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BF421 Datasheet, PDF (1/4 Pages) Motorola, Inc – High Voltage Transistors(PNP)
PNP Silicon Transistors
With High Reverse Voltage
q High breakdown voltage
q Low collector-emitter saturation voltage
q Low capacitance
q Complementary types: BF 420, BF 422 (NPN)
BF 421
BF 423
2
3
1
Type
BF 421
BF 423
Marking
–
Ordering Code
Q62702-F532
Q62702-F496
Pin Configuration
1
2
3
E
C
B
Package1)
TO-92
Maximum Ratings
Parameter
Symbol Values
BF 421
Collector-emitter voltage
VCE0
–
Collector-emitter voltage
RBE = 2.7 k
VCER
300
Collector-base voltage
VCB0
300
Emitter-base voltage
VEB0
Collector current
IC
Peak base current
IBM
Total power dissipation, TC = 88 ˚C Ptot
Junction temperature
Tj
Storage temperature range
Tstg
BF 423
250
–
250
5
50
100
830
150
– 65 … + 150
Thermal Resistance
Junction - ambient
Junction - case2)
Rth JA
Rth JC
≤ 150
≤ 75
Unit
V
mA
mW
˚C
K/W
1) For detailed information see chapter Package Outlines.
2) Mounted on Al heat sink 15 mm × 25 mm × 0.5 mm.
Semiconductor Group
1
5.91