BF421 Equivalents and Alternates

BF421 FFF Equivalents (1)

The Form Fit Function (FFF) results will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts.

Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number	Manufacturer	Composite Price	Description
BF421	TDK Micronas GmbH	Check for Price	Small Signal Bipolar Transistor, 1-Element, PNP, Silicon, TO-92

BF421 Functional Equivalents (4)

The Functional Equivalents tab will give you options that are likely to match the same function of BF421, but it may not fit your design.

Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number	Manufacturer	Composite Price	Description
BF421	Motorola Semiconductor Products	Check for Price	Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
BF421	NXP Semiconductors	Check for Price	Small Signal Bipolar Transistor, 0.05A I(C), 300V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
BF421	Vishay Semiconductors	Check for Price	Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, PNP, Silicon, TO-92
BF421	Continental Device India Ltd	Check for Price	Small Signal Bipolar Transistor, 0.5A I(C), 1-Element, PNP, Silicon, TO-92

BF421 Datasheets (58)

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Part	Manufacturer	Description	Datasheet Type	PDF	PDF Size	Page count
BF421	General Semiconductor	Small Signal Transistors (PNP)	Original	PDF	38.9KB	2
BF421	Korea Electronics	High Voltage Transistor	Original	PDF	42.9KB	3
BF421	Motorola	High Voltage Transistors(PNP)	Original	PDF	121.85KB	4
BF421	NXP Semiconductors	PNP high voltage transistors - Complement: BF420 ; fT min: 60 MHz; hFE max:>50 ; hFE min: 50 ; I_C max: 50 mA; Polarity: PNP ; Ptot max: 830 mW; VCEO max: 300 V	Original	PDF	46.4KB	6
BF421	On Semiconductor	High Voltage Transistor PNP	Original	PDF	53.33KB	4
BF421	Philips Semiconductors	Rectifier diodes schottky barrier	Original	PDF	29.83KB	5
BF421	Philips Semiconductors	Small-signal Transistors	Original	PDF	4.4KB	1
BF421	Philips Semiconductors	PNP High-Voltage Transistor	Original	PDF	46.57KB	8
BF421	Siemens	RF-Transistors, MMICs, RF-Diodes, AF-Diodes, AF-Schottky Diodes and RF-Schottky Diodes Guide	Original	PDF	465.63KB	37
BF421	Siemens	Transistor / Diode Selection Guide	Original	PDF	27.22KB	3
BF421	Siemens	Cross Reference Guide 1998	Original	PDF	27.35KB	7
BF421	Siemens	NPN Silicon Transistors With High Reverse Voltage	Original	PDF	138.65KB	4
BF421	Siemens	PNP Silicon Transistors (High breakdown voltage Low collector-emitter saturation voltage)	Original	PDF	127.16KB	4
BF421	STMicroelectronics	SMALL SIGNAL PNP TRANSISTOR	Original	PDF	36.85KB	4

BF421	STMicroelectronics	SMALL SIGNAL PNP TRANSISTOR	Original	PDF	59.72KB	5
BF421	Transys Electronics	PNP SILICON PLANAR EPITAXIAL HIGH VOLTAGE VIDEO TRANSISTORS	Original	PDF	83.55KB	3
BF421	Various Russian Datasheets	Transistor	Original	PDF	84.39KB	8
BF421	Continental Device India	Semiconductor Device Data Book 1996	Scan	PDF	99.56KB	1
BF421	Continental Device India	TO-92 PNP Plastic Package Transistors	Scan	PDF	241.26KB	2
BF421	Korea Electronics	SILICON PNP TRIPLE DIFFUSED TYPE	Scan	PDF	392.29KB	3

BF421 Price and Stock

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Coilcraft Inc 0805USBF-421MRC CMC 500MA 2LN 140 OHM SMD
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	0805USBF-421MRC		1,355		1	1 $0.96 10 $0.96 100 $0.96 1000 $0.59 10000 $0.59	Buy Now
Vyrian	0805USBF-421MRC		16,622			1 - 10 - 100 - 1000 - 10000 -	Get Quote
PEI-GENESIS CA3106E24-28SBF42-15 CA-BAYONET
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	CA3106E24-28SBF42-15		384		1	1 $165.76 10 $104.37 100 $54.19 1000 $54.19 10000 $54.19	Buy Now
PEI-GENESIS CA3106E24-28PBF42-15 CONN PLUG 24POS INLINE W/PINS
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	CA3106E24-28PBF42-15	Bag	85		1	1 $162.54 10 $102.34 100 $53.14 1000 $53.14 10000 $53.14	Buy Now
Micro Commercial Components BF421-BP TRANS PNP 300V 0.1A TO-92
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BF421-BP	Bulk				1 - 10 - 100 - 1000 - 10000 -	Buy Now
onsemi BF421ZL1 TRANS PNP 300V 0.05A TO92
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BF421ZL1	Ammo Pack			16,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Quest Components	BF421ZL1		1,440			1 $0.54 10 $0.54 100 $0.24 1000 $0.16 10000 $0.16	Buy Now

Find more BF421 price and stock on Findchips.com

BF421 Datasheets Context Search

Catalog Datasheet	Type	Document Tags	PDF
BF420 Abstract: BF421 Contextual Info: BF421 SMALL SIGNAL PNP TRANSISTOR PRELIMINARY DATA • ■ ■ Type Marking BF421 BF421 SILICON EPITAXIAL PLANAR PNP HIGH VOLTAGE TRANSISTOR TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY THE NPN COMPLEMENTARY TYPE IS BF420 APPLICATIONS VIDEO AMPLIFIER CIRCUITS RGB	Original	BF421 BF420 BF420 BF421	PDF
BF421 Abstract: BF423 Contextual Info: ON Semiconductort BF421 BF423 High Voltage Transistors PNP Silicon MAXIMUM RATINGS Rating Symbol BF421 BF423 Unit Collector–Emitter Voltage VCEO –300 –250 Vdc Collector–Base Voltage VCBO –300 –250 Vdc Emitter–Base Voltage VEBO –5.0 Vdc Collector Current — Continuous	Original	BF421 BF423 226AA) r14525 BF421/D BF421 BF423	PDF
BF421 Abstract: hFE kec transistor Bf421 Contextual Info: SEMICONDUCTOR BF421 MARKING SPECIFICATION TO-92 PACKAGE 1. Marking method Laser Marking 816 1 2 K BF421 2. Marking 3 4 No. Item Marking Description KEC K KEC CORPORATION Lot No. 816 Device Name hFE Grade 2005. 4. 18 Revision No : 0 BF421 8 Year 0~9 : 2000~2009	Original	BF421 BF421 hFE kec transistor Bf421	PDF
Contextual Info: BF421 SMALL SIGNAL PNP TRANSISTOR PRELIMINARY DATA • ■ ■ Type Marking BF421 BF421 SILICON EPITAXIAL PLANAR PNP HIGH VOLTAGE TRANSISTOR TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY THE NPN COMPLEMENTARY TYPE IS BF420 APPLICATIONS VIDEO AMPLIFIER CIRCUITS RGB	Original	BF421 BF420	PDF
Contextual Info: MCC Micro Commercial Components Features • • • • • Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information Capable of 0.83Watts of Power Dissipation. Collector-current 0.1A Collector-base Voltage: BF421 300V	Original	BF421 BF423 83Watts BF421 BF423 -55OC	PDF
Contextual Info: MCC TM Micro Commercial Components Features • Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information Capable of 0.83Watts of Power Dissipation. Collector-current 0.1A Collector-base Voltage: BF421 300V BF423 250V	Original	BF421 BF423 83Watts BF423 -55OC	PDF
Contextual Info: MCC Features • • • Capable of 0.83Watts of Power Dissipation. Collector-current 0.1A Collector-base Voltage: BF421 300V BF423 250V Operating and storage junction temperature range: -55OC to +150 OC • BF421 BF423 omponents 20736 Marilla Street Chatsworth	Original	BF421 BF423 83Watts BF423 -55OC 100uAdc,	PDF
transistor BF423 Contextual Info: MCC TM Micro Commercial Components Features • • • Capable of 0.83Watts of Power Dissipation. Collector-current 0.1A Collector-base Voltage: BF421 300V BF423 250V Operating and storage junction temperature range: -55OC to +150 OC • • Case Material: Molded Plastic.	Original	BF421 BF423 83Watts BF423 -55OC 100uAdc, transistor BF423	PDF
Contextual Info: MCC Micro Commercial Components Features • Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information Capable of 0.83Watts of Power Dissipation. Collector-current 0.1A Collector-base Voltage: BF421 300V BF423 250V Operating and storage junction temperature range: -55OC to +150 OC	Original	BF421 BF423 83Watts BF423 -55OC	PDF
Contextual Info: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors BF420 BF422 TRANSISTOR NPN TO-92 1. EMITTER FEATURES z Low feedback capacitance. z NPN transistors in a TO-92 plastic package. PNP complements: BF421 and BF423 z Class-B video output stages in colour	Original	BF420 BF422 BF421 BF423	PDF
Contextual Info: N AUER PHILIPS/DISCRETE bSE D bbsa^ai □ D27bBL bSb IAPX D r BF422 SILICON EPITAXIAL TRANSISTORS N-P-N transistors in plastic TO-92 envelope primarily intended fo r class-B video output stages in colour television and professional monitor equipment. P-N-P complements are BF421 and BF423.	OCR Scan	D27bBL BF422 BF421 BF423. BF420 0027bflfl	PDF
BF423 Abstract: BF421 BF421ZL1 BF421ZL1G BF423G BF423ZL1 BF423ZL1G Contextual Info: BF421, BF423 High Voltage Transistors PNP Silicon Features • Pb−Free Packages are Available* http://onsemi.com COLLECTOR 2 MAXIMUM RATINGS Rating Symbol BF421 BF423 Unit Collector −Emitter Voltage VCEO −300 −250 Vdc Collector −Base Voltage VCBO	Original	BF421, BF423 BF421 BF421/D BF423 BF421 BF421ZL1 BF421ZL1G BF423G BF423ZL1 BF423ZL1G	PDF
BF420S Abstract: BF420 Contextual Info: BF420 SMALL SIGNAL NPN TRANSISTOR PRELIMINARY DATA • ■ ■ Type Marking BF420 BF420 SILICON EPITAXIAL PLANAR NPN HIGH VOLTAGE TRANSISTOR TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY THE PNP COMPLEMENTARY TYPE IS BF421 APPLICATIONS VIDEO AMPLIFIER CIRCUITS RGB	Original	BF420 BF421 BF420S BF420	PDF
BF422 Abstract: bf420 Contextual Info: BF420/BF422 NPN TO-92 Bipolar Transistors TO-92 1. EMITTER 2. COLLECTOR 3. BASE Features Low feedback capacitance. NPN transistors in a TO-92 plastic package. PNP complements: BF421 and BF423 Class-B video output stages in colour television and professional monitor equipment.	Original	BF420/BF422 BF421 BF423 BF420 -65to150 BF422	PDF

Contextual Info: SEMICONDUCTOR BF421 TECHNICAL DATA SILICON PNP TRIPLE DIFFUSED TYPE HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. FEATURES ・High Voltage : VCEO>-300V ・Complementary to BF420. MAXIMUM RATING Ta=25℃ CHARACTERISTIC	Original	BF421 -300V BF420. -200V, -25mA -30mA, -10mA	PDF
to92c Contextual Info: Transistors For complete package outlines, refer to pages PO-1 through PO-6 High Voltage Transistors Typ e M axim um Ratings N=NPN P=PNP BF420 BF421 BF422 BF423 BFP22 BFP23 BFP25 BFP26 N P N P N P N P V CEO V 'c m.\ Pt mW 300 300 250 250 200 200 300 300 50	OCR Scan	BF420 BF421 BF422 BF423 BFP22 BFP23 BFP25 BFP26 O-92d to92c	PDF
BF420 Abstract: BF421 Contextual Info: K EC KOREA ELECTRONICS CO.,LTD. SEMICONDUCTOR TECHNICAL DATA BF421 SILICON PNP TRIPLE DIFFUSED TYPE HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. FEATURES • High Voltage : Vceo>- 300V • Complementary to BF420. MAXIMUM RATINGS Ta=25°C	OCR Scan	BF421 BF420. BF420 BF421	PDF
BF421 Abstract: BF421L Contextual Info: 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 higher power rating (830 mW) under type numbers: BF421 and BF423.	OCR Scan	BF421 BF423. BF421L; BF423L BF420L BF422L. BF421L BF423L	PDF
BF423 Contextual Info: 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 colour television and professional monitor equipment.	OCR Scan	BF420 BF422. BF421 BF423 BF421 BF423	PDF
F421L Abstract: f423l Transistor F423 Contextual Info: DISCRETE SEMICONDUCTORS BF421L; BF423L PNP high-voltage transistors 1999 Apr 21 Product specification Supersedes data of 1997 Apr 18 Philips Semiconductors PHILIPS PHILIPS Philips Semiconductors Product specification PNP high-voltage transistors BF421L; BF423L	OCR Scan	BF421L; BF423L BF423. BF423L BF422L. SCA63 5002/00/02/pp8 F421L f423l Transistor F423	PDF
BF423 Abstract: bf421 philips BF420 BF421 BF422 SC-43A BF423 philips Contextual Info: DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF421; BF423 PNP high voltage transistors Product specification Supersedes data of 1996 Dec 09 2004 Nov 10 Philips Semiconductors Product specification PNP high voltage transistors BF421; BF423 FEATURES	Original	M3D186 BF421; BF423 BF420 BF422. MAM285 SCA76 R75/03/pp6 BF423 bf421 philips BF421 BF422 SC-43A BF423 philips	PDF
Contextual Info: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors BF421 BF423 TRANSISTOR （PNP） TO—92 FEATURES Power dissipation PCM: 0.625W （Tamb=25℃） Collector current ICM: -50mA Collector-base voltage V BR CBO : BF421 -300 V	Original	BF421 BF423 -50mA -10mA 270TYP 050TYP	PDF
BF423 Abstract: M3D186 BF421 BF420 BF422 transistor BF423 BF421 Philips Contextual Info: DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF421; BF423 PNP high-voltage transistors Product specification Supersedes data of September 1994 File under Discrete Semiconductors, SC04 1996 Dec 09 Philips Semiconductors Product specification PNP high-voltage transistors	Original	M3D186 BF421; BF423 BF420 BF422. MAM285 BF423 M3D186 BF421 BF422 transistor BF423 BF421 Philips	PDF
BF420 Abstract: BF421 Contextual Info: BF420 SMALL SIGNAL NPN TRANSISTOR PRELIMINARY DATA • ■ ■ Type Marking BF420 BF420 SILICON EPITAXIAL PLANAR NPN HIGH VOLTAGE TRANSISTOR TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY THE PNP COMPLEMENTARY TYPE IS BF421 APPLICATIONS VIDEO AMPLIFIER CIRCUITS RGB	Original	BF420 BF421 BF420 BF421	PDF

BF421 Search Results

BF421 FFF Equivalents (1)

BF421 Functional Equivalents (4)

BF421 Datasheets (58)

BF421 Price and Stock

Coilcraft Inc 0805USBF-421MRC

PEI-GENESIS CA3106E24-28SBF42-15

PEI-GENESIS CA3106E24-28PBF42-15

Micro Commercial Components BF421-BP

onsemi BF421ZL1

BF421 Datasheets Context Search

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