ERA3AEW102X
更新时间:2024-09-18 12:51:17
品牌:PANASONIC
描述:Metal Film Chip Resistors, High Reliability Type
ERA3AEW102X 概述
Metal Film Chip Resistors, High Reliability Type 金属片式电阻器,高可靠型
ERA3AEW102X 数据手册
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PDF下载Metal Film Chip Resistors, High Reliability Type
Metal Film Chip Resistors,
High Reliability Type
0402, 0603, 0805, 1206
Type:
ERA 2A, 3A, 6A, 8A
■ Features
...............
..............
High reliability
Stable at high temperature and humidity
●
(85 °C 85 %RH rated load, Category temperature range : –55 to +155 °C)
Small resistance tolerance and Temperature Coefficient of Resistance
Low current noise, excellent non-linearity
High accuracy
●
●
●
.........
......
High performance
Reference Standard
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133A
■ Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
E
R
A
3
A
E
B
1
0
2
V
Product Code
Size, Power Rating
Type: inches Power Rating
Resistance Tolerance
Packaging Methods
Packaging
Temperature Coefficient
Code
W
B
Tolerance
0.05 %
0.1 %
Type
Metal Film
Chip Resistors
Code
T.C.R.
Code
10ꢀ10–6/°C (ppm/°C)
15ꢀ10–6/°C (ppm/°C)
25ꢀ10–6/°C (ppm/°C)
50ꢀ10–6/°C (ppm/°C)
100ꢀ10–6/°C (ppm/°C)
0.063 W
2A : 0402
R
P
E
H
K
Punched Carrier
Taping (2 mm pitch)
ERA2A
X
0.1 W
3A : 0603
ERA3A
ERA6A
ERA8A
0.125 W
D
0.5 %
6A : 0805
Punched Carrier
Taping (4 mm pitch)
V
0.25 W
8A : 1206
Resistance Value
The first two digits are significant figures of resistance
and the third one denotes number of zeros following.
(ex.) 102 : 1 kꢁ
■ Construction
■ Dimensions in mm (not to scale)
L
Protective coating
a
Electrode (Inner)
Alumina substrate
W
t
b
Electrode
(Between)
Dimensions (mm)
Type
Mass (Weight)
[g/1000pcs.]
(inches)
L
W
a
0.50+–0.1005 0.15
0.20
b
t
0.10
0.20
0.20
0.20
0.10
0.20
0.25
0.25
0.10
0.20
0.25
0.25
0.05
0.10
0.10
0.10
ERA2A
(0402)
1.00
0.25
0.35
0.6
2
ERA3A
(0603)
1.60
2.00
3.20
0.80
1.25
1.60
0.30
0.40
0.50
0.30
0.40
0.50
0.45
0.50
0.60
High reliability
metal film
Electrode (Outer)
0.10
0.10
ERA6A
(0805)
4
ERA8A
(1206)
8
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Mar. 2009
Metal Film Chip Resistors, High Reliability Type
■ Ratings
Power
Rating
Maximum
Overload
Voltage(2)
(V)
Category Temperature
Range (Operating
Temperature Range)
(°C)
Limiting Element
Voltage (Maximum
RCWV)(1) (V)
Resistance
T.C.R.
Resistance
Range(3)
(ꢁ)
Type
(inches) at 85 °C
(W)
Type
(detail)
Tolerance [ꢀ10–6/°C
(%)
(ppm/°C)]
100
25
ERA2AKD
ERA2AED
ERA2AEB
ERA3AHD
ERA3AED
ERA3AEB
ERA3APB
ERA3ARB
ERA3ARW
ERA6AHD
ERA6AED
ERA6AEB
ERA6APB
ERA6ARB
ERA6ARW
ERA8AHD
ERA8AED
ERA8AEB
0.5
0.5
0.1
0.5
0.5
0.1
0.1
0.1
0.05
0.5
0.5
0.1
0.1
0.1
0.05
0.5
0.5
0.1
10 to
47 to 100 k (E24)
10 to 43 (E24)
43 (E24)
ERA2A
0.063
25
50
(0402)
50
25
47 to 330 k (E24)
470 to 100 k (E24)
1 k to 100 k (E24)
ERA3A
0.1
75
150
(0603)
15
10
–55 to +155
50
10 to
43 (E24)
25
47 to 1 M (E24)
470 to 100 k (E24)
1 k to 100 k (E24)
ERA6A
0.125
100
150
200
300
(0805)
15
10
50
10 to
43 (E24)
ERA8A
0.25
(1206)
25
47 to 1 M (E24)
ꢂ
(1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV= Rated Power ꢀ Resistance Values, or Limiting Element Voltage
(max. RCWV) listed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 ꢀ Power Rating or max. Overload Voltage listed above
whichever less.
(3) E96 series resistance values are also available. Please contact us for details.
–55 °C
100
85 °C
Power Derating Curve
For resistors operated in ambient temperatures above
85 °C, power rating shall be derated in accordance
with the figure on the right.
80
60
40
20
0
155 °C
–60 –40 –20
0
20 40 60 80 100 120 140 160 180
Ambient Temperature (°C)
■ Packaging Methods (Taping)
● Standard Quantity
Type
ERA2A
Kind of Taping
Pitch (P1)
2 mm
Quantity
10000 pcs./reel
5000 pcs./reel
Punched Carrier Taping
ERA3A, 6A, 8A
4 mm
● Carrier Taping
● Taping Reel
T
Sprocket hole
φD0
Compartment
φC
A
Chip component
Tape running direction
T
P1 P2 P0
φA
W
Type
A
B
W
F
E
A
B
C
φ
φ
φ
0.05
0.10
0.15
0.15
0.05
0.10
0.20
0.20
2A
3A
6A
8A
0.67
1.10
1.65
2.00
1.17
1.90
2.50
3.60
Dimensions
(mm)
Dimensions
(mm)
180.0+–03.0
60 min.
13.0
0.20
0.10
0.05
0.10
1.0
8.00
3.50
1.75
P1
2.00
P2
P0
4.00
D
φ
T
0.52
0.70
0.84
W
T
形式
2A
3A
0
0.10
0.10
0.05
0.05
0.05
Dimensions
(mm)
Dimensions
(mm)
0.05
+0.10
–0
1.0
1.0
2.00
1.50
9.0
11.4
4.00
6A, 8A
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Aug. 2009
Metal Film Chip Resistors, High Reliability Type
■ Recommended Land Pattern
In case of flow soldering, the land width must be smaller than the Chip Resistor width to properly control the solder amount
properly. Generally, the land width should be 0.7 to 0.8 times (W) of the width of chip resistor. In case of reflow soldering,
solder amount can be adjusted, therefore the land width should be set to 1.0 to 1.3 times chip resistor width (W).
Dimensions (mm)
b
Type
(inches)
Chip Resistor
a
c
ERA2A(0402)
ERA3A(0603)
ERA6A(0805)
ERA8A(1206)
0.5 to 0.6
1.4 to 1.6
2 to 2.2
0.4 to 0.6
0.8 to 1
0.7 to 0.9
1 to 1.4
2 to 2.4
a
b
3.2 to 3.8
4.4 to 5.0
0.9 to 1.4
1.2 to 1.8
■ Recommended Soldering Conditions
Recommendations and precautions are described below.
Recommended soldering conditions for reflow
●
· Reflow soldering shall be performed a maximum of
two times.
· Please contact us for additional information when
used in conditions other than those specified.
· Please measure the temperature of the terminals
and study every kind of solder and printed circuit
board for solderability before actual use.
For soldering (Example : Sn/Pb)
Temperature
140 °C to 160 °C
Above 200 °C
235 5 °C
Time
Preheating
Main heating
Peak
60 s to 120 s
30 s to 40 s
max. 10 s
Peak
Preheating
For lead-free soldering (Example : Sn/Ag/Cu)
Temperature
150 °C to 180 °C
Above 230 °C
max. 260 °C
Time
Heating
Preheating
Main heating
Peak
60 s to 120 s
30 s to 40 s
max. 10 s
Time
Recommended soldering conditions for flow
●
For soldering
For lead-free soldering
Temperature
140 °C to 180 °C
245 5 °C
Time
60 s to 120 s
20 s to 30 s
Temperature
150 °C to 180 °C
max. 260 °C
Time
60 s to 120 s
max. 10 s
Preheating
Soldering
Safety Precautions
The following are precautions for individual products. Please also refer to the precautions common to Fixed Resistors
shown on page ER2 of this catalog.
1. Keep the rated power and ambient temperature within the specified derating curve.
* When positioning and mounting Metal Film Chip Resistors (hereafter called the resistors), make allowance for the
effect of heat generated through close contact between the resistors and neighboring components and for the
temperature rise of adjacent heat-generating components.
2. If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate the operations
of the resistors when installed in your products before use.
When applying pulses to the resistors, keep the pulse peak within the rated voltage.
3. Do not use halogen-based or other high-activity flux. Otherwise, the residue may impair the resistors' performance
and/or reliability.
4. When soldering with a soldering iron, never touch the resistors' bodies with the tip of the soldering iron. When using a
soldering iron with a high temperature tip, finish soldering as quickly as possible (within three seconds at 350 °C max.).
5. As the amount of applied solder becomes larger, the mechanical stress applied to the resistors increases, causing
problems such as cracks and faulty characteristics. Avoid applying an excessive amount of solder.
6. When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the resistors may be
impaired. Take special care not to apply mechanical shock during automatic mounting or cause damage during
handling of the boards with the resistors mounted.
7. Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise, the resistors'
protective coatings and bodies may be chipped, affecting their performance.
8. Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.
9. Do not immerse the resistors in solvent for a long time. Before using solvent, carefully check the effects of immersion.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Feb. 2009
Safety Precautions
(Common precautions for Fixed Resistors)
• When using our products, no matter what sort of equipment they might be used for, be sure to make a written
agreement on the specifications with us in advance. The design and specifications in this catalog are subject
to change without prior notice.
• Do not use the products beyond the specifications described in this catalog.
• This catalog explains the quality and performance of the products as individual components. Before use, check
and evaluate their operations when installed in your products.
• Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment
where a defect in these products may cause the loss of human life or other significant damage, such as damage to
vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment, electric heating
appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention equipment.
Systems equipped with a protection circuit and a protection device
✽
Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single fault
✽
(1) Precautions for use
• These products are designed and manufactured for general and standard use in general electronic
equipment (e.g. AV equipment, home electric appliances, office equipment, information and communication
equipment)
• These products are not intended for use in the following special conditions. Before using the products, carefully
check the effects on their quality and performance, and determine whether or not they can be used.
1. In liquid, such as water, oil, chemicals, or organic solvent
2. In direct sunlight, outdoors, or in dust
3. In salty air or air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2
4. Electric Static Discharge (ESD) Environment
These components are sensitive to static electricity and can be damaged under static shock (ESD).
Please take measures to avoid any of these environments.
Smaller components are more sensitive to ESD environment.
5. Electromagnetic Environment
Avoid any environment where strong electromagnetic waves exist.
6. In an environment where these products cause dew condensation
7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with resin
or other materials
• These products generate Joule heat when energized. Carefully position these products so that their heat will not
affect the other components.
• Carefully position these products so that their temperatures will not exceed the category temperature range due
to the effects of neighboring heat-generating components. Do not mount or place heat-generating components or
inflammables, such as vinyl-coated wires, near these products .
• Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the
performance or reliability of the products.
• Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the
performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to leave
water residues. Otherwise, the insulation performance may be deteriorated.
(2) Precautions for storage
The performance of these products, including the solderability, is guaranteed for a year from the date of arrival at your
company, provided that they remain packed as they were when delivered and stored at a temperature of 5 °C to 35 °
C and a relative humidity of 45 % to 85 %.
Even within the above guarantee periods, do not store these products in the following conditions. Otherwise, their
electrical performance and/or solderability may be deteriorated, and the packaging materials (e.g. taping materials)
may be deformed or deteriorated, resulting in mounting failures.
1. In salty air or in air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2
2. In direct sunlight
<Package markings>
Package markings include the product number, quantity, and country of origin.
In principle, the country of origin should be indicated in English.
Oct. 2007
– ER3 –
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