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NPN Silicon Transistors With High Reverse Voltage
High breakdown voltage q Low collector-emitter saturation voltage q Low capacitance q Complementary types: BF 421, BF 423 (PNP)
q
BF 420 BF 422
2 3 1
Type BF 420 BF 422
Marking –
Ordering Code Q62702-F531 Q62702-F495
Pin Configuration 1 2 3 E C B
Package1) TO-92
Maximum Ratings Parameter Collector-emitter voltage Collector-emitter voltage RBE = 2.