 55°C
and 1.6% at 125°C.
Maximum measuring voltage
Ranges of
Using the same equation, it is possible to relate the values of
the index B and the coefficient α:
(V)
values
(Ω)
δ = 2 mW/°C δ = 5 mW/°C δ = 10 mW/°C δ = 20 mW/°C
R 10
0.10
1
-B
T2
1
R
dR
dT
=
␣ =
•
• A exp (B/T) •
10 < R 100
0.13
0.38
1.1
0.18
0.53
1.5
0.24
0.24
2.0
A exp (B/T)
100 < R 1,000
1,000 < R 10,000
10,000 < R 100,000
R < 100,000
0.25
0.73
2.1
B
3.2
4.6
thus ␣ = –
expressed in %/°C
T2
6.4
9.7
14.5
2
NTC Thermistors
General Characteristics
Thus, the tolerance on the resistance (⌬R2/R2) at a temper-
ature T2 is the sum of two contributions as illustrated on
Figure 1:
2.1.5. Further approximation of R (T) curve
The description of the characteristic R (T) can be improved
by using a greater number of experimental points, and by
using the equation:
– the tolerance ⌬R1/R1 at a temperature T1 used as a
reference.
1
T
3
= A + B (ᐍn R) + C (ᐍn R)
– an additional contribution due to the dispersion on
the characteristic R (T) which may be called
“Manufacturing tolerance” (Tf).
The parameters A, B and C are determined by solving the
set of equations obtained by using the measured resis-
tances at three temperatures.
Graph with B
The solution of the above equation gives the resistance at
any temperature:
RΩ
Graph with B ΔB
2
3
3
1
3
B
C
A-1/T
A-1/T
+ 4
27
2
3
ͱ ͱ
ᐍn R (T) =
ͱ
3
27
-
+
( ) ( ( ) ( ) )
C
[
(ΔR)25°C
C
2
}
R
25
3
A-1/T 2
A-1/T
( )
C
3
2
3
27
2
B
ͱ
ͱ
27
ͱ
-
+
+
3
+ 4
(
)
]
(C)
( )
C
(ΔR)25°C
}
= (ΔR)T
+
}
The precision of this description is typically 0.2°C for the
range –50 to +150°C (A, B, C being determined with exper-
imental values at –20, +50 and 120°C) or even better if this
temperature range is reduced. The ratios R(T)/R(25°C) for
each of the different materials shown on pages 29 to 33
have been calculated using the above method.
}
T
F
25°C
Temperature (°C)
T
2.1.6. Resistance tolerance and temperature
precision
An important characteristic of a thermistor is the tolerance
on the resistance value at a given temperature.
Figure 1
Differentiating the equation R = A exp (B/T), the two contri-
butions on the tolerance at T can also be written:
This uncertainty on the resistance (DR/R) may be related to
the corresponding uncertainty on the temperature (DT),
using the relationship:
⌬R2
1
+ ⎪1T - T ⎪ • ⌬B
⌬R1
R1
=
1
2
R2
⌬R
1
⌬T = 100 •
•
␣
The T(f) values given with the resistance – temperature
characteristics on pages 29 to 33 are based on a computer
simulation using this equation and experimental values.
R
Example: consider the thermistor ND06M00152J —
• R (25°C) = 1500 ohms
2.1.8. Designing the resistance tolerances
• Made from M material
Using the fact that the coefficient ␣ decreases with temper-
2
ature (α = –B/T ), it is generally useful to define the closest
• R (T) characteristic shown on page 23 gives:
␣ = - 4.4%/°C at 25°C
tolerance of the thermistor at the maximum value of the
temperature range where an accuracy in °C is required.
• Tolerance ⌬R/R = 5% is equivalent to:
⌬T = 5%/4.4%/°C = 1.14°C
For example, let us compare the two designs 1 and 2
hereafter:
2.1.7. Resistance tolerance at any temperature
Any material used for NTC manufacturing always displays a
dispersion for the R (T) characteristic.
T
(°C)
R
α
Design 1
Design 2
⌬R/R(%) ⌬T(°C)
(Ω) (%/°C) ⌬R/R(%) ⌬T(°C)
0
25
3275
1000
300
-5.2
-4.4
-3.7
-3.1
3.5
3.0
3.5
4.1
4.5
0.7
0.7
1.0
1.3
1.6
5.0
4.5
4.0
3.4
3.0
1.0
1.1
1.1
1.1
1.0
This dispersion depends on the type of material used
and has been especially reduced for our accuracy series
thermistors.
55
85
109
100
69.4 -2.9
Only the Design 2 is able to meet the requirement ΔT Ӎ 1°C
from 25°C to 100°C.
3
NTC Thermistors
General Characteristics
2.1.9. Shaping of the R (T) characteristic
By the use of a resistor network, it is possible to modify the
R (T) characteristic of a thermistor so that it matches the
required form, for example a linear response over a restrict-
ed temperature range.
2.2 CHARACTERISTICS WITH ENERGY
DISSIPATION
When a current is flowing through an NTC thermistor, the
power due to the Joule effect raises the temperature of the
NTC above ambient.
A single fixed resistor Rp placed in parallel with a thermistor
gives a S–shape resistance–temperature curve (see Figure 2)
which is substantially more linear at the temperature range
around the inflexion point (Ro, To).
The thermistor reaches a state of equilibrium when the
power supplied becomes equal to the power dissipated in
the environment.
The thermal behavior of the thermistor is mainly dependent
on the size, shape and mounting conditions.
R
(kΩ)
Several parameters have been defined to characterize these
properties:
RTO
2.2.1. Heat capacity (H)
Rp
The heat capacity is the amount of heat required to change
the temperature of the thermistor by 1°C and is expressed in
J/°C.
Rp
2.2.2. Dissipation factor (␦)
This is the ratio between the variation in dissipated power
and the variation of temperature of the NTC. It is expressed
in mW/°C and may be measured as:
RO
U.I
85 – 25
␦ =
TO
T (°C)
where U.I is the power necessary to raise to 85°C the tem-
perature of a thermistor maintained in still air at 25°C.
Figure 2 – Linearization of a thermistor
2.2.3. Maximum permissible temperature (T max)
This is the maximum ambient temperature at which the ther-
mistor may be operated with zero dissipation. Above this
temperature, the stability of the resistance and the leads
attachment can no longer be guaranteed.
It can be calculated that better linearization is obtained when
the fixed resistor value and the mid-range temperature are
related by the formula:
B – To
B+ 2To
Rp = R
x
To
2.2.4. Maximum permissible power at 25°C (Pmax)
This is the power required by a thermistor maintained in still
air at 25°C to reach the maximum temperature for which it is
specified.
For example, with a thermistor ND03N00103J —
R25°C = 10kΩ, B = 4080 K
good linearization is obtained with a resistor in parallel where
the value is:
For higher ambient temperatures, the maximum permissible
power is generally derated according to the Figure 3 here-
after and TL = Tmax – 10°C.
4080 - 298
4080 + (2 x 298)
Rp = 10,000 Ω x
= 8088 Ω
2.1.10. Demonstration of the R (T) parameters
calculation
P
max
To help our customers when designing thermistors for
temperature measurement or temperature compensation,
software developed by our engineering department is avail-
able upon request.
Tmax
Figure 3 – Derating of maximum power
T°C
25°
TL
4
NTC Thermistors
General Characteristics
2.2.5. Voltage – Current curves V (l)
These curves describe the behavior of the voltage drop V
measured across the NTC as the current l through the NTC
is increased.
2.2.7. Thermal time constant
When a thermistor is self-heated to a temperature T above
ambient temperature Tamb, and allowed to cool under zero
power resistance, this will show a transient situation.
They describe the state of equilibrium between power
resulting from Joule effect and dissipated power in the
surroundings. (Figure 4)
At any time interval dt, dissipation of the thermistor
(␦(T – T
)dt) generates a temperature decrease –HdT,
amb
resulting in the equation:
1
␦
H
dT = -
dt
(T - T
)
amb
The solution to this equation for any value of t, measured
from t = 0, is:
V
Vmax
(T - T
(To - T
)
␦
H
amb
ᐍn
= -
t
)
amb
We can define a thermal time constant as:
= H/␦ expressed in seconds.
Where the time t = :
(T - T ) / (To - T
I
o
I
) = exp - 1 = 0.368
amb amb
Figure 4 – Voltage – current curve V (l)
expressing that for t = , the thermistor cools to 63.2% of the
temperature difference between the initial To and Tamb (see
Figure 5).
Several zones can be identified:
– low current zone
According to IEC 539 our technical data indicates mea-
dissipated energy only produces negligible heating and
the curve V (l) is almost linear.
sured with To = 85°C, T
T = 47.1°C.
= 25°C and consequently
amb
– non-linear zone
the curve V (l) displays a maximum voltage Vmax for a
current lo.This maximum voltage Vmax and the temper-
ature Tmax reached by the NTC under these conditions
can be determined by using the equations:
2
T (°C)
85
P = V /R = ␦ (T - T
amb
)
and
R = Ramb • exp B (1/T - 1/T
)
amb
therefore:
+
1 T
47.1
25
amb
ͱ
2
(
)
~
Tmax = B/2 - B /4 - BT
T
B
amb
amb
1 - 1
max amb
ͱ
t
-
Vmax = ␦ (T
T
) • R
amb
exp B
(
T
)
t (s)
max
amb
[
T
]
Figure 5 – Temperature – time curve T(t)
where ␦ is the dissipation factor and T
ent temperature.
is the ambi-
amb
2.2.8. Response time
More generally, it is possible to define a response time as the
time the thermistor needs to reach 63.2% of the total
temperature difference when submitted to a change in the
thermal equilibrium (for example from 60°C to 25°C in
silicone oil 47V20 Rhodorsil).
– high current zone
for higher currents, an increase in temperature of the
NTC decreases the resistance and the voltage more
rapidly than the increase of the current. Above a certain
dissipated power, the temperature of the NTC exceeds
the permissible value.
2.2.6. Current – Time curves l(t)
When voltage is applied to a thermistor, a certain amount of
time is necessary to reach the state of equilibrium described
by the V(l) curves.
This is the heating up time of the thermistor which depends
on the voltage and the resistance on one side and the heat
capacity and dissipation on the other.
The curves l(t) are of particular interest in timing applications.
5
NTC Thermistors
Application Notes
TEMPERATURE MEASUREMENT
High sensitivity and low cost make NTC thermistors the most
common device used for temperature measurement.
Thermistor
circuit
R
R
R
Non-linearity of the R -T curve generally leads to the use of
a resistor network to linearize the signal. An example is
given in Figure 6.
2
3
A/D
converter
More precise measurements and temperature display can
also be achieved with simple electronic equipment as
shown in Figure 7.
μ processor
with R/T
algorithm
The choice of the model will particularly take into account
the small size (better response time) and the resistance
tolerance. Mounting conditions (dissipation), and input volt-
age (self-heating) will also be carefully defined to avoid serious
errors in temperature measurement.
RNTC
1
Display T°C
Figure 6
Figure 7
TEMPERATURE CONTROL
AND ALARM
NTC thermistors can be used as a simple on-off control tem-
perature system or temperature alarm system. Figure 8 gives
an example of such a circuit.
R
3
R
1
When the temperature increases to a defined value, the
resistance of the thermistor decreases and the current
becomes sufficiently high to energize the relay and provide
temperature alarm or heating system turn-off.
R
2
RNTC
The high sensitivity of thermistors (about 4% resistance
change for 1°C) allows the temperature to be controlled very
precisely.
Figure 8
TEMPERATURE COMPENSATION
As many electronic components (integrated circuits, ampli-
fiers,...) have a positive temperature coefficient of resistance,
NTC thermistors represent a cheap and interesting solution
to compensate for this effect and provide an improved
temperature stability for electronic equipment.
Resistance
R
C
It is necessary to include the thermistor in a resistor network
(Figure 10) calculated in such a manner that the network
coefficient compensates exactly for the positive temperature
coefficient of the other component (Figure 9).
R
Total
R
C
R
Common leaded discs or chip thermistors are well suited for
this application.
R
R
R
NTC
NTC
Temperature
Figure 9
Figure 10
6
NTC Thermistors
Application Notes
RS
LIQUID LEVEL OR FLOW DETECTION
The dissipation of a thermistor is significantly different in a
liquid or in a gas, in a static fluid or in a stirred one. A liquid
level detector or a gas–flow measurement can be designed
using this property.
RNTC
V
Vin
In Figure 11, the output voltage measured on the thermistor
depends upon the dissipation factor of its environment, and
can be illustrated by V-l curves (Figure 12).
Figure 11
This voltage can be used to detect the presence (V2) or
absence (V1) of liquid around the thermistor or measure the
flow speed.
Voltage
V
in
A good design should define a precise operating temperature
range, where dissipation in the high dissipating medium at
highest ambient temperature remains higher than the dissipa-
tion in low dissipating medium at lowest ambient temperature.
V
2
1
V
k
k
2
1
SURGE PROTECTION
A soft start of sensitive apparatus can be achieved by using
NTC thermistors as described in Figures 13 and 14.
V
Current
in/R
S
Figure 12
At turn-on, the NTC absorbs the surge current, limits the
current across the equipment and protects it. Then, the
thermistor heats, its resistance decreases and most of the
power becomes applied to the apparatus.
RNTC
In its design, the thermistor will be selected with a thermal
capacity higher than the surge energy to absorb.
Equipment
Figure 13
TIME DELAY
The current-time characteristic of a thermistor is used in time
delay applications such as delaying energization of a relay
after application of power to an electrical circuit.
Power
Unprotected equipment
Protected equipment
The time delay, time necessary for the thermistor to heat up
to the temperature where its resistance allows the current to
reach the switching value of the relay, is mainly defined with
the nominal resistance of the thermistor.
NTC absorbed power
The time delay is also strongly dependent upon the ambient
temperature, as shown in Figure 15.
Time
Figure 14
T = 50°C
Current
T = 40°C
T = 25°C
Time
Figure 15
7
NTC Thermistors
Selection Guide
Types
Range of Values
R at 25°C
Main Applications Page
SMD
- Hybrid circuit
- Temperature
Compensation
10 Ω
1 MΩ
NC 12/20
NB 12/20
NB 21/23
10
12
14
Accuracy Series
NJ 28
NI 24
2 kΩ
2 kΩ
100 kΩ
100 kΩ
- Temperature
measurement
19
21
27
NP 30
NK 20
Leaded Discs
N.03
330 Ω
150 Ω
1 MΩ
- Temperature
measurement
and regulation
- Level detection
- Compensation
330 kΩ
N.06
68 Ω
150 kΩ
N.09
Leadless Discs
- Automotive
and industrial
thermal control
Custom designed products
generally defined at two temperatures
NR
8
NTC Thermistors
Ordering Code
HOW TO ORDER
NC20
K
0
0103
M
– –
Resistance at 25ºC
Type
NC 12
NC 20
Material
Material Code
2nd Digit
NJ, NK Types: A
NB, NC Types:
C or O or 5 or 2
Other Types: 0
Tolerance
on Resistance
at 25°C
Suffix
Code
(EIA Code)
I
J
K
L
M
N
P
Q
R
S
T
U
F: 1%
G: 2%
H: 3%
J: 5%
K: 10%
L: 15%
M: 20%
X: 25%
NB 12
NB 20
NB 21
NB 23
NJ 28
NI 24
NK 20
1. Resistance expressed by two
significant figures
2. Resistance expressed by three
significant figures
ND 03
ND 06
ND 09
(See tables
pages 29 to 33)
1st digit: 0 (zero)
1st, 2nd and 3rd digits: the first three
significant figures of the resistance
value at 25°C.
2nd and 3rd digits: the first two
significant figures of the resistance
value at 25°C.
NR ..
4th digit:
– for values > 100 Ω:
the number of ZEROS to be
added to the resistance value
4th digit:
– for values ≥ 10 Ω:
the number of ZEROS to be
added to the resistance value
– for values > 10 Ω and < 100 Ω:
the numerical 9 signifying that the
resistance value is to be multiplied
by 0.01
– for values ≥ 1 Ω and ≤ 9.9 Ω:
the numerical 9 signifying that the
resistance value is to be multiplied
by 0.1
– for values > 1 Ω and < 10 Ω:
the numerical 8 signifying that the
capacitance value is to be multiplied
by 0.01
Examples : 196 Ω: 1960
47.2 Ω: 4729
For leadless discs
(types NR) see
specification and
ordering code on
pages 28.
– for values < 1 Ω: the numerical 8
signifying that the resistance
value is to be multiplied by 0.01
Examples: 1000 Ω: 0102
8.2 Ω: 0829
0.47 Ω: 0478
LEAD-FREE COMPATIBLE
COMPONENT
ROHS/ELV COMPLIANCE BY PRODUCT FAMILY
RoHS (Restriction of Hazardous Substances - European Union directive 2002/95/EC).
ELV (End of Life-Vehicle - European Union directive 2000/53/EC).
All Thermistor Products have been fully RoHS/ELV since before 2006.
Chip Thermistor NB RoHS/ELV Status: external Plating 100% smooth semi-bright Sn as standard SnPb Termination available
on request.
Products that are supplied AS STANDARD in RoHS/ELV compliant form for listed
Industrial Product Family
RoHS Compliant for Material Listed
Hexavalent
Chromium
Group
Series
Cadmium
Lead
Mercury
PBBs
PBDEs
Leaded NTC
Thermistors
SMD
Thermistors NF NI
Thermistors ND NJ NP
Thermistors NC
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Thermistors
Thermistors NB
9
NTC SMD Thermistors
NC 12 – NC 20
Chip thermistors are a high quality and low cost device espe-
cially developed for surface mounting applications. They are
widely used for temperature compensation but can also
achieve temperature control of printed circuits. Its silver -
palladium - platinum metallization provides a high degree of
resistance to dewetting of the terminations during soldering
(typically 260°C / 30 s).
NC 12
IEC SIZE : 0805
NC 20
IEC SIZE : 1206
Types
3.2 (.126) 0.4 (.016)
1.6 (.063)
0.25 (.010)
1
DIMENSIONS: millimeters (inches)
0.5 (.020)
... 1.5 (.059)
0.5
...
0.2 (.008) min
0.2 (.008) min
0.
min
Terminations
Silver – palladium – platinum metallization
On packaging only
Marking
Climatic category
40/125/56
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
-55°C to +150°C
5%, 10%, 20%
0.12 W
0.24 W
4 mW/°C
7 s
2 mW/°C
5 s
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
HOW TO ORDER
NC 20
K 0
0103
M
BA
Type
Material Code
Resistance
10,000 Ω
Tolerance
M ( 20%)
J ( 5%)
Suffix: Packaging
– –: Bulk
BA: Plastic tape
(180mm diam. reel)
K
(See tables pages 11, 29-33)
K ( 10%)
BE: Plastic tape (1/2 reel)
BC: Plastic tape
(330mm diam. reel)
BB: Cardboard tape
(180mm diam. reel)
BF: Cardboard tape (1/2 reel)
BD: Cardboard tape
(330mm diam. reel)
10
NTC SMD Thermistors
NC 12 – NC 20
TABLE OF VALUES
NC 20
NC 12
IEC SIZE : 0805
B (K)
IEC SIZE : 1206
B (K)
Rn at 25°C
(Ω)
10
Material
Code
␣ at 25°C
(%/°C)
Rn at 25°C
(Ω)
Material
Code
␣ at 25°C
(%/°C)
Types
Types
(1) 5%
(1) 5%
(2) 3%
(
⌬B/B
)
(⌬B/B
)
(2) 3%
NC 20 KC 0 100
NC 20 KC 0 120
NC 20 KC 0 150
NC 20 KC 0 180
NC 20 KC 0 220
NC 20 KC 0 270
NC 20 KC 0 330
NC 20 KC 0 390
NC 20 KC 0 470
NC 20 KC 0 560
NC 20 KC 0 680
NC 20 KC 0 820
NC 20 KC 0 101
NC 12 KC 0 180
NC 12 KC 0 220
NC 12 KC 0 270
NC 12 KC 0 330
NC 12 KC 0 390
NC 12 KC 0 470
NC 12 KC 0 560
NC 12 KC 0 680
NC 12 KC 0 820
NC 12 KC 0 101
18
22
27
33
39
47
56
68
82
100
12
15
18
22
27
33
39
47
56
68
82
100
KC
3470 5%
– 3.9
KC
3470 5%
– 3.9
NC 12 MC 0 121
NC 12 MC 0 151
NC 12 MC 0 181
NC 12 MC 0 221
NC 12 MC 0 271
NC 12 MC 0 331
NC 12 MC 0 391
NC 12 MC 0 471
NC 12 MC 0 561
NC 12 MC 0 681
NC 12 MC 0 821
NC 12 MC 0 102
NC 12 MC 0 122
NC 12 MC 0 152
NC 12 MC 0 182
NC 12 MC 0 222
NC 12 MC 0 272
NC 12 MC 0 332
120
150
180
220
270
330
390
470
560
NC 20 MC 0 121
NC 20 MC 0 151
NC 20 MC 0 181
NC 20 MC 0 221
NC 20 MC 0 271
NC 20 MC 0 331
NC 20 MC 0 391
NC 20 MC 0 471
NC 20 MC 0 561
NC 20 MC 0 681
NC 20 MC 0 821
NC 20 MC 0 102
NC 20 MC 0 122
NC 20 MC 0 152
120
150
180
220
270
330
390
470
560
680
820
1,000
1,200
1,500
MC
3910 3%
– 4.4
MC
3910 3%
– 4.4
680
820
1,000
1,200
1,500
1,800
2,200
2,700
3,300
NC 20 I 0 0182
NC 20 I 0 0222
NC 20 I 0 0272
NC 20 I 0 0332
1,800
2,200
2,700
3,300
NC 12 J 0 0332
NC 12 J 0 0392
NC 12 J 0 0472
NC 12 J 0 0562
3,300
3,900
4,700
5,600
I
3250 5%
3480 3%
– 3.7
– 3.9
J
3480 3%
3630 3%
– 3.9
– 4.0
NC 20 J 0 0392
NC 20 J 0 0472
NC 20 J 0 0562
NC 20 J 0 0682
3,900
4,700
5,600
6,800
J
NC 12 K 0 0682
NC 12 K 0 0822
NC 12 K 0 0103
NC 12 K 0 0123
6,800
8,200
10,000
12,000
K
NC 20 K 0 0822
NC 20 K 0 0103
NC 20 K 0 0123
NC 20 K 0 0153
8,200
10,000
12,000
15,000
K
3630 3%
– 4.0
NC 12 L 0 0153
NC 12 L 0 0183
15,000
18,000
L
3790 3%
3950 3%
– 4.2
– 4.4
NC 12 M 0 0223
NC 12 M 0 0273
NC 12 M 0 0333
NC 12 M 0 0393
22,000
27,000
33,000
39,000
NC 20 L 0 0183
NC 20 L 0 0223
18,000
22,000
M
L
3790 3%
3950 3%
– 4.2
– 4.4
NC 20 M 0 0273
NC 20 M 0 0333
NC 20 M 0 0393
NC 20 M 0 0473
27,000
33,000
39,000
47,000
M
NC 12 N 0 0473
NC 12 N 0 0563
47,000
56,000
N
4080 3%
– 4.6
NC 12 L 2 0683
NC 12 N 0 0823
68,000
82,000
L2
N
3805 3%
4080 3%
– 4.1
– 4.6
NC 20 N 0 0563
NC 20 N 0 0683
NC 20 N 0 0823
NC 20 N 0 0104
56,000
68,000
82,000
100,000
N
P
Q
R
4080 3%
4220 3%
4300 3%
4400 3%
– 4.6
– 4.7
– 4.7
– 4.8
NC 12 P 0 0104
NC 12 P 0 0124
NC 12 P 0 0154
NC 12 P 0 0184
100,000
120,000
150,000
180,000
P
4220 3%
4300 3%
– 4.7
-4.7
NC 20 P 0 0124
NC 20 P 0 0154
NC 20 P 0 0184
NC 20 P 0 0224
120,000
150,000
180,000
220,000
NC 12 Q 0 0224
220,000
Q
NC 20 Q 0 0274
NC 20 Q 0 0334
NC 20 Q 0 0394
NC 20 Q 0 0474
270,000
330,000
390,000
470,000
NC 20 R 0 0564
NC 20 R 0 0684
NC 20 R 0 0824
560,000
680,000
820,000
NC 20 R 0 0105 1,000,000
11
NTC SMD Thermistors
With Nickel Barrier Termination NB 12 - NB 20
Chip thermistors are high quality and low cost devices
especially developed for surface mounting applications. They
are widely used for temperature compensation but can also
achieve temperature control of printed circuits.
A nickel barrier metallization provides outstanding qualities of
solderability and enables this chip to meet the requirements
of the most severe soldering processes.
NB 12
IEC SIZE : 0805
NB 20
IEC SIZE : 1206
Types
1
3.2 (.126) 0.4 (.016)
1.6 (.063)
0.25 (.010)
DIMENSIONS:
millimeters (inches)
0.5
...
0.5 (.020)
... 1.5 (.059)
0.
min
0.2 (.008) min
0.2 (.008) min
Terminations
Nickel Barrier
Marking
On packaging only
40/125/56
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
-55°C to +150°C
5%, 10%, 20%
0.12 W
0.24 W
4 mW/°C
7s
2 mW/°C
5 s
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
HOW TO ORDER
NB 20
K 0
0103
M
BA
Type
Material Code
K
(See tables page 13)
Resistance
10,000 Ω
Tolerance
M ( 20%)
J ( 5%)
Suffix: Packaging
– –: Bulk
BA: Plastic tape
(180mm diam. reel)
K ( 10%)
BE: Plastic tape (1/2 reel)
BC: Plastic tape
(330mm diam. reel)
BB: Cardboard tape
(180mm diam. reel)
BF: Cardboard tape (1/2 reel)
BD: Cardboard tape
(330mm diam. reel)
12
NTC SMD Thermistors
With Nickel Barrier Termination NB 12 – NB 20
TABLE OF VALUES
NB 12
NB 20
IEC SIZE : 1206
IEC SIZE : 0805
B (K)
B (K)
Rn at 25°C
(Ω)
Material
Code
␣ at 25°C
(%/°C)
Rn at 25°C
(Ω)
Material
Code
␣ at 25°C
(%/°C)
Types
Types
(1) 5%
(2) 3%
(1) 5%
(
⌬B/B
)
(
⌬B/B
)
(2) 3%
NB 12 KC 0 180
NB 12 KC 0 220
NB 12 KC 0 270
NB 12 KC 0 330
NB 12 KC 0 390
NB 12 KC 0 470
NB 12 KC 0 560
NB 12 KC 0 680
NB 12 KC 0 820
NB 12 KC 0 101
18
22
27
33
39
47
56
68
82
100
NB 20 MC 0 221
NB 20 MC 0 102
220
1,000
MC
MC
3910 3%
3910 3%
– 4.4
– 4.4
NB 20 J 0 0472
NB 20 J 0 0562
NB 20 J 0 0682
4,700
5,600
6,800
J
3480 3%
– 3.9
KC
3470 5%
– 3.9
NB 20 J 5 0822
8,200
J5
K
3480 3%
3630 3%
– 3.9
– 4.0
NB 20 K 0 0103
NB 20 K 0 0123
10,000
12,000
NB 20 L 0 0153
NB 20 L 0 0183
NB 20 L 0 0223
15,000
18,000
22,000
NB 12 MC 0 121
NB 12 MC 0 151
NB 12 MC 0 181
NB 12 MC 0 221
NB 12 MC 0 271
NB 12 MC 0 331
NB 12 MC 0 391
NB 12 MC 0 471
NB 12 MC 0 561
NB 12 MC 0 681
NB 12 MC 0 821
NB 12 MC 0 102
NB 12 MC 0 122
NB 12 MC 0 152
NB 12 MC 0 182
NB 12 MC 0 222
NB 12 MC 0 272
NB 12 MC 0 332
120
150
180
220
270
330
390
470
560
L
3790 3%
3950 3%
– 4.2
– 4.4
NB 20 M 0 0273
NB 20 M 0 0333
NB 20 M 0 0393
NB 20 M 0 0473
27,000
33,000
39,000
47,000
M
NB 20 N 0 0563
NB 20 N 0 0683
NB 20 N 0 0823
56,000
68,000
82,000
MC
3910 3%
– 4.4
N
4080 3%
4160 3%
– 4.6
– 4.7
680
820
NB 20 N 5 0104
100,000
N5
1,000
1,200
1,500
1,800
2,200
2,700
3,300
NB 20 P 0 0124
NB 20 P 0 0154
NB 20 P 0 0184
NB 20 P 0 0224
120,000
150,000
180,000
220,000
P
Q
R
4220 3%
4300 3%
4400 3%
– 4.7
– 4.7
– 4.8
NB 20 Q 0 0274
NB 20 Q 0 0334
NB 20 Q 0 0394
NB 20 Q 0 0474
NB 20 Q 0 0564
270,000
330,000
390,000
470,000
560,000
NB 12 J 0 0332
NB 12 J 0 0392
NB 12 J 0 0472
NB 12 J 0 0562
3,300
3,900
4,700
5,600
J
3480 3%
– 3.9
NB 20 R 0 0684
NB 20 R 0 0824
NB 20 R 0 0105
680,000
820,000
1,000,000
NB 12 K 0 0682
NB 12 K 0 0822
NB 12 K 0 0103
6,800
8,200
10,000
K
L
3630 3%
3790 3%
3950 3%
– 4.0
– 4.2
– 4.4
NB 12 L 0 0123
NB 12 L 0 0153
12,000
15,000
NB 12 M 0 0183
NB 12 M 0 0223
NB 12 M 0 0273
NB 12 M 0 0333
18,000
22,000
27,000
33,000
M
NB 12 N 0 0393
NB 12 N 0 0473
NB 12 N 0 0563
39,000
47,000
56,000
N
4080 3%
– 4.6
NB 12 L 2 0683
68,000
L2
3805 3%
4160 3%
– 4.1
– 4.7
NB 12 N 5 0683
NB 12 N 5 0823
68,000
82,000
N5
NB 12 P 0 0104
NB 12 SC 0104
100,000
100,000
P
4220 3%
4500 3%
– 4.7
– 4.8
SC
NB 12 P 0 0124
NB 12 P 0 0154
NB 12 P 0 0184
120,000
150,000
180,000
P
4220 3%
– 4.7
NB 12 Q 0 0224
NB 12 Q 0 0274
220,000
270,000
Q
R
4300 3%
4400 3%
– 4.7
– 4.8
NB 12 R 0 0105 1,000,000
13
NTC SMD Thermistors
With Nickel Barrier Termination NB 21
Chip thermistors are high quality and low cost devices
especially developed for surface mounting applications. They
are widely used for temperature compensation but can also
achieve temperature control of printed circuits.
A nickel barrier metallization provides outstanding qualities of
solderability and enables this chip to meet the requirements
of the most severe soldering processes.
NB 21
IEC SIZE : 0603
Types
1.6 (.063) 0.2 (.008)
0.8 (.031)
DIMENSIONS:
0.2 (.008)
millimeters (inches)
0.8 (.031)
0.2 (.008)
0.2 (.008) min
0.2 (.008) min
Terminations
Marking
Nickel Barrier
On packaging only
40/125/56
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
-55°C to +150°C
5%, 10%, 20%
0.07 W
1 mW/°C
4 s
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
HOW TO ORDER
NB 21
K 0
0103
M
BB
Type
Material Code
K
(See tables page 15)
Resistance
10,000 Ω
Tolerance
M ( 20%)
J ( 5%)
Suffix: Packaging
– –: Bulk
BB: Cardboard tape
(180mm diam. reel)
K ( 10%)
BF: Cardboard tape (1/2 reel)
BD: Cardboard tape
(330mm diam. reel)
14
NTC SMD Thermistors
With Nickel Barrier Termination NB 21
TABLE OF VALUES
NB 21
IEC SIZE : 0603
B (K)
Rn at 25°C
(Ω)
Material
Code
␣ at 25°C
(%/°C)
Types
(1) 5%
(
⌬B/B
)
(2) 3%
NB 21 KC 0 470
NB 21 KC 0 101
NB 21 KC 0 471
47
100
470
KC
3470 5%
– 3.9
NB 21 MC 0 102
NB 21 J 0 0472
1,000
4,700
MC
J
3910 3%
3480 3%
– 4.4
– 3.9
NB 21 J 5 0682
NB 21 J 5 0103
6,800
10,000
3480 3%
3480 3%
– 3.9
– 3.9
J5
NB 21 K 0 0103
NB 21 K 0 0153
10,000
15,000
K
L
3630 3%
3790 3%
3950 3%
– 4.0
– 4.2
– 4.4
NB 21 L 0 0223
22,000
NB 21 M 0 0333
NB 21 M 0 0473
33,000
47,000
M
NB 21 L 2 0683
NB 21 N 0 0683
NB 21 N 5 0104
NB 21 P 0 0154
68,000
68,000
L2
N
3805 3%
4080 3%
4160 3%
4220 3%
– 4.1
– 4.6
– 4.7
– 4.7
100,000
150,000
N5
P
NB 21 Q 0 0334
NB 21 Q 0 0474
330,000
470,000
Q
4300 3%
– 4.7
15
Packaging for Automatic Insertion
NTC Chip Thermistors / NC/NB Series
AUTOMATIC INSERTION
+0.2 (.008)
-0
Cover Tape
Max
Hole
л1 (.039)
A1
Super 8 Plastic Tape Packaging:
3°
The mechanical and dimensional reel characteristics are in
5.5 (.217)
0.2 (.008)
B1
B0
W
F
accordance with the IEC publication 286-3.
Max
3°
D0
P2
E
P0
30μ 5μ
T
K
Direction of
unreeling
Max
Max
3°
3°
A0
Designation
Tape width
Tape thickness
Pitch of the sprocket holes
Diameter of the sprocket holes
Symbol
Value
Tolerance
W
T
P0
D0
8
0.4 max.
4
0.2
0.1
0.1
1.5
-0
Distance
Distance (center to center)
Distance (center to center)
Sizes of the
cavities
E
F
P2
A0
B0
K
1.75
3.5
2
1.5
2.4
0.1
0.05
0.1
0.1
0.1
NC 12 (0805)
NC 20 (1206)
1.4 max.
K 0.1
(size is adjustable)
(K = t1 +0.2)
A0
B0
K
1.95
3.55
1.5 max.
0.1
0.1
K 0.1
(size is adjustable)
(K = t1 +0.2)
+ 0
- 2 (.079)
ø180 (7.09)
+ 0.15 (.006)
- 0
ø 12.75 (.502)
Reel
Upper side
Bottom side
Reel
according to
ISO/DIS 3639-2
8.4 (.331)
+0.15 (.006)
14.4 (.567)
max.
+ 0.5 (.020)
- 0
ø 20.5 (.087)
QUANTITY PER REEL
Type
NC - NB 12
Suffix
BA
Qty Per Reel
4000
BE
2000
NC 20 - NB 20
BA
3000
BE
1500
16
Packaging for Automatic Insertion
NTC Chip Thermistors / NC/NB Series
AUTOMATIC INSERTION
10 PITCHES CUMULATIVE
TOLERANCE ON TAPE
0.20mm (0.008)
P0
8mm Paper Tape Packaging:
D0
P2
The mechanical and dimensional reel characteristics
are in accordance with the IEC publication 286-3.
T
E1
BOTTOM
COVER
TAPE
TOP
COVER
TAPE
F
W
E2
B0
G
T1
T1
A0
P1
CAVITY SIZE
SEE NOTE 1
CENTER LINES
OF CAVITY
User Direction of Feed
Designation
Symbol
Value
Tolerance
Tape width
Tape thickness
Pitch of the sprocket holes
Diameter of the sprocket holes
W
T
8
1.1 max.
4
-.0.1/+0.3
P
0
0.1
0.1
1.5
D
0
-0/+0.1
1.75
3.5
Distance
E
1
0.1
0.05
0.05
Distance (center to center)
Distance (center to center)
Cover tape thickness
Distance
F
P
2
2
T
1
0.10 max.
6.25 min.
E
2
Distance
G
0.75 min.
Component pitch
0805/0603
0402
4
2
0.1
0.1
P1
+ 0
- 2 (.079)
ø180 (7.09)
+ 0.15 (.006)
- 0
ø 12.75 (.502)
Reel
Upper side
Bottom side
Reel
according to
ISO/DIS 3639-2
8.4 (.331)
+0.15 (.006)
14.4 (.567)
max.
+ 0.5 (.020)
- 0
ø 20.5 (.087)
QUANTITY PER REEL
Type
NB - NC 12
NB 21
Suffix
BB
BF
Qty Per Reel
4000
2000
17
Surface Mounting Guide
Chip Thermistor – Application Notes
Wave
STORAGE
Good solderability is maintained for at least twelve months,
provided the components are stored in their “as received”
packaging at less than 40°C and 70% RH.
300
Preheat
Natural
Cooling
250
200
150
100
50
T
SOLDERABILITY / LEACHING
Terminations to be well soldered after immersion in a 60/40
tin/lead solder bath at 235 5°C for 2 1 seconds.
230ºC
to
250ºC
Terminations will resist leaching for at least the immersion
times and conditions recommendations shown below.
0
P/N
Termination
Type
AgPdPt
Solder
Tin/Lead
60/40
Solder
Temp ºC
Immersion
Time Seconds
15 max
1 to 2 min
3 sec. max
NC
NB
260
260
5
5
(Preheat chips before soldering)
T/maximum 150°C
Nickel Barrier
60/40
30
1
a) The visual standards used for evaluation of solder joints
will need to be modified as lead free joints are not as bright
as with tin-lead pastes and the fillet may not be as large.
NB products are compatible with a wide range of soldering
conditions consistent with good manufacturing practice for
surface mount components. This includes Pb free reflow
processes with peak temperatures up to 270ºC.
Recommended profiles for reflow and wave soldering are
shown below for reference.
b) Resin color may darken slightly due to the increase in
temperature required for the new pastes.
c) Lead-free solder pastes do not allow the same self align-
ment as lead containing systems. Standard mounting
pads are acceptable, but machine set up may need to be
modified.
NC products are recommended for lead soldering application
or gluing techniques.
Reflow
D2
300
Natural
Cooling
Preheat
RECOMMENDED
D1
D3
D4
SOLDERING PAD
LAYOUT
250
200
150
100
50
Dimensions in
mm (inches)
220ºC
to
D5
250ºC
REFLOW SOLDERING
Case
Size
P/N
D1
D2
D3
0.50
D4
D5
1.70
(.067)
2.30
(.091)
3.00
(.118)
4.00
(.157)
0.60
(.024)
0.80
(.031)
1.00
(.039)
1.00
(.039)
0.60
(.024)
0.80
0.50
(.020)
0.75
0
0402
NB23
NB21
NB12
NB20
(.020)
0.70
(.028)
1.00
(.039)
2.00
(.079)
1min
10 sec. max
1min
0603
0805
1206
(0.31)
1.00
(.030)
1.25
(Minimize soldering time)
(.039)
1.00
(.039)
(.049)
2.50
(.098)
300
250
200
150
100
WAVE SOLDERING
Case
Size
P/N
D1
D2
D3
D4
D5
50
0
3.10
(.122)
4.00
(.157)
5.00
1.20
(.047)
1.50
(.059)
1.50
0.70
(.028)
1.00
(.039)
2.00
1.20
(.047)
1.50
(.059)
1.50
0.75
(.030)
1.25
(.049)
1.60
0603
NB21
NB12
NB20
0
50
100
150
200
250
300
Time (ꢂ)
0805
1206
• Pre-heating: 150°C 15°C ꢀ 60-ꢁ0ꢂ
• Max. Peak Gradient: 2.5°Cꢀꢂ
• Peak Temperature: 245°C 5°C
• Time at >230°C: 40ꢂ Max.
(.197)
(.059)
(.079)
(.059)
(.063)
18
NTC Accurate Thermistors
NJ 28 – NI 24 – NK 20
High precision resistance and an outstanding ability to
reproduce the sensibility index B, make these ranges of
products the types of thermistors ideal for temperature
measurement applications.
Leaded or unleaded, these small size and rapid response
time thermistors are able to meet the most accurate
requirements.
Types
NJ 28
NP 30
NI 24
NK 20
Finish
Coated chip with phenolic
resin + varnish
+ tinned copper wires
Coated chip with epoxy
AWG30 insulated leads
+ Silver plated nickel wires
Chip
Coated chip with epoxy
3.0 (.118) max 3.0 (.118) max
2.4 (.0ꢁ4) max 2.4 (.0ꢁ4) max
2.8 (.110) max 2.8 (.110) max
DIMENSIONS:
millimeters (inches)
+10 %
- 15%
+10%
-15%
0.57 (.022) +7%
-7%
0.4 (.016)
0.4 (.016)
1.75 (.069) 0.25 (0.10)
Marking
On packaging only
-55°C to +150°C
1%, 2%, 3%
0.16 W
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor*
Thermal time constant
Response time
3 mW/°C
3 mW/°C
2 mW/°C
6 s
8 s
8 s
< 2 s
TABLE OF VALUES
Types
Rn at 25°C (Ω)
2,000
Material Code
B (K)
␣ at 25°C (%/°C)
– 4.1
N_ _ _ KA 0202
N_ _ _ MA 0302
N_ _ _ MA 0502
N_ _ _ MA 0103
N_ _ _ NA 0103
N_ _ _ PA 0203
N_ _ _ QA 0503
N_ _ _ RA 0104
KA
MA
MA
MA
NA
PA
3625 1%
3960 0.5%
3960 0.5%
3960 0.5%
4100 1%
4235 1%
4250 1%
4380 1%
3,000
– 4.5
5,000
– 4.5
10,000
10,000
20,000
50,000
100,000
– 4.5
– 4.6
– 4.8
QA
RA
– 4.8
– 4.9
* – = Add type as outlined above (Example NJ 2 8).
Resistance - Temperature characteristics: pages 29 to 33.
HOW TO ORDER
NJ28
MA
0502
F--
Type
Material Code
MA
Resistance
Tolerance
F ( 1%)
5 kΩ
(See table above)
19
NTC Thermistors Manufacturing Process
NJ 28 – NI 24 – NK 20
20
NTC Disc Thermistors
ND 03/06/09 • NE 03/06/09 • NV 06/09
APPLICATIONS
• Commodity Product: 2 families
ND or NE : general purpose
NV : professional
• Alarm and temperature measurement application
• Temperature regulation application
• Level detection application
• Compensation application
TECHNOLOGY
• ND: epoxy-phenolic resin coating
NE: epoxy resin coating (recommended for severe
mounting conditions)
NV: epoxy varnish coating
• Leads: Radial copper wire tinned
• Marking: on package only for ND03 & NE03
ND/NE 06/09:Nominal resistance and tolerance for
5%, 10%
NV06/09:
Nominal resistance and tolerance
• Delivery Mode: Bulk, reeled or ammopacked
Leaded Discs
N.03
N.06
N.09
PERFORMANCE CHARACTERISTICS
General purpose
Professional
Types
ND03 or NE03
ND06 or NE06
ND09 or NE09
NV06
NV09
Climatic category
55/125/56-434
–55 to +150°C
2%, 5%, 10%
55/125/56-434
–55 to +150°C
2%, 5%, 10%
Operating Temperature
–55 to +150°C
–55 to +150°C
–55 to +150°C
Tolerance on Rn
(25°C)
330Ω to 1MΩ :
5, 10, 20%
1500Ω to 150 kΩ :
3%
5%, 10%, 20%
5%, 10%, 20%
Maximum dissipation
at 25°C
0.25 W
0.71 W
0.9 W
0.69 W
0.85 W
Thermal dissipation
factor
5 mW/°C
10 s
7.1 mW/°C
22 s
9 mW/°C
30 s
6.9 mW/°C
18 s
8.5 mW/°C
30 s
Thermal time constant
Response time
< 3s
STANDARDIZATION
OPTIONS
NV range : approved by NFC 93271
Consult factory for availability of options:
• other nominal resistance values
• other tolerances
Type: TN115 A for NV06
TN116 for NV09
List: GAM-T1
List: LNZ
• alternative lead materials or lengths
• controlled dimensions
21
NTC Disc Thermistors
ND/NE 03
TABLE OF VALUES
ND03/NE03 TYPE
ND03/NE03
3.5 (.138) max
3 (.118) max
+10%
-0.05
ø 0.5 (.020)
2.54 (0.1)
B (K)
Part Number
N_03I00331
Rn at 25°C (Ω)
Material Code
␣ at 25°C (%/°C)
(1) 5%
ΔB/B
(
)
(2) 3%
330
470
I
3250 (1)
3480 (2)
– 3.7
– 3.9
N_03I00471
N_03J00681
N_03J00102
680
1,000
J
N_03K00152
N_03K00222
1,500
2,200
K
L
3630 (2)
3790 (2)
– 4.0
– 4.2
N_03L00272
N_03L00332
2,700
3,300
N_03M00472
N_03M00682
4,700
6,800
M
N
P
3950 (2)
4080 (2)
4220 (2)
4300 (2)
– 4.4
– 4.6
– 4.7
– 4.7
N_03N00103
N_03N00153
10,000
15,000
N_03P00223
N_03P00333
22,000
33,000
N_03Q00473
N_03Q00683
47,000
68,000
Q
N_03R00104
N_03R00154
100,000
150,000
R
S
T
4400 (2)
4520 (2)
4630 (2)
4840 (2)
– 4.8
– 5.0
– 5.1
– 5.3
N_03S00224
220,000
N_03T00334
N_03T00474
330,000
470,000
N_03U00105
1,000,000
U
22
NTC Disc Thermistors
ND/NE/NV 06
TABLE OF VALUES
ND06/NE06/NV06
ND06/NE06
NV06
4 (.157) max
6.3 (.248) max
6.3 (.248) max
3.5 (.138) max
+10%
-0.05
+10%
-0.05
ø 0.6 (.024)
ø 0.6 (.024)
5.08 (0.2)᭡
5.08 (0.2) ᭡
B (K)
Part Number
Rn at 25°C (Ω)
Material Code
␣ at 25°C (%/°C)
5%
ΔB/B (1)
(
)
(2) 3%
N_06J00151
N_06J00221
150
220
J
3480 (2)
– 3.9
– 4.0
N_06K00331
N_06K00471
330
470
K
3630 (2)
N_06L00681
N_06L00102
680
1,000
L
M
N
3790 (2)
3950 (2)
4080 (2)
– 4.2
– 4.4
– 4.6
N_06M00152
1,500
N_06N00222
N_06N00332
2,200
3,300
N_06P00472
N_06P00682
N_06P00103
4,700
6,800
10,000
P
4220 (2)
– 4.7
N_06Q00153
N_06Q00223
15,000
22,000
Q
R
S
T
4300 (2)
4400 (2)
4520 (2)
4630 (2)
– 4.7
– 4.8
– 5.0
– 5.1
N_06R00333
33,000
N_06S00473
N_06S00683
47,000
68,000
N_06T00104
100,000
N_06U00154
N_06U00224
N_06U00334
150,000
220,000
330,000
U
4840 (2)
– 5.3
For other resistance values, please consult us.
23
NTC Disc Thermistors
ND/NE/NV 09
TABLE OF VALUES
ND09/NE09/NV09
ND09/NE09
NV09
ꢁ.5 (.374) max
ꢁ.5 (.375) max
5 (.1ꢁ7) max
3.5 (.138) max
+10%
-0.05
+10%
-0.05
ø 0.6 (.024)
ø 0.6 (.024)
5.08 (.02)
5.08 (.02)
B (K)
Part Number
Rn at 25°C (Ω)
Material Code
␣ at 25°C (%/°C)
5%
ΔB/B (1)
(
)
(2) 3%
N_09J00680
N_09J00101
68
100
J
3480 (2)
– 3.9
N_09K00151
N_09K00221
150
220
K
L
3630 (2)
3790 (2)
3950 (2)
– 4.0
– 4.2
– 4.4
N_09L00331
330
N_09M00471
N_09M00681
470
680
M
N_09N00102
N_09N00152
1,000
1,500
N
P
4080 (2)
4220 (2)
– 4.6
– 4.7
N_09P00222
N_09P00332
2,200
3,300
N_09Q00472
N_09Q00682
4,700
6,800
Q
4300 (2)
– 4.7
N_09R00103
N_09R00153
10,000
15,000
R
S
T
4400 (2)
4520 (2)
4630 (2)
– 4.8
– 5.0
– 5.1
N_09S00223
22,000
N_09T00333
N_09T00473
33,000
47,000
N_09U00683
N_09U00104
N_09U00154
68,000
100,000
150,000
U
4840 (2)
– 5.3
24
NTC Disc Thermistors
Packaging for Automatic Insertion
– Straight leads:
PACKAGING AND KINK SUFFIXES
H represents the distance between the sprocket holes axis
and the bottom plane of component body (base of resin or
base of stand off).
Tables below indicate the suffixes to specify when ordering to
get the required kink and packaging. For devices on tape, it
is necessary to specify the height (H or Ho) which is the
distance between the tape axis (sprocket holes axis) and
the seating plane on the printed circuit board. The following
types can be ordered on tape either in AMMOPACK
(fan folder) or on REEL in accordance with IEC 286-2.
– Kinked leads and flat leads:
Ho represents the distance between the sprocket holes
axis and the base on the knee (kinked leads) or the bottom
of the flat part (flat leads).
• Reel & Ammopack
millimeters (inches)
Types
ND/NE
Suffix
H or Ho
16 0.5
(0.630 0.020)
16 0.5
(0.630 0.020)
Leads Quantity/Size Packaging
NTC
CA
Straight
Straight
Straight
3000
3000
3000
AMMOPACK
03
&
NJ28
H
CB
CC
REEL
Type
19.5 0.5
(0.768 0.020)
AMMOPACK
ND03
NE03
NJ28
19.5 0.5
(0.768 0.020)
16 0.5
(0.630 0.020)
16 0.5
(0.630 0.020)
19.5 0.5
(0.768 0.020)
19.5 0.5
(0.768 0.020)
16 0.5
(0.630 0.020)
16 0.5)
(0.630 0.020)
19.5 0.5
(0.768 0.020)
19.5 0.5
CD
DA
DB
DC
DD
DL
Straight
Straight
Straight
Straight
Straight
Kinked
Kinked
Kinked
Kinked
3000
1500
1500
1500
1500
1500
1500
1500
1500
REEL
AMMOPACK
REEL
ND/NE/NV
06/09
2.54 (0.10)
AMMOPACK
REEL
NTC
H
Ho
AMMOPACK
REEL
Types
ND/NE/NV
06/09
DM
DN
DP
AMMOPACK
REEL
(0.768 0.020)
5.08 (0.20)
• Bulk
Type
ND/NE03
ND/NE06
ND/NE09
NV06
Quantity/box
3000
1500
1500
100
NV09
100
NI24
NJ28
NK20
1000
HOW TO ORDER
ND06
P0
0103
K
– –
Type
Material Code
Resistance
Tolerance
K ( 10%)
Packaging
P
10 kΩ
Bulk
25
Automatic Insertion
NTC Disc Thermistors
TAPING CHARACTERISTICS
Missing components
A maximum of 3 consecutive components may be missing
from the bandolier, surrounded by at least 6 filled positions.
The number of missing components may not exceed 0.5%
of the total per packing module.
The beginning and the end of tape exhibit 8 or 9 blank
positions.
DIMENSIONS: millimeters (inches)
REEL
AMMOPACK
30 (1.18)
Interlayer
Paper
H
л 8 (.315)
L
42 (1.66)
Inside
I
48(1.99)
Outside
л 31 (1.22)
л 360 (14.2)
L
I
H
330 (13.0) 46 (1.81)
290 (11.4)
P
p
p
h
h
Marking on
this side
Reference plane
P1
H1 W2
H1
E
H
H0
A
B
W1
W0
W
Adhesive
tape
I2
Direction of unreeling
t
d
Cross section
A - B
D0
P0
E
Value
12.7
254
Tolerance
Dimensions Characteristics
Sprocket holes pitch
Distance between 21 consecutive holes
20 pitches
Value
Tolerance
+1 / -0.5
0.3
Dimensions Characteristics
Leading tape width
0.2
1
P0
–
18
W
6
9
W0
W1
W2
Adhesive tape width
+0.75 / -0.5
Sprocket hole position
0.7
0.2
+0.6
-0.1
t
Total thickness of tape
3 max.
Distance between the top of the tape and
the adhesive
E
Lead spacing
2.54 5.08
4
0.2
0.5
D0
H0
Diameter of sprocket hole
Distance between the sprocket hole axis
and the lead axis
Spacing of components
Lead diameter
Verticality of components
Alignment of components
5.08 3.85
12.7
0.7
P1
16/19.5
Distance between the tape axis and the
seating plane of the component
1.0
5%
1.3
2
P
d
3P
3h
0.5
0.6
H1
Distance between the tape axis and the top
of component body
0
0
26
NTC Leadless Disc Thermistors
This type of product is widely used in automotive and
consumer applications.
The metallization covers completely the surfaces of the
thermistor.
They are assembled in custom-probes for sensing the
temperature of liquids (water, oil, ...), gases or surface of any
other component.
The particularly flat and smooth surfaces ensure an excellent
electrical and thermal contact under pressure.
Types
NR
Metallization
Physical data (dim. in mm)
D
E
Marking
On package only / On parts upon request
-40°C to +200°C
Operating temperature
Custom - designed products defined with:
Values and tolerances
D
E
ΔD R1 ΔR1/R1 at T1
ΔE R2 ΔR2/R2 at T2, . . .
DESIGN OF THE THERMISTOR
Choice of the resistances
Choice of the tolerances
If the application is to measure the temperature around a
defined point, a unique nominal resistance can be chosen
(for example, among standard values of the ND range prod-
ucts presented on pages 20 to 24).
The precision of the temperature measurement determines
the calculation of the tolerance on the resistance:
⌬R/R = ␣ (%/°C). ⌬T (°C)
For example, the NTC NR55--3049-99, using “N5” material
(R (T) characteristic displayed on page 31), requires a preci-
sion of 1°C over the temperature range 110°C - 120°C.
When it is required to measure the temperature over selected
ranges T1 –T2 , T2 –T3 , ..., the corresponding resistance
R1 , R2 , R3 , ..., must be such that they can be located
on the R (T) characteristic of an existing NTC material
(for example among standard materials whose R (T) are
displayed on pages 29 to 33).
The tolerances can be calculated:
⌬R110°C /R110°C = 1°C* 2.91%/°C = 2.91%
⌬R120°C /R120°C = 1°C* 2.76%/°C = 2.76%
*For your specific requirements, please consult us.
The resistances must also be compatible with the resistivity
of the material and the dimensions of the thermistor.
HOW TO ORDER
NR55 - - 3002 - 99
Type
P/N Code
27
NTC Leadless Disc Thermistors
We present below some examples of our custom - designed
products as an illustration of the different ways to define
products.
DIMENSIONS: millimeters (inches)
Material
Code
B
(k)
R
⌬R
1
T
R
⌬R
2
T
R
⌬R
3
T
3
(°C)
1
1
1
2
2
2
3
3
Types
D
E
at T
(°C)
at T
(°C)
at T
NR 55 -- 3002 - 99
NR 67 -- 3068 - 99
NR 55 -- 3049 - 99
NR 55 -- 3046 - 99
NR 49 -- 3119 - 99
NR 55 -- 3114 - 99
NR 70 -- 3121 - 99
NR 29 -- 3107 - 99
NR 55 -- 3122 - 99
NR 55 -- 3126 - 99
NR 47 -- 3116 - 99
NR 49 -- 3113 - 99
NR 47 -- 3101 - 99
NR 55 -- 3071 - 99
NR 61 -- 3063 - 99
NR 67 -- 3053 - 99
NR 50 -- 3048 - 99
NR 60 -- 3021 - 99
NR 55 -- 3016 - 99
5.5 (.217) 0.5 (.020)
6.7 (.264) 0.5 (.020)
5.5 (.217) 0.5 (.020)
5.5 (.217) 0.5 (.020)
4.9 (.193) 0.3 (.012)
5.5 (.217) 0.4 (.016)
7.0 (.275) 0.3 (.012)
2.9 (.014) 0.3 (.012)
5.5 (.217) 0.5 (.020)
5.5 (.217) 0.5 (.020)
4.7 (.185) 0.4 (.016)
4.9 (.193) 0.3 (.012)
4.6 (.181) 0.3 (.012)
5.8 (.228) 0.3 (.012)
6.1 (.240) 0.3 (.012)
6.7 (.264) 0.4 (.016)
5.0 (.197) 0.5 (.020)
6.0 (.236) 0.5 (.020)
5.5 (.217) 0.5 (.020)
1.1 (.043) 0.4 (.016)
1.7 (.067) 0.3 (.012)
1.0 (.040) 0.2 (.008)
1.3 (.051) 0.4 (.016)
1.5 (.060) 0.4 (.016)
1.0 (.040) 0.2 (.008)
1.2 (.047) 0.2 (.008)
1.7 (.067) 0.3 (.012)
1.5 (.060) 0.4 (.016)
1.0 (.040) 0.2 (.008)
1.2 (.047) 0.2 (.008)
1.2 (.047) 0.2 (.008)
1.4 (.055) 0.3 (.012)
1.0 (.040) 0.2 (.008)
1.5 (.060) 0.3 (.012)
1.7 (.067) 0.3 (.012)
1.5 (.060) 0.5 (.020)
3.2 (.125) 0.3 (.012)
1.1 (.043) 0.4 (.016)
N5
N
N5
S
4160 1230 Ω 7.5% 40
4080 150 Ω 3.3% 100
4160 107 Ω 2.9% 110
4520 48600 Ω 7.5% 25
160 Ω 5%
96.5
–
–
–
–
–
–
–
51 Ω 5.3% 140
80.6 Ω 2.8% 120
–
–
–
–
–
3210 Ω 5%
84 Ω 5%
–
90
104.4
–
M
P
3950 840 Ω 10%
4220 5000 Ω 10%
3790 210 Ω 10%
3630 2050 Ω 6%
37.8
25
40
25
25
25
25
40
40
40
50
60
25
40
40
L
40 Ω 7.5%
193 Ω 5.4%
–
90
30 Ω 6.7% 100
K
J
96.5
–
–
–
–
3480
210 Ω 5%
–
P
4220 3340 Ω 10%
4400 33000 Ω 2%
4080 1680 Ω 10%
3480 146 Ω 13%
3790 262 Ω 8.7%
4080 760 Ω 9.2%
4080 540 Ω 11%
3480 233 Ω 10%
4220 3640 Ω 3%
4300 5500 Ω 9%
264 Ω 7%
–
90
107 Ω 7%
120
–
R
N
J
–
–
382 Ω 6.7%
22 Ω 10%
120 Ω 10%
80
176 Ω 5%
105
–
100
–
L
60 35.5 Ω 7.8% 100
N
N
J
130 Ω 8.5% 100 56.6 Ω 8.5% 130
144 Ω 7%
100
–
–
–
–
–
–
–
–
13.3 Ω 7% 121
P
457 Ω 3%
96.5
96.5
Q
650 Ω 7.7%
Resistance - Temperature characteristics: pages 29 to 33.
28
Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
I 3250
TF (%)
J-J5 3480
TF (%)
K 3630
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
42.35
31.48
23.63
17.91
21.9
20.0
18.1
16.3
- 5.98
- 5.78
- 5.59
- 5.41
51.74
37.97
28.15
21.07
20.5
17.7
15.2
13.0
- 6.43
- 6.21
- 6.01
- 5.81
56.26
41.21
30.47
22.73
21.4
18.5
15.9
13.6
- 6.46
- 6.26
- 6.06
- 5.88
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
13.70
10.58
8.232
6.460
14.6
13.1
11.6
10.1
- 5.23
- 5.06
- 4.90
- 4.74
15.91
12.13
9.320
7.221
11.0
- 5.62
- 5.44
- 5.26
- 5.10
17.11
12.98
9.930
7.654
11.5
- 5.70
- 5.53
- 5.36
- 5.21
- 35
- 30
- 25
- 20
9.3
9.7
7.8
6.4
8.1
6.7
- 15
- 10
- 5
0
5.110
4.072
3.268
2.641
8.8
7.5
6.3
5.1
- 4.59
- 4.45
- 4.31
- 4.18
5.640
4.438
3.517
2.807
5.2
4.2
3.3
2.5
- 4.94
- 4.78
- 4.64
- 4.50
5.945
4.650
3.663
2.905
5.4
4.4
3.4
2.6
- 5.05
- 4.91
- 4.76
- 4.63
- 15
- 10
- 5
0
5
10
15
20
2.148
1.759
1.449
1.200
4.0
2.9
1.9
0.9
- 4.05
- 3.92
- 3.81
- 3.69
2.255
1.824
1.484
1.215
1.8
1.2
0.7
0.3
- 4.36
- 4.23
- 4.10
- 3.98
2.319
1.862
1.505
1.223
1.9
1.3
0.8
0.3
- 4.50
- 4.37
- 4.25
- 4.13
5
10
15
20
25
30
35
40
1.000
.8377
.7054
.5969
0.0
0.9
1.8
2.6
- 3.58
- 3.48
- 3.38
- 3.28
1.0000
.8278
.6889
.5763
0.0
0.3
0.7
1.1
- 3.87
- 3.76
- 3.65
- 3.55
1.0000
.8219
.6792
.5641
0.0
0.3
0.7
1.1
- 4.01
- 3.90
- 3.80
- 3.69
25
30
35
40
45
50
55
60
.5076
.4336
.3720
.3206
3.5
4.3
5.1
5.9
- 3.19
- 3.10
- 3.01
- 2.93
.4845
.4092
.3473
.2960
1.5
2.0
2.5
3.0
- 3.45
- 3.35
- 3.26
- 3.17
.4708
.3949
.3327
.2816
1.6
2.1
2.6
3.1
- 3.59
- 3.50
- 3.41
- 3.32
45
50
55
60
65
70
75
80
.2774
.2410
.2102
.1839
6.6
7.4
8.1
8.8
- 2.85
- 2.77
- 2.70
- 2.63
.2534
.2178
.1879
.1628
3.5
4.1
4.7
5.3
- 3.09
- 3.01
- 2.93
- 2.85
.2393
.2043
.1751
.1507
3.7
4.3
4.9
5.5
- 3.23
- 3.14
- 3.06
- 2.99
65
70
75
80
85
.1616
.1424
.1259
.1117
9.5
10.2
10.9
11.5
- 2.56
- 2.49
- 2.43
- 2.36
.1415
.1235
.1081
.09500
5.9
6.5
7.1
7.7
- 2.78
- 2.70
- 2.64
- 2.57
.1301
6.1
6.8
7.4
8.1
- 2.91
- 2.84
- 2.77
- 2.70
85
90
.1128
90
95
100
.09812
.08565
95
100
105
110
115
120
.09938
.08869
.07938
.07124
12.2
12.8
13.4
14.0
- 2.30
- 2.25
- 2.19
- 2.14
.08373
.07403
.06565
.05838
8.4
- 2.50
- 2.44
- 2.38
- 2.33
.07502
.06592
.05810
.05137
8.7
- 2.63
- 2.57
- 2.50
- 2.44
105
110
115
120
9.0
9.4
9.7
10.3
10.1
10.8
125
130
135
140
.06410
.05783
.05230
.04741
14.6
15.2
15.7
16.3
- 2.08
- 2.03
- 1.98
- 1.94
.05207
.04567
.04175
.03753
11.0
11.6
12.3
13.0
- 2.27
- 2.22
- 2.16
- 2.11
.04555
.04050
.03611
.03229
11.5
12.2
12.8
13.5
- 2.39
- 2.33
- 2.27
- 2.22
125
130
135
140
145
150
.04308
.03924
16.8
17.4
- 1.89
- 1.85
.03382
.03055
13.6
14.3
- 2.06
- 2.02
.02894
.02600
14.2
14.9
- 2.17
- 2.12
145
150
Material code B (K)
KC 3470
T
(°C)
KA 3625
TF (%)
L 3790
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
TF (%)
α (%/°C)
R (T) / R25
α (%/°C)
-55
-50
-45
-40
61.21
44.24
32.33
23.88
7.1
6.1
5.3
4.5
- 6.77
- 6.53
- 6.30
- 6.08
60.08
43.19
31.42
23.13
34.0
29.4
25.3
21.6
- 7.00
- 6.71
- 6.44
- 6.18
82.52
58.01
41.30
29.75
22.3
19.3
16.6
14.2
- 7.38
- 7.11
- 6.84
- 6.60
-55
-50
-45
-40
-35
-30
-25
-20
17.81
13.41
10.19
7.814
3.8
3.2
2.7
2.2
- 5.88
- 5.68
- 5.49
- 5.31
17.22
12.95
9.842
7.550
18.4
15.5
12.9
10.7
- 5.94
- 5.71
- 5.49
- 5.29
21.67
15.96
11.88
8.930
12.0
10.1
8.5
- 6.36
- 6.13
- 5.92
- 5.72
-35
-30
-25
-20
7.0
-15
-10
-5
6.040
4.707
3.696
2.923
1.8
1.5
1.1
.9
- 5.14
- 4.98
- 4.83
- 4.68
5.845
4.564
3.594
2.853
8.7
6.9
5.4
4.1
- 5.10
- 4.91
- 4.74
- 4.58
6.776
5.188
4.007
3.120
5.7
4.5
3.6
2.7
- 5.32
- 5.34
- 5.16
- 4.99
-15
-10
-5
0
0
5
10
15
20
2.329
1.867
1.507
1.224
.6
.4
.3
.1
- 4.53
- 4.40
- 4.27
- 4.14
2.281
1.838
1.491
1.217
3.0
2.0
1.2
0.5
- 4.42
- 4.27
- 4.13
- 4.00
2.449
1.937
1.543
1.238
2.0
1.3
.8
- 4.83
- 4.68
- 4.53
- 4.39
5
10
15
20
.4
25
30
35
40
1.0000
.8217
.6788
.5638
0.0
- 4.02
- 3.91
- 3.80
- 3.69
1.0000
.8267
.6873
.5747
0.0
0.5
1.1
1.8
- 3.90
- 3.74
- 3.63
- 3.52
1.0000
.8129
.6648
.5409
0.0
- 4.25
- 4.12
- 4.00
- 3.88
25
30
35
40
.1
.3
.2
.4
.7
1.2
45
50
55
60
.4707
.3948
.3328
.2818
.5
- 3.59
- 3.49
- 3.40
- 3.31
.4830
.4081
.3465
.2955
2.5
3.3
4.1
5.0
- 3.41
- 3.31
- 3.21
- 3.12
.4525
.3765
.3148
.2646
1.6
2.2
2.7
3.3
- 3.77
- 3.66
- 3.55
- 3.45
45
50
55
60
.7
.9
1.0
65
70
75
80
.2396
.2046
.1754
.1510
1.2
1.4
1.6
1.8
- 3.22
- 3.14
- 3.06
- 2.98
.2532
.2179
.1883
.1634
5.9
6.8
7.8
8.7
- 3.03
- 2.94
- 2.86
- 2.78
.2235
.1896
.1616
.1383
3.8
4.5
5.1
5.7
- 3.36
- 3.26
- 3.17
- 3.09
65
70
75
80
85
.1305
2.0
2.3
2.5
2.7
- 2.90
- 2.83
- 2.76
- 2.69
.1423
9.7
10.8
11.8
12.9
- 2.71
- 2.63
- 2.56
- 2.50
.1189
6.4
7.1
7.7
8.4
- 3.00
- 2.92
- 2.85
- 2.77
85
90
.1131
.12441
.10915
.09608
.1026
90
95
100
.09846
.08597
.08889
.07729
95
100
105
110
115
120
.07531
.06618
.05834
.05158
2.9
3.1
3.4
3.6
- 2.63
- 2.56
- 2.50
- 2.44
.08486
.07519
.06683
.05957
13.9
15.0
16.1
17.2
- 2.43
- 2.37
- 2.31
- 2.25
.06745
.05906
.05189
.04573
9.1
- 2.70
- 2.63
- 2.57
- 2.50
105
110
115
120
9.8
10.5
11.3
125
130
135
140
.04573
.04066
.03625
.03240
3.8
4.0
4.3
4.5
- 2.39
- 2.33
- 2.28
- 2.23
.05325
.04774
.04290
.03866
18.3
19.4
20.5
21.6
- 2.20
- 2.14
- 2.09
- 2.04
.04043
.03585
.03188
.02843
12.0
12.7
13.4
14.1
- 2.44
- 2.38
- 2.33
- 2.27
125
130
135
140
145
150
.02903
.02608
4.7
5.0
- 2.18
- 2.13
.03492
.03162
22.7
23.8
- 1.99
- 1.95
.02543
.02279
14.8
15.6
- 2.22
- 2.17
145
150
29
Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
L2 3805
TF (%)
M 3950
TF (%)
MA 3960
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
62.45
45.40
33.33
24.70
22.4
19.3
16.6
14.2
- 6.4
- 6.2
- 6.0
- 5.9
99.56
68.95
48.38
34.37
23.2
20.1
17.3
14.8
- 7.71
- 7.42
- 7.15
- 6.89
104.2
71.63
49.94
35.28
3.9
3.4
2.9
2.5
- 7.89
- 7.57
- 7.28
- 7.00
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
18.47
13.92
10.58
8.110
12.1
10.2
8.5
- 5.7
- 5.5
- 5.4
- 5.2
24.71
17.96
13.20
9.803
12.5
10.6
8.8
- 6.64
- 6.41
- 6.18
- 5.97
25.25
18.28
13.39
9.917
2.1
1.8
1.5
1.2
- 6.73
- 6.48
- 6.25
- 6.02
- 35
- 30
- 25
- 20
7.0
7.3
- 15
- 10
- 5
0
6.260
4.867
3.810
3.003
5.7
4.6
3.6
2.7
- 5.1
- 4.9
- 4.8
- 4.7
7.351
5.585
4.251
3.275
5.9
4.7
3.7
2.8
- 5.77
- 5.57
- 5.39
- 5.21
7.419
5.605
4.275
3.289
1.0
- 5.81
- 5.61
- 5.42
- 5.24
- 15
- 10
- 5
0
.8
.6
.5
5
10
15
20
2.382
1.901
1.526
1.232
2.0
1.3
0.8
0.4
- 4.5
- 4.4
- 4.3
- 4.2
2.544
1.992
1.572
1.249
2.0
1.4
.8
- 5.04
- 4.88
- 4.73
- 4.58
2.552
1.997
1.574
1.250
.3
.2
.1
.1
- 5.06
- 4.90
- 4.74
- 4.59
5
10
15
20
.4
25
30
35
40
1.0000
.8161
.6694
.5518
0.0
0.3
0.7
1.2
- 4.1
- 4.0
- 3.9
- 3.8
1.0000
.8057
.6534
.5331
0.0
- 4.44
- 4.30
- 4.17
- 4.05
1.0000
.8053
.6527
.5323
0.0
- 4.45
- 4.31
- 4.18
- 4.06
25
30
35
40
.4
.1
.8
1.2
.1
.2
45
50
55
60
.4570
.3802
.3178
.2667
1.7
2.2
2.7
3.3
- 3.7
- 3.6
- 3.5
- 3.5
.4376
.3612
.2998
.2501
1.7
2.2
2.8
3.4
- 3.93
-3.81
- 3.71
- 3.60
.4367
.3604
.2990
.2493
.3
.4
.5
.6
- 3.94
- 3.82
- 3.71
- 3.61
45
50
55
60
65
70
75
80
.2248
.1902
.1615
.1377
3.9
4.5
5.1
5.8
- 3.4
- 3.3
- 3.2
- 3.1
.2097
.1767
.1496
.1272
4.0
4.6
5.3
6.0
- 3.50
- 3.40
- 3.31
- 3.22
.2090
.1760
.1489
.1266
.7
- 3.51
- 3.41
- 3.32
- 3.23
65
70
75
80
.8
.9
1.0
85
.1179
6.4
7.1
7.8
8.5
- 3.1
- 3.0
- 2.9
- 2.9
.1087
6.7
7.4
8.1
8.8
- 3.13
- 3.05
- 2.97
- 2.89
.1081
1.1
1.2
1.3
1.5
- 3.14
- 3.06
- 2.98
- 2.91
85
90
.1012
.09321
.08027
.06939
.09262
.07970
.06885
90
95
100
.08721
.07539
95
100
105
110
115
120
.06538
.05688
.04963
.04343
9.2
- 2.8
- 2.8
- 2.7
- 2.6
.06020
.05243
.04581
.04017
9.5
10.2
11.0
11.7
- 2.82
- 2.75
- 2.68
- 2.61
.05969
.05194
.04535
.03973
1.6
1.7
1.8
2.0
- 2.83
- 2.76
- 2.69
- 2.63
105
110
115
120
9.9
10.6
11.3
125
130
135
140
.03812
.03354
.02960
.02618
12.0
12.7
13.5
14.2
- 2.6
- 2.5
- 2.5
- 2.4
.03533
.03117
.02759
.02449
12.5
13.2
14.0
14.7
- 2.55
- 2.48
- 2.42
- 2.37
.03491
.03077
.02721
.02412
2.1
2.2
2.3
2.5
- 2.56
- 2.50
- 2.44
- 2.39
125
130
135
140
145
150
.02322
.02064
14.9
15.6
- 2.4
- 2.3
.02180
.01945
15.5
16.2
- 2.31
- 2.26
.02145
.01912
2.6
2.7
- 2.33
- 2.28
145
150
Material code B (K)
N 4080
T
(°C)
MC 3910
TF (%)
NA 4100
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
TF (%)
α (%/°C)
R (T) / R25
α (%/°C)
-55
-50
-45
-40
100.6
69.29
48.41
34.27
23.0
19.9
17.1
14.6
- 7.88
- 7.55
- 7.24
- 6.96
110.1
24.0
20.7
17.8
15.2
- 7.81
- 7.53
- 7.26
- 7.01
109.5
8.0
6.9
6.0
5.1
- 7.83
- 7.54
- 7.27
- 7.01
-55
-50
-45
-40
75.90
52.98
37.43
75.42
52.63
37.18
-35
-30
-25
-20
24.57
17.83
13.09
9.714
12.4
10.5
8.7
- 6.68
- 6.42
- 6.18
- 5.95
26.75
19.33
14.12
10.41
12.9
10.9
9.1
- 6.77
- 6.54
- 6.32
- 6.10
26.58
19.22
14.04
10.37
4.3
3.7
3.1
2.5
- 6.76
- 6.52
- 6.30
- 6.09
-35
-30
-25
-20
7.2
7.5
-15
-10
-5
7.283
5.515
4.215
3.251
5.9
4.7
3.7
2.8
- 5.73
- 5.53
- 5.33
- 5.15
7.758
5.834
4.426
3.387
6.1
4.9
3.8
2.9
- 5.90
- 5.71
- 5.53
- 5.35
7.730
5.817
4.416
3.382
2.1
1.6
1.3
1.0
- 5.89
- 5.70
- 5.51
- 5.34
-15
-10
-5
0
0
5
10
15
20
2.528
1.983
1.567
1.247
2.0
1.4
0.8
0.4
- 4.97
- 4.80
- 4.65
- 4.49
2.614
2.033
1.593
1.258
2.1
1.4
.9
- 5.18
- 5.02
- 4.87
- 4.72
2.611
2.032
1.593
1.258
.7
.5
.3
.1
- 5.17
- 5.01
- 4.86
- 4.71
5
10
15
20
.4
25
30
35
40
1.0000
.8072
.6558
.5361
0.0
0.4
0.8
1.2
- 4.40
- 4.21
- 4.08
- 3.96
1.0000
.8004
.6448
.5228
0.0
- 4.57
- 4.44
- 4.31
- 4.18
1.0000
.8004
.6446
.5224
0.0
- 4.57
- 4.44
- 4.31
- 4.19
25
30
35
40
.4
.1
.8
1.3
.3
.4
45
50
55
60
.4409
.3647
.3033
.2535
1.7
2.2
2.8
3.4
- 3.84
- 3.72
- 3.61
- 3.51
.4264
.3497
.2885
.2392
1.8
2.3
2.9
3.5
- 4.06
- 3.94
- 3.83
- 3.72
.4258
.3491
.2877
.2383
.6
- 4.07
- 3.96
- 3.85
- 3.74
45
50
55
60
.8
1.0
1.2
65
70
75
80
.2130
.1798
.1525
.1299
4.0
4.6
5.2
5.9
- 3.41
- 3.31
- 3.22
- 3.13
.1994
.1671
.1406
.1189
4.1
4.8
5.5
6.2
- 3.62
- 3.52
- 3.42
- 3.33
.1984
.1660
.1396
.1178
1.4
1.6
1.8
2.1
- 3.64
- 3.55
- 3.45
- 3.36
65
70
75
80
85
.1112
6.6
7.3
8.0
8.7
- 3.05
- 2.97
- 2.89
- 2.81
.1010
6.9
7.6
8.3
9.1
- 3.24
- 3.16
- 3.07
- 2.99
.09991
.08507
.07273
.06241
2.3
2.5
2.8
3.0
- 3.28
- 3.20
- 3.12
- 3.04
85
90
.09551
.08238
.07132
.08617
.07381
.06347
90
95
100
95
100
105
110
115
120
.06198
.05405
.04730
.04153
9.4
10.1
10.9
11.6
- 2.74
- 2.67
- 2.60
- 2.54
.05480
.04148
.04129
.03603
9.8
10.6
11.3
12.1
- 2.92
- 2.84
- 2.77
- 2.70
.05376
.04648
.04032
.03510
3.3
3.5
3.8
4.1
- 2.96
- 2.89
- 2.82
- 2.76
105
110
115
120
125
130
135
140
.03657
.03231
.02863
.02544
12.3
13.1
13.8
14.6
- 2.48
- 2.42
- 2.36
- 2.30
.03155
.02771
.02442
.02158
12.9
13.7
14.4
15.2
- 2.64
- 2.57
- 2.51
- 2.45
.03065
.02685
.02359
.02079
4.3
4.6
4.8
5.1
- 2.69
- 2.63
- 2.57
- 2.51
125
130
135
140
145
150
.02267
.02025
15.3
16.1
- 2.25
- 2.20
.01913
.01700
16.0
16.8
- 2.39
- 2.34
.01838
.01629
5.4
5.6
- 2.45
- 2.40
145
150
30
Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
NC 4080
TF (%)
NE 4100
TF (%)
N5
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
105.44
72.89
51.04
36.18
24.0
20.7
17.8
15.2
- 7.5
- 7.2
- 7.0
- 6.7
97.27
67.99
48.08
34.39
24.1
20.8
17.9
15.3
- 7.2
- 7.0
- 6.8
- 6.5
115.8
79.70
55.53
39.14
16.3
14.1
12.1
10.4
- 7.83
- 7.56
- 7.30
- 7.06
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
25.94
18.81
13.78
10.20
12.9
10.9
9.1
- 6.5
- 6.3
- 6.1
- 5.9
24.85
18.15
13.38
9.96
13.0
11.0
9.2
- 6.3
- 6.1
- 6.0
- 5.8
27.90
20.11
14.64
10.77
8.8
7.4
6.2
5.1
- 6.82
- 6.60
- 6.38
- 6.17
- 35
- 30
- 25
- 20
7.5
7.6
- 15
- 10
- 5
0
7.621
5.748
4.373
3.355
6.1
4.9
3.8
2.9
- 5.7
- 5.5
- 5.4
- 5.2
7.479
5.664
4.325
3.328
6.2
4.9
3.8
2.9
- 5.6
- 5.4
- 5.3
- 5.1
7.995
5.991
4.529
3.453
4.2
3.3
2.6
2.0
- 5.97
- 5.78
- 5.60
- 5.43
- 15
- 10
- 5
0
5
10
15
20
2.595
2.023
1.588
1.256
2.1
1.4
0.9
0.4
- 5.0
- 4.9
- 4.7
- 4.6
2.581
2.016
1.585
1.255
2.1
1.4
0.9
0.4
- 5.0
- 4.9
- 4.7
- 4.6
2.655
2.057
1.606
1.263
1.4
1.0
.6
- 5.26
- 5.10
- 4.95
- 4.80
5
10
15
20
.3
25
30
35
40
1.0000
.8014
.6463
.5243
0.0
0.4
0.8
1.3
- 4.5
- 4.4
- 4.2
- 4.1
1.0000
.8017
.6466
.5245
0.0
0.4
0.8
1.3
- 4.5
- 4.3
- 4.2
- 4.1
1.0000
.7973
.6398
.5167
0.0
- 4.65
- 4.52
- 4.39
- 4.26
25
30
35
40
.3
.5
.9
45
50
55
60
.4278
.3510
.2896
.2401
1.8
2.3
2.9
3.5
- 4.0
- 3.9
- 3.8
- 3.7
.4278
.3508
.2891
.2394
1.8
2.3
2.9
3.5
- 4.0
- 3.9
- 3.8
- 3.7
.4198
.3430
.2819
.2329
1.2
1.6
2.0
2.4
- 4.14
- 4.02
- 3.91
- 3.80
45
50
55
60
65
70
75
80
.2001
.1675
.1409
.1190
4.1
4.8
5.5
6.2
- 3.6
- 3.5
- 3.4
- 3.3
.1992
.1666
.1399
.11794
4.2
4.8
5.5
6.2
- 3.6
- 3.5
- 3.4
- 3.4
.1934
.1615
.1354
.1141
2.8
3.3
3.7
4.2
- 3.69
- 3.59
- 3.50
- 3.40
65
70
75
80
85
.1010
6.9
7.6
8.3
9.1
- 3.2
- 3.2
- 3.1
- 3.0
.09987
.08491
.07246
.06207
6.9
7.6
8.4
9.1
- 3.3
- 3.2
- 3.1
- 3.1
.09660
.08212
.07011
.06010
4.7
5.2
5.7
6.2
- 3.31
- 3.23
- 3.14
- 3.06
85
90
.08605
.07360
.06319
90
95
100
95
100
105
110
115
120
.05446
.04710
.04087
.03559
9.8
10.6
11.3
12.1
- 2.9
- 2.9
- 2.8
- 2.7
.05336
.04604
.03985
.03461
9.9
10.6
11.4
12.2
-3.0
- 2.9
- 2.8
- 2.8
.05172
.04467
.03873
.03370
6.7
7.2
7.7
8.2
- 2.98
- 2.91
- 2.83
- 2.76
105
110
115
120
125
130
135
140
.03109
.02724
.02394
.02111
12.9
13.7
14.4
15.2
- 2.7
- 2.6
- 2.5
- 2.5
.03015
.02635
.02309
.02030
12.9
13.7
14.5
15.3
-2.7
- 2.7
- 2.6
- 2.5
.02942
.02576
.02264
.01995
8.8
- 2.70
- 2.63
- 2.57
- 2.51
125
130
135
140
9.3
9.8
10.3
145
150
.01866
.01654
16.0
16.8
- 2.4
- 2.4
.01789
.01581
16.1
16.8
- 2.5
- 2.4
.01764
.01564
10.9
11.4
- 2.45
- 2.39
145
150
Material code B (K)
PA 4235
T
(°C)
P 4220
TF (%)
Q 4300
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
TF (%)
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
121.3
83.32
57.91
40.71
24.8
21.4
18.4
15.8
- 7.88
- 7.61
- 7.36
- 7.11
23.3
8.3
7.2
6.2
5.3
- 8.00
- 7.71
- 7.43
-7.17
98.02
69.51
49.72
35.86
25.5
22.0
18.9
16.2
- 7.14
- 6.95
- 6.77
- 6.59
- 55
- 50
- 45
- 40
84.31
58.37
40.92
- 35
- 30
- 25
- 20
28.95
20.80
15.10
11.07
13.4
11.3
9.4
- 6.88
- 6.66
- 6.44
- 6.24
29.03
20.83
15.10
11.07
4.5
3.8
3.2
2.6
- 6.92
- 6.69
- 6.46
- 6.25
26.08
19.12
14.12
10.51
13.7
11.6
9.7
- 6.42
- 6.26
- 6.10
- 5.94
- 35
- 30
- 25
- 20
7.8
8.0
- 15
- 10
- 5
0
8.196
6.123
4.615
3.507
6.3
5.1
4.0
3.0
- 6.04
- 5.85
- 5.67
- 5.49
8.189
6.117
4.610
3.504
2.1
1.7
1.3
1.0
- 6.05
- 5.85
- 5.67
- 5.49
7.876
5.946
4.520
3.460
6.5
5.2
4.1
3.1
- 5.79
- 5.64
- 5.50
- 5.36
- 15
- 10
- 5
0
5
10
15
20
2.688
2.078
1.616
1.267
2.2
1.5
.9
- 5.33
- 5.16
- 5.01
- 4.86
2.686
2.075
1.615
1.266
.7
.5
.3
.1
- 5.32
- 5.16
- 5.01
- 4.86
2.666
2.067
1.613
1.266
2.2
1.5
.9
- 5.23
- 5.09
- 4.96
- 4.84
5
10
15
20
.4
.4
25
30
35
40
1.0000
.7949
.6360
.5120
0.0
- 4.72
- 4.58
- 4.45
- 4.32
1.0000
.7949
.6359
.5119
0.0
- 4.72
- 4.58
- 4.45
- 4.32
1.0000
.7944
.6347
.5099
0.0
- 4.72
- 4.60
- 4.48
- 4.37
25
30
35
40
.4
.1
.4
.8
1.3
.3
.4
.8
1.3
45
50
55
60
.4148
.3380
.2769
.2282
1.8
2.4
3.0
3.6
- 4.20
- 4.06
- 3.96
- 3.86
.4145
.3376
.2765
.2276
.6
- 4.20
- 4.09
- 3.98
- 3.87
.4119
.3345
.2730
.2239
1.9
2.5
3.1
3.7
- 4.26
- 4.15
- 4.05
- 3.95
45
50
55
60
.8
1.0
1.2
65
70
75
80
.1890
.1573
.1316
.1106
4.3
5.0
5.7
6.4
- 3.75
- 3.65
- 3.55
- 3.45
.1883
.1566
.1308
.1098
1.4
1.7
1.9
2.1
- 3.77
- 3.67
- 3.58
- 3.48
.1846
.1529
.1272
.1063
4.4
5.1
5.8
6.5
- 3.85
- 3.75
- 3.66
- 3.57
65
70
75
80
85
.09338
.07919
.06744
.05767
7.1
7.9
8.6
9.4
- 3.36
- 3.28
- 3.19
- 3.11
.09258
.07838
.06662
.05686
2.4
2.6
2.9
3.1
- 3.40
- 3.31
- 3.23
- 3.15
.08928
.07527
.06373
.05417
7.3
8.1
8.8
9.6
- 3.48
- 3.39
- 3.31
- 3.23
85
90
90
95
100
95
100
105
110
115
120
.04951
.04267
.03691
.03204
10.2
10.9
11.7
12.5
- 3.03
- 2.95
- 2.88
- 2.81
.04871
.04189
.03614
.03130
3.4
3.7
3.9
4.2
- 3.07
- 3.00
- 2.93
- 2.86
.04623
.03961
.03405
.02939
10.4
11.2
12.0
12.9
- 3.15
- 3.07
- 3.00
- 2.93
105
110
115
120
125
130
135
140
.02791
.02440
.02139
.01882
13.3
14.1
14.9
15.7
- 2.74
- 2.67
- 2.61
- 2.55
.02719
.02370
.02072
.01817
4.5
4.7
5.0
5.3
- 2.79
- 2.73
- 2.67
- 2.61
.02545
.02211
.01928
.01686
13.7
14.5
15.3
16.1
- 2.86
- 2.79
- 2.72
- 2.66
125
130
135
140
145
150
.01660
.01469
16.5
17.3
- 2.49
- 2.43
.01598
.01410
5.5
5.8
- 2.55
- 2.49
.01479
.01302
17.0
17.8
- 2.60
- 2.54
145
150
31
Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
QA 4250
TF (%)
R 4400
TF (%)
RA 4380
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
1101.8
71.33
50.51
36.14
8.3
7.2
6.2
5.3
- 7.36
- 7.13
- 6.91
- 6.70
113.9
79.69
56.29
40.12
25.9
22.4
19.2
16.4
- 7.42
- 7.22
- 7.03
- 6.84
110.7
77.22
54.43
38.76
8.6
7.4
6.4
5.5
- 7.53
- 7.29
- 7.07
- 6.85
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
26.11
19.05
14.02
10.41
4.5
3.8
3.2
2.6
- 6.50
- 6.31
- 6.12
- 5.85
28.85
20.92
15.29
11.27
14.0
11.8
9.8
- 6.66
- 6.48
- 6.31
- 6.14
27.86
20.22
14.81
10.94
4.6
3.9
3.3
2.7
- 6.65
- 6.46
- 6.27
- 6.09
- 35
- 30
- 25
- 20
8.1
- 15
- 10
- 5
0
7.791
5.879
4.470
3.424
2.1
1.7
1.3
1.0
- 5.78
- 5.62
- 5.46
- 5.31
8.367
6.260
4.719
3.583
6.6
5.3
4.1
3.1
- 5.98
- 5.83
- 5.67
- 5.53
8.143
6.112
4.622
3.522
2.2
1.8
1.4
1.0
- 5.92
- 5.76
- 5.60
- 5.45
- 15
- 10
- 5
0
5
10
15
20
2.642
2.052
1.605
1.263
.7
.5
.3
.1
- 5.17
- 5.03
- 4.90
- 4.77
2.739
2.108
1.634
1.274
2.3
1.5
.9
- 5.38
- 5.24
- 5.11
- 4.97
2.702
2.087
1.623
1.270
.8
.5
.3
.1
- 5.31
- 5.17
- 5.03
- 4.91
5
10
15
20
.4
25
30
35
40
1.0000
.7965
.6380
.5139
0.0
- 4.65
- 4.53
- 4.42
- 4.31
1.0000
.7897
.6273
.5012
0.0
- 4.84
- 4.72
- 4.60
- 4.48
1.0000
.7920
.6308
.5052
0.0
- 4.78
- 4.66
- 4.55
- 4.43
25
30
35
40
.1
.4
.1
.3
.4
.9
1.4
.3
.5
45
50
55
60
.4162
.3388
.2771
.2278
.6
- 4.20
- 4.10
- 4.00
- 3.90
.4026
.3255
.2644
.2159
1.9
2.5
3.1
3.8
- 4.36
- 4.25
- 4.14
- 4.04
.4068
.3292
.2678
.2189
.6
- 4.33
- 4.22
- 4.12
- 4.02
45
50
55
60
.8
.8
1.0
1.2
1.0
1.3
65
70
75
80
.1881
.1560
.1300
.1088
1.4
1.7
1.9
2.1
- 3.81
- 3.72
- 3.63
- 3.55
.1772
.1462
.1212
.1009
4.5
5.2
5.9
6.7
- 3.03
- 3.83
- 3.74
- 3.64
.1797
.1483
.1228
.1022
1.5
1.7
2.0
2.2
- 3.93
- 3.84
- 3.75
- 3.67
65
70
75
80
85
.0914
2.4
2.6
2.9
3.2
- 3.47
- 3.39
- 3.31
- 3.24
.08441
.07093
.05985
.05072
7.4
8.2
9.0
9.8
- 3.55
- 3.46
- 3.38
- 3.29
.08537
.07160
.06029
.05095
2.5
2.7
3.0
3.2
- 3.58
- 3.50
- 3.42
- 3.35
85
90
.07708
.06527
.05547
90
95
100
95
100
105
110
115
120
.04731
.04049
.03160
.02996
3.4
- 3.17
- 3.10
- 3.06
- 2.96
.04315
.03686
.03478
.02720
10.6
11.4
3.9
- 3.21
- 3.13
- 3.03
- 2.98
.04322
.03679
.03143
.02693
3.5
3.8
4.1
4.3
- 3.28
- 3.21
- 3.14
- 3.07
105
110
115
120
3.7
12.2
4.2
13.1
125
130
135
140
.02590
.02246
.01953
.01704
4.5
4.7
5.0
5.3
- 2.90
- 2.84
- 2.78
- 2.72
.02349
.02036
.01771
.01545
13.9
14.7
15.6
16.4
- 2.91
- 2.84
- 2.77
- 2.71
.02316
.01997
.01728
.01499
4.6
4.9
5.2
5.4
- 3.01
- 2.94
- 2.88
- 2.82
125
130
135
140
145
150
.01490
.01307
5.5
5.8
- 2.67
- 2.61
.01353
.01188
17.2
18.1
- 2.64
- 2.58
.01305
.01138
5.7
6.0
- 2.77
- 2.71
145
150
Material code B (K)
S 4520
T
(°C)
RC 4340
TF (%)
SC 4500
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
TF (%)
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
105.68
74.01
52.37
37.43
25.5
22.1
19.0
16.2
- 7.2
- 6.9
- 6.7
- 6.6
126.1
87.73
61.59
43.62
26.6
23.0
19.8
16.9
- 7.55
- 7.35
- 7.16
- 6.97
129.77
89.31
62.15
43.72
26.5
22.9
19.7
16.8
- 7.5
- 7.3
- 7.1
- 6.9
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
27.01
19.66
14.44
10.70
13.8
11.6
9.7
- 6.4
- 6.2
- 6.0
- 5.9
31.17
22.45
16.31
11.94
14.3
12.1
10.1
8.3
- 6.79
- 6.62
- 6.45
- 6.28
31.07
22.29
16.15
11.80
14.3
12.0
10.0
8.3
- 6.7
- 6.5
- 6.3
- 6.1
- 35
- 30
- 25
- 20
8.0
- 15
- 10
- 5
0
7.990
6.013
4.559
3.482
6.5
5.2
4.1
3.1
- 5.7
- 5.6
- 5.4
- 5.3
8.808
6.548
4.904
3.699
6.8
5.4
4.2
3.2
- 6.12
- 5.96
- 5.81
- 5.66
8.703
6.470
4.849
3.662
6.8
5.4
4.2
3.2
- 6.0
- 5.8
- 5.7
- 5.5
- 15
- 10
- 5
0
5
10
15
20
2.678
2.074
1.616
1.267
2.2
1.5
0.9
0.4
- 5.2
- 5.0
- 4.9
- 4.8
2.810
2.149
1.654
1.282
2.3
1.6
1.0
.4
- 5.52
- 5.38
- 5.24
- 5.10
2.786
2.135
1.647
1.279
2.3
1.6
0.9
0.4
- 5.4
- 5.2
- 5.1
- 5.0
5
10
15
20
25
30
35
40
1.0000
.7936
.6334
.5083
0.0
0.4
0.8
1.3
- 4.7
- 4.5
- 4.4
- 4.3
1.0000
.7848
.6196
.4922
0.0
- 4.97
- 4.85
- 4.72
- 4.60
1.0000
.7865
.6223
.4953
0.0
0.4
0.9
1.4
- 4.8
- 4.7
- 4.6
- 4.5
25
30
35
40
.4
.9
1.4
45
50
55
60
.4100
.3325
.2709
.2218
1.9
2.5
3.1
3.7
- 4.2
- 4.1
- 4.0
- 3.9
.3932
.3158
.2551
.2072
2.0
2.6
3.2
3.9
- 4.48
- 4.37
- 4.26
- 4.15
.3963
.3189
.2579
.2096
2.0
2.6
3.2
3.9
- 4.4
- 4.3
- 4.2
- 4.1
45
50
55
60
65
70
75
80
.1825
.1508
.1251
.1043
4.4
5.1
5.8
6.6
- 3.8
- 3.8
- 3.7
- 3.6
.1691
.1387
.1144
.09477
4.6
5.3
6.1
6.8
- 4.05
- 3.94
- 3.84
- 3.75
.1712
.1405
.1159
.09595
4.6
5.3
6.0
6.8
- 4.0
- 3.9
- 3.8
- 3.7
65
70
75
80
85
.08727
.07332
.06184
.05235
7.3
8.1
8.9
9.7
- 3.5
- 3.4
- 3.4
- 3.3
.07888
.06595
.05539
.04671
7.6
- 3.65
- 3.56
- 3.47
- 3.39
.07980
.06664
.05588
.04704
7.6
- 3.6
- 3.6
- 3.5
-3.4
85
90
8.4
8.4
90
95
100
9.2
10.1
9.2
10.0
95
100
105
110
115
120
.04448
.03793
.03245
.02785
10.5
11.3
12.1
12.9
- 3.2
- 3.1
- 3.1
- 3.0
.03956
.03364
.02872
.02461
10.9
11.7
12.6
13.4
- 3.30
- 3.22
- 3.14
- 3.07
.03975
.03371
.02869
.02450
10.8
11.7
12.5
13.4
- 3.3
- 3.3
- 3.2
- 3.1
105
110
115
120
125
130
135
140
.02399
.02072
.01796
.01561
13.7
14.5
15.4
16.2
- 3.0
- 2.9
- 2.8
- 2.8
.02117
.01828
.01584
.01376
14.3
15.1
16.0
16.8
- 2.99
- 2.92
- 2.85
- 2.78
.02100
.01805
.01557
.01347
14.2
15.1
15.9
16.8
- 3.0
- 3.0
- 2.9
- 2.9
125
130
135
140
145
150
.01360
.01189
17.0
17.8
- 2.7
- 2.7
.01201
.01050
17.7
18.6
- 2.72
- 2.65
.01169
.01017
17.6
18.5
- 2.8
- 2.7
145
150
32
Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
T 4630
TF (%)
U 4840
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
137.0
94.92
66.34
46.77
27.2
23.5
20.2
17.3
- 7.64
- 7.45
- 7.26
- 7.09
173.7
118.2
81.16
56.25
28.5
24.6
21.2
18.1
- 8.04
- 7.83
- 7.63
- 7.44
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
33.25
23.83
17.22
12.54
14.7
12.4
10.3
8.5
- 6.90
- 6.72
- 6.56
- 6.39
39.33
27.74
19.73
14.15
15.4
12.9
10.8
8.9
- 7.25
- 7.07
- 6.89
- 6.71
- 35
- 30
- 25
- 20
- 15
- 10
- 5
0
9.205
6.806
5.069
3.803
6.9
5.6
4.3
3.3
- 6.23
- 6.08
- 5.92
- 5.78
10.23
7.456
5.475
4.051
7.3
5.8
4.5
3.4
- 6.54
- 6.38
- 6.22
- 6.06
- 15
- 10
- 5
0
5
10
15
20
2.873
2.185
1.673
1.289
2.4
1.6
1.0
.4
- 5.63
- 5.49
- 5.35
- 5.22
3.019
2.267
1.714
1.305
2.5
1.7
1.0
.5
- 5.91
- 5.76
- 5.61
- 5.47
5
10
15
20
25
30
35
40
1.0000
.7805
.6129
.4842
0.0
- 5.09
- 4.96
- 4.83
- 4.71
1.0000
.7715
.5991
.4681
0.0
- 5.33
- 5.20
- 5.06
- 4.94
25
30
35
40
.4
.4
.9
1.4
.9
1.5
45
50
55
60
.3847
.3074
.2470
.1996
2.0
2.6
3.3
4.0
- 4.59
- 4.48
- 4.37
- 4.26
.3681
.2911
.2316
.1853
2.1
2.8
3.4
4.2
- 4.81
- 4.69
- 4.57
- 4.45
45
50
55
60
65
70
75
80
.1621
.1323
.1086
.08953
4.7
5.4
6.2
7.0
- 4.15
- 4.04
- 3.94
- 3.84
.1491
4.9
5.7
6.5
7.3
- 4.34
- 4.23
- 4.12
- 4.02
65
70
75
80
.1207
.09813
.08023
85
.07417
.06173
.05161
.04334
7.8
- 3.75
- 3.65
- 3.56
- 3.47
.06592
.05443
.04515
.03763
8.2
- 3.91
- 3.82
- 3.72
- 3.63
85
90
8.6
9.0
90
95
100
9.5
10.3
9.9
10.8
95
100
105
110
115
120
.03655
.03095
.02632
.02247
11.2
12.0
12.9
13.7
- 3.39
- 3.31
- 3.22
- 3.15
.03151
.02650
.02237
.01897
11.7
12.6
13.5
14.4
- 3.54
- 3.45
- 3.38
- 3.28
105
110
115
120
125
130
135
140
.01925
.01656
.01429
.01238
14.6
15.5
16.4
17.3
- 3.07
- 2.99
- 2.92
- 2.85
.01615
.01381
.01185
.01020
15.3
16.2
17.1
18.0
- 3.20
- 3.12
- 3.04
- 2.97
125
130
135
140
145
150
.01076
.00938
18.1
19.0
- 2.78
- 2.72
.00882
.00765
19.0
19.9
- 2.90
- 2.83
145
150
33
Identification – Traceability
On the packaging of all shipped thermistors, you will find a bar code label.
This label gives systematic information on the type of product, part number, lot number, manufacturing date and quantity.
An example is given below:
Manufacturing date
(YYMMDD)
Lot number
RoHS Logo
Quantity of partꢂ
per packaging
Product and part
number reference
This information allows complete traceability of the entire manufacturing process, from raw materials to final inspection.
This is extremely useful for any information request, customer complaint or product return.
34
Circuit Protection Portfolio
Application Guide
APPLICATIONS
ESD
X
X
X
X
X
In Rush Current Limit
Long Wave Transient
EMI Filtering
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EMI Filtering + Transient
Load Dump
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Automotive
Mil Std 461-E
ISO 7637
X
IEC 61000
X
X
X
X
X
X
X
X
Telecom Protection
Over Current Protection
Diode Replacement
Zener Replacement
Military A-A-55682
Radiation Resistance
Industrial
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
UL 1449
UL 1414
Medical (EN 60601)
High Speed Data Line Protection
Optic Transceiver Protection
Temperature Sensing
Low Leakage Circuit
X
X
X
X
X
X
X
X
DATA
Data Sheet
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Application Notes
Reliability Data
Distributed Element Model
Frequency Response
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
35
Circuit Protection Portfolio
Terminology Guide
Fast Blow SMT Fuse (Surface Mount Fuse)
High accuracy, fast blow, surface mount fuses. Case sizes: 0402,
0603, 0805, 1206, 0612. Current ratings 250 mA to 5 Amps.
Bidirectional Transient Voltage Suppressors
for USB Applications (USB Series)
Bidirectional transient voltage suppressor intended for Universal
Serial Bus applications. Available configurations: 0402 and 0603
discrete; 0405 two element array; 0508 three element array; 0612
four element array.
SMT Broadband LCT Filter (Feedthru)
Miniature surface mount broadband LC T configuration EMI filters.
FeedThru current ratings to 300 mA.
Bidirectional Transient Voltage Suppressors
SMT Broadband LCT Filter Array (Feedthru Array)
Miniature surface mount broadband 4 element LC T configuration
EMI filter arrays. FeedThru current ratings of 300 mA.
for Low Leakage CMOS Applications (UltraGuard)
Low leakage, bidirectional transient voltage suppressor intended
for CMOS battery powered designs. Steady state operating
voltages of 3, 5, 7, 10 and 15 volts (DC). Available configurations:
0402, 0603 and 0805 discrete; 0405 two element array; 0508
and 0612 four element array.
SMT High Current Broadband LCT Filter
(High Current Feedthru)
High current, surface mount, broadband LC T configuration filters.
Feedthru currents up to 5 Amps.
Bidirectional Transient Voltage Suppressors
for High Energy Transients (Medium Power MLV)
Medium power, bidirectional transient voltage suppressor.
Available in operating voltages of: 18, 26, 30, 48, 60 volts (DC).
Case sizes: 1206, 1210, 1812, 2220. Energy ratings 0.9 to
1.5 joules.
SMT Bidirectional Transient Voltage Suppressors
& EMI Filters (TransGuard)
Miniature surface mount, bidirectional transient voltage
suppressor. Steady state operating voltages of 3.3 volts to 60
volts. Case sizes: 0402, 0603, 0805, 1206, 1210, 1812, 2220.
Bidirectional Transient Voltage Suppressors
for Load Dump & Jump Start Auto Applications (Medium
Power Automotive Series)
Medium power, bidirectional transient voltage suppressor.
Available in operating voltages of: 16 and 34 volts (DC). Case
sizes: 1206, 1210, 1812, 2220. Energy ratings 0.6 to 12 joules.
Load dump and jump start rated.
SMT Bidirectional Transient Voltage Suppressors
& EMI Filter Arrays (MultiGuard)
Miniature surface mount bidirectional transient voltage suppressor
2 or 4 element arrays. Steady state operating voltages of 5.6 volts
to 18 volts. Case sizes: 0405, 0508, 0612.
Low Capacitance SMT Bidirectional Transient Voltage
Suppressors & EMI Filters (StaticGuard)
Bidirectional transient voltage suppressor intended for low leakage
CMOS based IC protection. Can be operated at voltages up to
18V. Case sizes: 0402, 0405, 0508, 0603, 0612, 0805, 1206.
Bidirectional Transient Voltage Suppressors
for Telecom Applications (Medium Power MLV for Telecom)
Medium power, bidirectional transient voltage suppressor.
Available in operating voltages of: 60 and 90 Vrms in 1812 case
size. Energy ratings of 5 and 6 joules. CCITT 10x700μs 2kV
capable.
SMT Bidirectional LCT Transient Voltage Suppressor
Filters (TransFeed)
Miniature bidirectional transient voltage suppressor filter LC T
configuration. Relatively narrow band, high attenuation filter.
Discrete filter in 0508 package, 4 element array filter in 0612
package.
Leaded Negative Temperature Coefficient Thermistors
Negative temperature coefficient thermistors high accuracy NTCs
from 2k ohm to 100k ohm, general purpose NTCs from 10 ohms
to 1 meg ohm. Stud mounted NTCs from 10 ohms to 330 k ohms.
Low Capacitance Bidirectional Transient Voltage
Suppressors (AntennaGuard)
Low capacitance, bidirectional transient voltage suppressor
intended for high speed or high frequency applications. Available
in 0402 and 0603 case sizes. Capacitance values of 3 pF and 12
pF available.
SMT Negative Temperature Coefficient Thermistors
Surface mount negative temperature coefficient thermistor in
0402, 0603, 0805 and 1206 case sizes.
General Purpose Radial Leaded Power
MOV (Metal Oxide Varistors)
Radial Metal Oxide varistors 11 Vrms to 625 Vrms. Energy ratings
to >500 J. Peak current ratings to 10,000 A.
Bidirectional Transient Voltage Suppressors for
Low, Medium & High Speed CAN Networks
(CAN BUS Series)
Bidirectional transient voltage suppressor intended for high speed
and slow speed CAN circuitry. Available configurations: 0603
discrete, 0405 two element array, 0612 four element array.
36
AMERICAS
EUROPE
ASIA-PACIFIC
ASIA-KED
(KYOCERA Electronic Devices)
AVX Greenville, SC
Tel: 864-967-2150
AVX/Kyocera (S) Pte Ltd.,
Singapore
KED Hong Kong Ltd.
Tel: +852-2305-1080/1223
AVX Limited, England
Tel: +44-1276-697000
Tel: +65-6286-7555
AVX Northwest, WA
Tel: 360-699-8746
AVX S.A.S., France
Tel: +33-1-69-18-46-00
KED Hong Kong Ltd.
Shenzen
Tel: +86-755-3398-9600
AVX/Kyocera, Asia, Ltd.,
Hong Kong
AVX Midwest, IN
Tel: 317-861-9184
AVX GmbH, Germany
Tel: +49-0811-95949-0
Tel: +852-2363-3303
KED Company Ltd.
Shanghai
Tel: +86-21-3255-1833
AVX/Kyocera Yuhan Hoesa,
South Korea
AVX Mid/Pacific, CA
Tel: 408-988-4900
AVX SRL, Italy
Tel: +39-02-614-571
Tel: +82-2785-6504
KED Hong Kong Ltd.
Beijing
Tel: +86-10-5869-4655
AVX Northeast, MA
Tel: 617-479-0345
AVX/Kyocera HK Ltd.,
Taiwan
Tel: +886-2-2656-0258
AVX Czech Republic
Tel: +420-57-57-57-521
AVX/ELCO UK
Tel: +44-1638-675000
AVX Southwest, CA
Tel: 949-859-9509
KED Taiwan Ltd.
Tel: +886-2-2950-0268
AVX/Kyocera (M) Sdn Bhd,
Malaysia
Tel: +60-4228-1190
ELCO Europe GmbH
Tel: +49-2741-299-0
AVX Canada
Tel: 905-238-3151
KED Korea Yuhan Hoesa,
South Korea
Tel: +82-2-783-3604/6126
AVX/Kyocera International
Trading Co. Ltd.,
Shanghai
AVX South America
Tel: +55-11-4688-1960
AVX S.A., Spain
Tel: +34-91-63-97-197
KED (S) Pte Ltd.
Singapore
Tel: +86-21-3255 1933
AVX Benelux
Tel: +31-187-489-337
AVX/Kyocera Asia Ltd.,
Shenzen
Tel: +65-6509-0328
Kyocera Corporation
Japan
Tel: +81-75-604-3449
Tel: +86-755-3336-0615
AVX/Kyocera International
Trading Co. Ltd.,
Beijing
Tel: +86-10-6588-3528
AVX/Kyocera India
Liaison Office
Tel: +91-80-6450-0715
Contact:
A KYOCERA GROUP COMPANY
http://www.avx.com
S-TNTC0M412-C
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