All Transistors. BF421A Datasheet

 

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)

 9.1. Size:119K  motorola
bf421 bf423.pdf pdf_icon

BF421A

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

 9.2. Size:48K  philips
bf421 bf423.pdf pdf_icon

BF421A

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

 9.3. Size:51K  philips
bf421 bf423 2.pdf pdf_icon

BF421A

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

 9.4. Size:62K  philips
bf421 bf423 1.pdf pdf_icon

BF421A

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: BF419 , BF420 , BF420A , BF420L , BF420P , BF420P3 , BF420S , BF421 , 2SC2482 , BF421L , BF421P , BF421P3 , BF421S , BF422 , BF422A , BF422L , BF422P .

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