MMBZ18VAL [NEXPERIA]
Low capacitance unidirectional double ESD protection diodeProduction;型号: | MMBZ18VAL |
厂家: | Nexperia |
描述: | Low capacitance unidirectional double ESD protection diodeProduction 二极管 |
文件: | 总11页 (文件大小:208K) |
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MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
12 April 2023
Product data sheet
1. General description
Unidirectional double ElectroStatic Discharge (ESD) protection diode in a common anode
configuration, encapsulated in a SOT23 (TO-236AB) small Surface-Mounted Device (SMD) plastic
package. The device is designed for ESD and transient overvoltage protection of up to two signal
lines.
2. Features and benefits
•
Unidirectional ESD protection of two lines
•
•
•
•
•
•
•
Bidirectional ESD protection of one line
Low diode capacitance: Cd ≤ 90 pF
Rated peak pulse power: PPPM = 40 W
Ultra low leakage current: IRM = 5 nA
ESD protection up to 30 kV (contact discharge)
IEC 61000-4-2; level 4 (ESD)
IEC 61643-321
3. Applications
•
•
•
•
Computers and peripherals
Audio and video equipment
Cellular handsets and accessories
Portable electronics
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRWM
reverse standoff
voltage
Tamb = 25 °C
-
-
14.5
V
Cd
diode capacitance
f = 1 MHz; VR = 0 V; Tamb = 25 °C
-
70
90
pF
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
5. Pinning information
Table 2. Pinning information
Pin
1
Symbol
Description
Simplified outline
Graphic symbol
K1
K2
A
cathode (diode 1)
cathode (diode 2)
common anode
3
3
2
3
1
2
1
2
SOT23
006aaa154
6. Ordering information
Table 3. Ordering information
Type number
Package
Name
Description
Version
SOT23
MMBZ18VAL
SOT23
plastic, surface-mounted package; 3 terminals; 1.9 mm
pitch; 2.9 mm x 1.3 mm x 1 mm body
7. Marking
Table 4. Marking codes
Type number
Marking code[1]
%H3
MMBZ18VAL
[1] % = placeholder for manufacturing site code
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
2 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
8. Limiting values
Table 5. Limiting values
In accordance with the Aboluste Maximum Rating System (IEC 60134)
Symbol
PPPM
IPPM
Parameter
Conditions
Min
Max
40
Unit
W
rated peak pulse power tp = 10/1000 µs
rated peak pulse current
[1] [2]
[1] [2]
[3]
-
-
1.6
A
Ptot
total power dissipation
Tamb ≤ 25 °C
-
265
360
150
150
150
mW
mW
°C
[4]
-
Tj
junction temperature
ambient temperature
storage temperature
-
Tamb
Tstg
-55
-65
°C
°C
ESD maximum ratings
VESD electrostatic discharge
voltage
IEC 61000-4-2 (contact discharge);
Tamb = 25 °C
[5] [2]
-
-
-
-
30
15
8
kV
kV
kV
kV
IEC 61000-4-2 (air discharge);
Tamb = 25 °C
MIL-STD-883; human body model (HBM);
Tamb = 25 °C
machine model; Tamb = 25 °C
[2]
2
[1] In accordance with IEC 61643-321 (10/1000 μs current waveform).
[2] Measured from pin 1 or 2 to pin 3.
[3] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint.
[4] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2.
[5] Device stressed with ten non-repetitive ESD pulses.
006aab319
I
PP
150
100 %
90 %
I
PP
(%)
100 % I ; 10 µs
PP
100
50 % I ; 1000 µs
PP
50
10 %
t
t = 0.6 ns to 1 ns
r
0
0
1.0
2.0
3.0
4.0
30 ns
60 ns
t
(ms)
p
001aaa631
Fig. 1. 10/1000 µs pulse waveform according to IEC
61643-321
Fig. 2. ESD pulse waveform according to
IEC 61000-4-2
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
3 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
9. Thermal characteristics
Table 6. Thermal characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
460
340
50
Unit
K/W
K/W
K/W
Rth(j-a)
thermal resistance from in free air
junction to ambient
[1]
[2]
[3]
-
-
-
-
-
-
Rth(j-sp)
thermal resistance from
junction to solder point
[1] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint.
[2] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2.
[3] Measured from pin 1 or 2 to pin 3.
10. Characteristics
Table 7. Characteristics
Symbol
VF
Parameter
Conditions
Min
Typ
Max
0.9
Unit
V
forward voltage
IF = 10 mA; Tamb = 25 °C
Tamb = 25 °C
-
-
-
-
VRWM
reverse standoff
voltage
14.5
V
VBR
IRM
Cd
breakdown voltage
IR = 1 mA; Tamb = 25 °C
17.1
18
0.1
70
-
18.9
5
V
reverse leakage current VRWM = 14.5 V; Tamb = 25 °C
-
-
-
nA
pF
V
diode capacitance
clamping voltage
f = 1 MHz; VR = 0 V; Tamb = 25 °C
IPPM = 1.6 A; Tamb = 25 °C
90
25
VCL
[1] [2]
[1] In accordance with IEC 61643-321 (10/1000 μs current waveform).
[2] Measured from pin 1 or 2 to pin 3.
006aab320
006aab321
3
10
1.2
P
PPM
P
PPM
(W)
P
PPM(25°C)
2
10
0.8
10
0.4
1
10
0
- 2
- 1
2
3
10
1
10
10
10
(ms)
0
50
100
150
200
t
T (°C)
j
p
Tamb = 25 °C
unidirectional and bidirectional
Fig. 4. Relative variation of rated peak pulse power
as a function of junction temperature; typical
values
Fig. 3. Rated peak pulse power as a function of
exponential pulse duration (rectangular
waveform); typical values
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
4 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
I
I
PPM
I
PP
I
I
R
RM
- V
- V
- V
RWM
V
CL
BR
-V
-V
-V
BR RWM
CL
- I
- I
RM
R
-I
-I
V
V
V
RM
R
RWM BR CL
-
+
-
+
P-N
-I
-I
PP
- I
PP
006aab325
PPM
- I
PPM
006aab324
Fig. 6. V-I characteristics for a bidirectional ESD
protection diode
Fig. 5. V-I characteristics for a unidirectional TVS
protection diode
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
5 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
11. Application information
The device is designed for the protection of up to two unidirectional data lines from the damage
caused by ESD and surge pulses. The device may be used on lines where the signal polarities are
either positive or negative with respect to ground.
line 1 to be protected
line 2 to be protected
line 1 to be protected
ESD protection diode
GND
ESD protection diode
GND
unidirectional protection
of two lines
bidirectional protection
of one line
006aab842
Fig. 7. Typical application: ESD and transient voltage protection of data lines
Circuit board layout and protection device placement
Circuit board layout is critical for the suppression of ESD, Electrical Fast Transient (EFT) and surge
transients. The following guidelines are recommended:
1. Place the device as close to the input terminal or connector as possible.
2. Minimize the path length between the device and the protected line.
3. Keep parallel signal paths to a minimum.
4. Avoid running protected conductors in parallel with unprotected conductors.
5. Minimize all Printed-Circuit Board (PCB) conductive loops including power and ground loops.
6. Minimize the length of the transient return path to ground.
7. Avoid using shared transient return paths to a common ground point.
8. Use ground planes whenever possible. For multilayer PCBs, use ground vias.
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
6 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
12. Package outline
Plastic surface-mounted package; 3 leads
SOT23
B
D
A
E
X
H
E
v
A
3
Q
A
A
1
c
1
2
e
1
b
w
B
L
p
p
e
detail X
0
1
2 mm
scale
Dimensions (mm are the original dimensions)
Unit
A
A
b
c
D
E
e
e
1
H
E
L
p
Q
v
w
1
p
max 1.1 0.1 0.48 0.15 3.0 1.4
nom
2.5 0.45 0.55
2.1 0.15 0.45
mm
1.9 0.95
0.2 0.1
0.9
0.38 0.09 2.8 1.2
min
sot023_po
References
Outline
version
European
projection
Issue date
IEC
JEDEC
JEITA
14-06-19
14-09-22
SOT23
TO-236AB
Fig. 8. Package outline SOT23
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
7 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
13. Soldering
3.3
2.9
1.9
solder lands
solder resist
2
3
1.7
solder paste
occupied area
0.6
0.7
(3×)
(3×)
Dimensions in mm
0.5
(3×)
0.6
(3×)
1
sot023_fr
Fig. 9. Reflow soldering footprint for SOT23
2.2
1.2
(2×)
1.4
(2×)
solder lands
solder resist
2.6
4.6
occupied area
Dimensions in mm
1.4
preferred transport direction during soldering
2.8
4.5
sot023_fw
Fig. 10. Wave soldering footprint for SOT23
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
8 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
14. Revision history
Table 8. Revision history
Data sheet ID
MMBZ18VAL v.3
Modifications:
Release date
20230412
Data sheet status
Change notice
Supersedes
Product data sheet
-
MMBZXAL_SER_2
•
•
Family data sheet reduced to single type data sheet.
Product changed to non-automotive qualification. Please refer to nexperia.com for automotive
(-Q) product alternative(s).
MMBZXAL_SER_2
MMBZXVAL_SER_1
20091210
20080901
Product data sheet
Product data sheet
-
-
MMBZXVAL_SER_1
-
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
9 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
15. Legal information
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Data sheet status
Document status Product
Definition
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
[1][2]
status [3]
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability for
any assistance with applications or customer product design. It is customer’s
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and fit for the customer’s applications and products planned, as well as
for the planned application and use of customer’s third party customer(s).
Customers should provide appropriate design and operating safeguards to
minimize the risks associated with their applications and products.
Preliminary [short]
data sheet
Qualification
Production
This document contains data from
the preliminary specification.
Product [short]
data sheet
This document contains the product
specification.
[1] Please consult the most recently issued document before initiating or
completing a design.
Nexperia does not accept any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
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[2] The term 'short data sheet' is explained in section "Definitions".
[3] The product status of device(s) described in this document may have
changed since this document was published and may differ in case of
multiple devices. The latest product status information is available on
the internet at https://www.nexperia.com.
Definitions
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those
given in the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is
intended for quick reference only and should not be relied upon to contain
detailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
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data sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and customer have explicitly
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Limited warranty and liability — Information in this document is believed
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or completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no responsibility
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Non-automotive qualified products — Unless this data sheet expressly
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In no event shall Nexperia be liable for any indirect, incidental, punitive,
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or replacement of any products or rework charges) whether or not such
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In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards,
customer (a) shall use the product without Nexperia’s warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
Nexperia’s specifications such use shall be solely at customer’s own risk,
and (c) customer fully indemnifies Nexperia for any liability, damages or failed
product claims resulting from customer design and use of the product for
automotive applications beyond Nexperia’s standard warranty and Nexperia’s
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Notwithstanding any damages that customer might incur for any reason
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specifications and product descriptions, at any time and without notice. This
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Trademarks
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©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
10 / 11
Nexperia
MMBZ18VAL
Low capacitance unidirectional double ESD protection diode
Contents
1. General description......................................................1
2. Features and benefits.................................................. 1
3. Applications.................................................................. 1
4. Quick reference data....................................................1
5. Pinning information......................................................2
6. Ordering information....................................................2
7. Marking..........................................................................2
8. Limiting values............................................................. 3
9. Thermal characteristics............................................... 4
10. Characteristics............................................................4
11. Application information..............................................6
12. Package outline.......................................................... 7
13. Soldering..................................................................... 8
14. Revision history..........................................................9
15. Legal information......................................................10
© Nexperia B.V. 2023. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 12 April 2023
©
MMBZ18VAL
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2023. All rights reserved
Product data sheet
12 April 2023
11 / 11
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