bf421_bf423.pdf part of Siemens bf421 bf423 bf421_bf423.pdf, . Electronic Components Datasheets Active components Transistors Siemens bf421

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PNP Silicon Transistors BF 421
With High Reverse Voltage BF 423

q High breakdown voltage
q Low collector-emitter saturation voltage
q Low capacitance
q Complementary types: BF 420, BF 422 (NPN)
2

3
1

Type Marking Ordering Code Pin Configuration Package1)
1 2 3
BF 421