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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 āV CBO āV CBO 300 250 V V Collector-Emitter VoltageBF823āV CEO 250V Collector-Emitter VoltageBF821āV CER 300V Emitter-Base VoltageāV EBO 5V Collector CurrentāI C 50mA Peak Collector CurrentāI CM 100mA Power Dissipation at T SB = 50 Ā°CP tot 300 1) mW Junction TemperatureT j 150Ā°C Storage Temperature RangeT S ā65 to +150Ā°C 1) Device on fiberglass substrate, see layout Marking code BF821 = 1W BF823 = 1Y ā¦ ā¦ BF821, BF823
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