BU941Z/BU941ZP
BU941ZPFI
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
n VERY RUGGED BIPOLAR TECHNOLOGY
n BUILT IN CLAMPING ZENER
n HIGH OPERATING JUNCTION
TEMPERATURE
n WIDE RANGE OF PACKAGES
APPLICATIONS
n HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
INTERNAL SCHEMATIC DIAGRAM
January 2000
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
BU941Z BU941ZP BUB941ZPFI
V
CEO
Collector-Emitter Voltage (I
B
= 0) 350 V
VEBO Emitter-Base Voltage (IC =0) 5 V
IC 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
C 180 155 65 W
Tstg Storage Temperature -65 to 200 -65 to 175 -65 to 175
o
C
Tj Max. Operating Junction Temperature 200 175 175
o
C
for TO-3
Emitter: pin 2
Base: pin1
Collector: tab
1
2
3
TO-218 ISOWATT218
1
2
3
1
2
TO-3

1/8