BF421A Datasheet and Replacement
Type Designator: BF421A
Material of Transistor: Si
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 0.8 W
Maximum Collector-Base Voltage |Vcb|: 300 V
Maximum Collector-Emitter Voltage |Vce|: 300 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 0.5 A
Max. Operating Junction Temperature (Tj): 175 °C
Transition Frequency (ft): 70 MHz
Collector Capacitance (Cc): 5 pF
Forward Current Transfer Ratio (hFE), MIN: 50
Noise Figure, dB: -
Package: TO92
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BF421A Datasheet (PDF)
bf421 bf423.pdf

MOTOROLAOrder this documentSEMICONDUCTOR TECHNICAL DATAby BF421/DHigh Voltage TransistorsBF421PNP SiliconBF423COLLECTOR23BASE1EMITTER123MAXIMUM RATINGSRating Symbol BF421 BF423 UnitCASE 2904, STYLE 14TO92 (TO226AA)CollectorEmitter Voltage VCEO 300 250 VdcCollectorBase Voltage VCBO 300 250 VdcEmitterBase Voltage VEBO
bf421 bf423.pdf

DISCRETE SEMICONDUCTORSDATA SHEETbook, halfpageM3D186BF421; BF423PNP high-voltage transistors1996 Dec 09Product specificationSupersedes data of September 1994File under Discrete Semiconductors, SC04Philips Semiconductors Product specificationPNP high-voltage transistors BF421; BF423FEATURES PINNING Low feedback capacitance.PIN DESCRIPTION1 baseAPPLICATIONS2
bf421 bf423 2.pdf

DISCRETE SEMICONDUCTORSDATA SHEETbook, halfpageM3D186BF421; BF423PNP high voltage transistorsProduct specification 2004 Nov 10Supersedes data of 1996 Dec 09Philips Semiconductors Product specificationPNP high voltage transistors BF421; BF423FEATURES PINNING Low feedback capacitance.PIN DESCRIPTION1 baseAPPLICATIONS2 collector Class-B video output stages in
bf421 bf423 1.pdf

DISCRETE SEMICONDUCTORSDATA SHEETbook, halfpageM3D186BF421; BF423PNP high-voltage transistors1996 Dec 09Product specificationSupersedes data of September 1994File under Discrete Semiconductors, SC04Philips Semiconductors Product specificationPNP high-voltage transistors BF421; BF423FEATURES PINNING Low feedback capacitance.PIN DESCRIPTION1 baseAPPLICATIONS2
Datasheet: 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , 2SA1804R , 2SA1805 , 2SA1805O , 2SA1805R , TIP31 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C , 2SA1811 , 2SA1815 , 2SA1815-3 , 2SA1815-4 .
History: AM1011-500 | 9014T | 2SAR543D | NA32LJ | AF427 | UN6215S | PXT2222A
Keywords - BF421A transistor datasheet
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History: AM1011-500 | 9014T | 2SAR543D | NA32LJ | AF427 | UN6215S | PXT2222A



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