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BU931/BU931P
BU931PFI
HIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON
s VERY RUGGED BIPOLAR TECHNOLOGY
s HIGH OPERATING JUNCTION
TEMPERATURE
s WIDE RANGE OF PACKAGES
TO-3
APPLICATIONS
s HIGH RUGGEDNESS ELECTRONIC 1
IGNITIONS 2
3 3
2 2
TO-218 1 ISOWATT218 1
INTERNAL SCHEMATIC DIAGRAM
for TO-3
Emitter: pin 2
Base: pin1
Collector: tab
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Uni t
BU931 BU931P BU931PFI
V CES Collector-Emitter Voltage (V BE = 0) 500 V
V CEO Collector-Emitter Voltage (I B = 0) 400 V
V EBO Emitter-Base Voltage (I C = 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
P t ot Total Dissipation at T c = 25 oC 175 135 60 W
o
T stg Storage Temperature -65 to 200 -65 to 175 -65 to 175 C
o
Tj Max. O perating Junction Temperature 200 175 175 C
September 1997 1/8
BU931/BU931P/BU931PFI
THERMAL DATA
TO-3 TO-218 ISOW ATT 218
o
R t hj-ca se Thermal Resistance Junction-case Max 1 1.1 2.5 C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symb ol Parameter Test Cond ition s Min. Typ . Max. Un it
I CES Collector Cut-off V CE = 500 V 100