CYStech Electronics Corp.
PNP Epitaxial Planar Transistor
Spec. No. : C235A3-A
Issued Date :
2004.03.02
Revised Date : 2004.08.0
5
Page No. : 1/3
BF421A3
Description
•
PNP high voltage transistors in a TO-92 plastic package.
•
Complementary to BF420A3.
Features
•
Low feedback capacitance.
Applications
Symbol
•
Class-B video output stages in color television and professional monitor equipment.
Outline
BF421A3
TO-92
B:Base
C:Collector
E:Emitter
ECB
Absolute Maximum Ratings
(Ta=25°C)
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (DC)
Peak Collector Current
Peak Base Current
Power Dissipation
Junction Temperature
Storage Temperature
Operating Ambient Temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
BM
Pd
Tj
Tstg
Tamb
Conditions
Open emitter
Open base
Open collector
Min
-
-
-
-
-
-
-
-
-65
-65
Max
-300
-300
-5
-50
-100
-50
830
150
+150
+150
Unit
V
V
V
mA
mA
mA
mW
°C
°C
°C
Tamb≤25℃,
Note
Note : Transistor mounted on a printed-circuit board.
BF421A3
CYStek Product Specification