SM4Z40A 查看數據表（PDF） - UN Semiconducctor INC
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SM4Z40A Datasheet PDF : 4 Pages
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Surface Mount Transient Voltage Suppressors
The SM4Z series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by lightning
and other transient voltage events.
Working Voltage: 15 to 43 V
They provide a clamping voltage lower than the avalanche
voltage. Therefore, any voltage rise due to increased current
conduction is contained to a minimum, providing the best
possible protection level. They can also be connected in series
and/or parallel to create very high capacity protection solutions.
Peak power dissipation 4400W @10 x 1000 us Pulse.
Glass passivated chip junction .
Low leakage
Excellent clamping capability
Available in uni-directional polarity only
TJ = 175 ° C capability suitable for high reliability and
automotive requirement
Meet with ISO 7637-2,ISO 16750,etc
Halogen free and RoHS compliant
Use in sensitive electronics protection against voltage transients
induced by inductive load switching and lighting, especially for
automotive load dump protection application
CASE: SOD-BLOCK Molded Plastic over glass
passivated junction
Polarity: Heatsink is Anode
Terminal: Solder plated
Parameter
Peak power dissipation with a 10/1000us waveform
Power Dissipation on Infinite Heat Sink at TL=75°C
Peak pulse current with a 10/1000us waveform
Operating junction and storage temperature range
Peak forward surge current, 8.3ms single half sine-wave
Symbol
PPPM
PD
I PP
T J , T STG
IFSM
Value
4400
6.0
See Next Table
–55 to +150
500
Units
W
W
A
°C
A
Revision April 24, 2018
1/4
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
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