BU931
BU931P
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
n VERY RUGGED BIPOLAR TECHNOLOGY
n HIGH OPERATING JUNCTION
TEMPERATURE
n WIDE RANGE OF PACKAGES
APPLICATIONS
n HIGH RUGGEDNESS ELECTRONIC
IGNITIONS

INTERNAL SCHEMATIC DIAGRAM
September 1999
for TO-3
Emitter: pin 2
Base: pin1
Collector: tab
1
2
3
TO-3 TO-218
1
2
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
BU931 BU931P
V
CES
Collector-Emitter Voltage (V
BE
= 0) 500 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 400 V
VEBO Emitter-Base Voltage (IC =0) 5 V
I
C
Collector Current 15 A
ICM Collector Peak Current 30 A
I
B
Base Current 1 A
IBM Base Peak Current 5 A
P
tot
Total Dissipation at T
c
=25
o
C1735W
stg Storage Temperature -65 to 200 -65 to 175
o
C
T
j
Max. Operating Junction Temperature 200 175
o
C
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