BF421A PDF and Equivalents Search

 

BF421A Specs and Replacement


   Type Designator: BF421A
   Material of Transistor: Si
   Polarity: PNP

Absolute Maximum Ratings


   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

Electrical Characteristics


   Transition Frequency (ft): 70 MHz
   Collector Capacitance (Cc): 5 pF
   Forward Current Transfer Ratio (hFE), MIN: 50
   Noise Figure, dB: -
   Package: TO92
 

 BF421A Substitution

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BF421A datasheet

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

BF421A

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

BF421A

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

BF421A

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 ⇒

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

BF421A

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 ⇒

Detailed specifications: BF419 , BF420 , BF420A , BF420L , BF420P , BF420P3 , BF420S , BF421 , 2N2907 , BF421L , BF421P , BF421P3 , BF421S , BF422 , BF422A , BF422L , BF422P .

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