BU931T
BUB931T
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTONS
n VERY RUGGED BIPOLAR TECHNOLOGY
n HIGH OPERATING JUNCTION
TEMPERATURE
n WIDE RANGE OF PACKAGES
n SURFACE-MOUNTING D2PAK (TO-263)
POWER PACKAGE IN TUBE (NO SUFFIX)
OR IN TAPE & REEL (SUFFIX ”T4”)
APPLICATIONS
n HIGH RUGGEDNESS ELECTRONIC
IGNITIONS

INTERNAL SCHEMATIC DIAGRAM
January 1999
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
CES
Collector-Emitter Voltage (V
BE
= 0) 500 V
VCEO Collector-Emitter Voltage (IB = 0) 400 V
VEBO Emitter-Base Voltage (IC =0) 5 V
IC Collector Current 10 A
ICM Collector Peak Current 15 A
I
B
Base Current 1 A
I
BM
Base Peak Current 5 A
P
tot
Total Dissipation at T
c
=25
o
C 125 W
T
stg
Storage Temperature -65 to 175
o
C
T
j
Max. Operating Junction Temperature 175
o
C
1
3
TO-220 D2PAK
TO-263
1
2
3
1/7