SMAJ400CA
Technical Data
Data Sheet N1868, Rev. A
SMAJ400CA SURFACE MOUNT
TRANSIENT VOLTAGE SUPPRESSOR
Features
For surface mounted applications in order to optimize
board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Excellent clamping capability
Repetition rate (duty cycle): 0.01%
High temperature soldering: 250°C/10 seconds at terminals
Plastic package has Underwriters Laboratory
Flammability Classification 94 V-O
SMA
Mechanical Data
Case: SMA Low Profile Molded Plastic
Terminals: Solder Plated , Solderable per MIL-STD-750, Method 2026
Mounting Position: Any
Polarity: Bipolar
Weight:0.064 grams(approx.)
Maximum Ratings and Thermal Characteristics
@T
A
=25°C unless otherwise specified
Characteristic
Junction Temperature Range
Storage Temperature Range
Peak Pulse Power (with 10/1000μs waveform)
(Fig.1)(Note 1), (Note 2)
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Note: 1. Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2.
2. Mounted on Copper Pad area of 5.0x5.0 mm to each terminal.
Symbol
T
J
T
STG
P
PPM
R
θJL
R
θJA
Value
-65 to +150
-65 to +150
400
30
120
Unit
°C
°C
W
°C/W
°C/W
Ordering Information
Device
SMAJ400CA
SMA (Pb-Free)
Marking Diagram
5000pcs / reel
Package
Shipping
Where XXXXX is YYWWL
UK
YY
WW
L
= Marking code
= Year
= Week
= Lot Number
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our tape and reel
packaging specification.
Cautions：Molding
resin
Epoxy resin UL:94V-0
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SMAJ400CA
Technical Data
Data Sheet N1868, Rev. A
Electrical Characteristics
@T
A
=25°C unless otherwise specified
Reverse
Stand off
Voltage
V
R
(Volts)
SMAJ400CA
UK
400
Part
Number
Marking
code
Breakdown
Voltage V
BR
(Volts)
@ I
T
MIN.
447
Test
Current
I
T
(mA)
1
Maximum
Clamping
Voltage V
C
@ Ipp
(Volts)
648
Maximum
Peak Pulse
Current
Ipp
(A)
0.6
Maximum
Reverse
Leakage
I
R
@V
R
(μA)
1
MAX.
494
Ratings and Characteristics Curves
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SMAJ400CA
Technical Data
Data Sheet N1868, Rev. A
Mechanical Dimensions SMA(Inches/Millimeters)
SMA/DO-214AC
Dim.
A
B
C
D
E
F
G
H
Min.
2.40
3.99
1.05
0.15
4.80
1.90
0.05
Max.
2.90
4.75
1.70
0.51
5.66
2.95
0.203
Min.
0.094
0.157
0.041
0.006
0.189
0.075
0.002
Max.
0.114
0.187
0.067
0.020
0.223
0.116
0.008
0.76
1.52
In mm
0.030
0.600
In inch
Carrier Tape Specification SMA
SYMBOL
A
B
C
d
E
F
P
P0
P1
T
W
2.97
5.70
2.32
1.40
1.40
5.60
3.90
3.90
1.90
0.25
11.80
Millimeters
Min.
Max.
3.17
5.90
2.52
1.60
1.60
5.70
4.10
4.10
2.10
0.35
12.20
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SMAJ400CA
Technical Data
Data Sheet N1868, Rev. A
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the SMC - Sangdest Microelectronics (Nanjing) Co., Ltd sales
department for the latest version of the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement .
3- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any damages that may result from an accident or
any other cause during operation of the user’s units according to the datasheet(s). SMC - Sangdest Microelectronics (Nanjing) Co., Ltd
assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information,
products or circuits described in the datasheets.
4- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any failure in a semiconductor device or any
secondary damage resulting from use at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC - Sangdest Microelectronics
(Nanjing) Co., Ltd.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC
- Sangdest Microelectronics (Nanjing) Co., Ltd.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will
hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third
party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and
regulations..
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