CYStech Electronics Corp.


Spec. No. : C235A3
Issued Date : 2004.02.24
Revised Date : 2004.10.18
Page No. : 1/3

BF423A3/S CYStek Product Specification


PNP Epitaxial Planar Transistor
BF423A3/S

Description
• PNP high voltage transistors in a TO-92 plastic package.
• Complementary to BF422A3/S.
• Pb-free package is available

Features
• Low feedback capacitance.

Applications
• Class-B video output stages in color television and professional monitor equipment.

Symbol Outline

Absolute Maximum Ratings (Ta=25°C)
Parameter Symbol Conditions Min Max Unit
Collector-Base Voltage VCBO Open emitter - -250 V
Collector-Emitter Voltage VCEO Open base - -250 V
Emitter-Base Voltage VEBO Open collector - -5 V
Collector Current (DC) IC -50 mA
Peak Collector Current ICM - -100 mA
Peak Base Current IBM - -50 mA
Power Dissipation Pd Tamb≤25℃, Note - 830 mW
Junction Temperature Tj - 150 °C
Storage Temperature Tstg -65 +150 °C
Operating Ambient Temperature Tamb -65 +150 °C
Note : Transistor mounted on a printed-circuit board.
BF423A3/S

TO-92

B：Base
C：Collector
E：Emitter
E C B