BF421 Ver la hoja de datos (PDF) - General Semiconductor
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BF421 Datasheet PDF : 2 Pages
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BF421, BF423
Small Signal Transistors (PNP)
TO-92
.181 (4.6)
.142 (3.6)
FEATURES
♦ PNP Silicon Epitaxial Transistors
especially suited for application in
class-B video output stages of TV
receivers and monitors.
♦ As complementary types, the NPN tran-
sistors BF420 and BF422 are recom-
mended.
max.∅ .022 (0.55)
.098 (2.5)
E
B
C
Dimensions in inches and (millimeters)
MECHANICAL DATA
Case: TO-92 Plastic Package
Weight: approx. 0.18 g
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Value
Unit
Collector-Base Voltage
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Peak Collector Current
Power Dissipation at Tamb = 25 °C
BF421 –VCBO
300
V
BF423 –VCBO
250
V
BF423 –VCEO
250
V
BF421 –VCER
300
V
–VEBO
5
V
–IC
50
mA
–ICM
100
mA
Ptot
8301)
mW
Junction Temperature
Tj
150
°C
Storage Temperature Range
TS
–65 to +150
°C
1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case.
4/98
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