BU941/BU941P
BU941PFI
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
n NPN DARLINGTON
n INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE
n VERY RUGGED BIPOLAR TECHNOLOGY
n HIGH OPERATING JUNCTION
TEMPERATURE
n WIDE RANGE OF PACKAGES
APPLICATIONS
n HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
INTERNAL SCHEMATIC DIAGRAM
December 1999
for TO-3
Emitter: pin 2
Base: pin1
Collector: tab
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
BU941 BU941P BUB941PFI
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 15 A
I
CM
Collector Peak Current 30 A
IB Base Current 1 A
I
BM
Base Peak Current 5 A
Ptot Total Dissipation at Tc =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
1
2
3
TO-218 ISOWATT218
1
2
3
1
2
TO-3
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