BF421L Datasheet. Specs and Replacement

Type Designator: BF421L  📄📄 

Material of Transistor: Si

Polarity: PNP

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.625 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

Electrical Characteristics

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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BF421L datasheet

 ..1. Size:47K  philips

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BF421L

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF421L; BF423L PNP high-voltage transistors 1999 Apr 21 Product specification Supersedes data of 1997 Apr 18 Philips Semiconductors Product specification PNP high-voltage transistors BF421L; BF423L FEATURES PINNING Low current (max. 50 mA) PIN DESCRIPTION High voltage (max. 300 V) 1 base Available with a highe... See More ⇒

 9.1. Size:119K  motorola

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BF421L

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by BF421/D High Voltage Transistors BF421 PNP Silicon BF423 COLLECTOR 2 3 BASE 1 EMITTER 1 2 3 MAXIMUM RATINGS Rating Symbol BF421 BF423 Unit CASE 29 04, STYLE 14 TO 92 (TO 226AA) Collector Emitter Voltage VCEO 300 250 Vdc Collector Base Voltage VCBO 300 250 Vdc Emitter Base Voltage VEBO ... See More ⇒

 9.2. Size:48K  philips

bf421 bf423.pdf pdf_icon

BF421L

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF421; BF423 PNP high-voltage transistors 1996 Dec 09 Product specification Supersedes data of September 1994 File under Discrete Semiconductors, SC04 Philips Semiconductors Product specification PNP high-voltage transistors BF421; BF423 FEATURES PINNING Low feedback capacitance. PIN DESCRIPTION 1 base APPLICATIONS 2... See More ⇒

 9.3. Size:51K  philips

bf421 bf423 2.pdf pdf_icon

BF421L

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF421; BF423 PNP high voltage transistors Product specification 2004 Nov 10 Supersedes data of 1996 Dec 09 Philips Semiconductors Product specification PNP high voltage transistors BF421; BF423 FEATURES PINNING Low feedback capacitance. PIN DESCRIPTION 1 base APPLICATIONS 2 collector Class-B video output stages in... See More ⇒

Detailed specifications: BF420, BF420A, BF420L, BF420P, BF420P3, BF420S, BF421, BF421A, MPSA42, BF421P, BF421P3, BF421S, BF422, BF422A, BF422L, BF422P, BF422P3

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