BF421 datasheet(1/5 Pages) STMICROELECTRONICS

No de pièce	BF421

Description	SMALL SIGNAL PNP TRANSISTOR

PDF	5 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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BF421

SMALL SIGNAL PNP TRANSISTOR

PRELIMINARY DATA

s

SILICON EPITAXIAL PLANAR PNP HIGH

VOLTAGE TRANSISTOR

s

TO-92 PACKAGE SUITABLE FOR

THROUGH-HOLE PCB ASSEMBLY

s

THE NPN COMPLEMENTARY TYPE IS

BF420

APPLICATIONS

s

VIDEO AMPLIFIER CIRCUITS (RGB

CATHODE CURRENT CONTROL)

s

TELEPHONE WIRELINE INTERFACE (HOOK

SWITCHES, DIALER CIRCUITS)

®

INTERNAL SCHEMATIC DIAGRAM

February 2003

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCBO

Collector-Base Voltage (IE = 0)

-300

V

VCEO

Collector-Emitter Voltage (IB = 0)

-300

V

VEBO

Emitter-Base Voltage (IC = 0)

-5

V

IC

Collector Current

-500

mA

ICM

Collector Peak Current (tp < 5ms)

-600

mA

Ptot

Total Dissipation at TC = 25

o C

830

mW

Tstg

Storage Temperature

-65 to 150

oC

Tj

Max. Operating Junction Temperature

150

oC

Ordering Code

Marking

Package / Shipment

BF421

TO-92 / Bulk

BF421-AP

BF421

TO-92

/ Ammopack

TO-92

Bulk

TO-92

Ammopack

1/5

Numéro de pièce similaire - BF421

Fabricant	No de pièce	Fiches technique	Description
Motorola, Inc	BF421	119Kb / 4P	High Voltage Transistors(PNP)
ON Semiconductor	BF421	82Kb / 4P	High Voltage Transistors(PNP Silicon) 1998 REV 1
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General Semiconductor	BF421	39Kb / 2P	Small Signal Transistors (PNP)

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Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	SOA56	35Kb / 4P	SMALL SIGNAL PNP TRANSISTOR Mar-1996
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Motorola, Inc	MMBA813S2	26Kb / 1P	SMALL-SIGNAL PNP TRANSISTOR
Rohm	BCX17	53Kb / 2P	PNP small signal transistor
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