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BF821 Datasheet(PDF) 1 Page - General Semiconductor

Part No. BF821
Description  Small Signal Transistors (PNP)
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Maker  GE [General Semiconductor]
Homepage  http://www.vishay.com
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BF821 Datasheet(HTML) 1 Page - General Semiconductor

   
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FEATURES
Small Signal Transistors (PNP)
Dimensions in inches and (millimeters)
.016 (0.4)
.037(0.95) .037(0.95)
.122 (3.1)
.016 (0.4)
.016 (0.4)
3
12
Top View
.102 (2.6)
.118 (3.0)
.094 (2.4)
Case: SOT-23 Plastic Package
Weight: approx. 0.008 g
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Pin configuration
1 = Base, 2 = Emitter, 3 = Collector.
SOT-23
4/98
PNP Silicon Epitaxial Planar Transistors
especially suited for application in class-
B video output stages of TV receivers
and monitors.
As complementary types, the NPN tran-
sistors BF820 and BF822 are recommended.
Symbol
Value
Unit
Collector-Base Voltage
BF821
BF823
–VCBO
–VCBO
300
250
V
V
Collector-Emitter Voltage
BF823
–VCEO
250
V
Collector-Emitter Voltage
BF821
–VCER
300
V
Emitter-Base Voltage
–VEBO
5V
Collector Current
–IC
50
mA
Peak Collector Current
–ICM
100
mA
Power Dissipation at TSB = 50 °C
Ptot
3001)
mW
Junction Temperature
Tj
150
°C
Storage Temperature Range
TS
–65 to +150
°C
1) Device on fiberglass substrate, see layout
Marking code
BF821 = 1W
BF823 = 1Y
BF821, BF823


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