廬
ST931ZT
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
s
s
s
VERY RUGGED BIPOLAR TECHNOLOGY
BUILT IN CLAMPING ZENER
HIGH OPERATING JUNCTION
TEMPERATURE
APPLICATIONS
s
HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
DESCRIPTION
The ST931ZT is specifically designed for
automotive electronic ignition.
The built in clamping Zener is characterized with
tight voltage spread range (350V to 500V).
3
1
2
TO-220
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CEO
V
EBO
I
C
I
CM
I
B
I
BM
P
tot
T
stg
T
j
Parameter
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Collector Peak Current
Base Current
Base Peak Current
Total Dissipation at T
c
= 25
o
C
Storage Temperature
Max. Operating Junction Temperature
Value
350
5
10
15
1
5
125
-65 to 175
175
Unit
V
V
A
A
A
A
W
o
o
C
C
March 1999
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