Surface Mount Transient Voltage Suppressors
SM8Z Series 10 To 43 V 6600W
Description
The SM8Z series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by lightning
and other transient voltage events.
Working Voltage: 10 to 43 V
Peak Pulse Power: 6600 W
Features
Glass passivated chip
6600 W peak pulse power capability with a
10/1000 us waveform, repetitive rate (duty
cycle):0.01 %
T J = 175 °C capability suitable for high reliability
and automotive requirement
Meets ISO7637-2 surge specification (varied by test
condition)Meet AEC-Q101 requirement
Low leakage
Uni-directional polarity
Excellent clamping capability
Very fast response time
RoHS compliant
Applications
Use in sensitive electronics protection against voltage transients
induced by inductive load switching and lighting, especially for
automotive load dump protection application
Mechanical Data
Case: DO-218AB
Epoxy: UL 94V-0 rate flame retardant
Polarity: Heatsink is anode
Primary Characteristics
VRWM
PPPM (10/1000µs)
PPPM (10/10000µs)
PD
I FSM
T J max.
Package
14V to 43V
6600W
5200W
8W
700A
175°C
DO-218AB
Maximum Ratings and Thermal Characteristics (T A =25 ℃ unless otherwise noted)
Parameter
with 10/1000µs waveform
Peak Pulse Power Dissipation with 10/10000µs waveform
Power Dissipation on Infinite Heat Sink at TL=25°C (Fig.1)
Peak Pulse Current with a 10/1000µs waveform
Peak forward surge current 8.3 ms single half sine Wave
Operating junction and storage temperature range
Typical thermal resistance, junction to case
Symbol
PPPM
PD
I PP
I FSM
T J , T STG
R θJC
Value
6600
5200
8
See Next Table
700
–55 to +175
0.90
Units
W
W
A
A
°C
°C /Watt
Note:(1)Non-repetitive current pulse per Fig.2 and derated above T A = 25 °C per Fig.1
UN Semiconductor Co., Ltd.
Revision April 24, 2018
1/4
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
