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BF420 Datasheet(PDF) 1 Page - General Semiconductor

Part No. BF420
Description  Small Signal Transistors (NPN)
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Maker  GE [General Semiconductor]
Homepage  http://www.vishay.com
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BF420 Datasheet(HTML) 1 Page - General Semiconductor

   
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FEATURES
MECHANICAL DATA
Case: TO-92 Plastic Package
Weight: approx. 0.18 g
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Small Signal Transistors (NPN)
C
B
E
.181 (4.6)
.142 (3.6)
Dimensions in inches and (millimeters)
TO-92
Ratings at 25 °C ambient temperature unless otherwise specified
.098 (2.5)
max.
∅ .022 (0.55)
4/98
BF420, BF422
Symbol
Value
Unit
Collector-Base Voltage
BF420
BF422
VCBO
VCBO
300
250
V
V
Collector-Emitter Voltage
BF422
VCEO
250
V
Collector-Emitter Voltage
BF420
VCER
300
V
Emitter-Base Voltage
VEBO
5V
Collector Current
IC
50
mA
Peak Collector Current
ICM
100
mA
Power Dissipation at Tamb = 25 °C
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
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


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