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ambient temperature unless otherwise specified Pin configuration 1 = Base, 2 = Emitter, 3 = Collector. SOT-23 4/98 PNP Silicon Epitaxial Planar Transistors especially suited for application in class- B video output stages of TV receivers and monitors. As complementary types, the NPN tran- sistors BF820 and BF822 are recommended. SymbolValueUnit Collector-Base VoltageBF821 BF823 –V CBO –V CBO 300 250 V V Collector-Emitter VoltageBF823–V CEO 250V Collector-Emitter VoltageBF821–V CER 300V Emitter-Base Voltage–V EBO 5V Collector Current–I C 50mA Peak Collector Current–I CM 100mA Power Dissipation at T SB = 50 °CP tot 300 1) mW Junction TemperatureT j 150°C Storage Temperature RangeT S –65 to +150°C 1) Device on fiberglass substrate, see layout Marking code BF821 = 1W BF823 = 1Y ♦ ♦ BF821, BF823