BF420 Просмотр технического описания (PDF) - General Semiconductor
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BF420 Datasheet PDF : 2 Pages
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TO-92
.181 (4.6)
BF420, BF422
Small Signal Transistors (NPN)
.142 (3.6)
FEATURES
♦ NPN Silicon Epitaxial Planar Transistors
especially suited for application in class-B
video output stages of TV receivers and
monitors.
♦ As complementary types, the PNP
transistors BF421 and BF423 are
recommended
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
BF420 VCBO
300
V
BF422 VCBO
250
V
BF422 VCEO
250
V
BF420 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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