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SMAJ18A/SMAJ18CA

Description
TVS diodes SMAJ18A/SMAJ18CA, SMA/DO-214AC package, peak pulse power 400W, are used in overvoltage protection of sensitive electronic parts, covering automotive electronics, consumer electronics, industrial equipment, household appliances, communication equipment and other fields.
File Size1MB,4 Pages
ManufacturerDowosemi
Websitehttp://www.dowosemi.cn
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SMAJ18A/SMAJ18CA Overview

TVS diodes SMAJ18A/SMAJ18CA, SMA/DO-214AC package, peak pulse power 400W, are used in overvoltage protection of sensitive electronic parts, covering automotive electronics, consumer electronics, industrial equipment, household appliances, communication equipment and other fields.

SMAJ Series
Working Voltage: 5.0 to 440 V
Peak Pulse Power: 400 W
Features
Surface Mount
Transient Voltage Suppressors
SMA/ DO-214AC
0.064 1.63
0.049 1.23
0.109 2.76
0.099 2.51
Glass passivated chip
400 W peak pulse power capability with a
10/1000 μs waveform, repetitive rate (duty
cycle):0.01 %
Low leakage
Uni and Bidirectional unit
Excellent clamping capability
Very fast response time
RoHS compliant
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method
2026
Polarity: Color band denotes cathode end
except Bipolar
Mounting position: Any
[ ]
[ ]
0.179 4.55
0.162 4.10
[ ]
0.012 0.30
0.006 0.15
Mechanical Data
0.089 2.26
0.077 1.96
[ ]
0.06 1.51
0.03 0.75
[ ]
[ ]
0.206 5.22
0.192
[
4.87
]
0.008 0.20
0.001 0.02
[ ]
Dimensions : inch [ mm ]
Maximum Ratings(T
A
=25℃ unless otherwise noted)
Parameter
Peak power dissipation with a 10/1000μs waveform
(1)
Peak pulse current with a 10/1000μs waveform
(1)
Power dissipation on infinite heatsink at T
L
= 75 °C
Peak forward surge current, 8.3 ms single half sine-
wave unidirectional only
(2)
Maximum instantaneous forward voltage at 25 A for
unidirectional only
(3)
Operating junction and storage temperature range
Note:
(1)Non-repetitive current pulse per Fig.5 and derated above T
A
= 25 °C per Fig.1
(2)Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
(3)V
F
<3.5V for devices of V
BR
<200V and V
F
<5.0V for devices of V
BR
>201V
Value
Symbol
P
PP
400
I
PP
See Next Table
P
D
1.0
I
FSM
V
F
T
J
, T
STG
40
3.5/5.0
- 55 to +150
Unit
W
A
W
A
V
°C
www.dowosemi.cn
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