BF421 Datasheet, PDF (1/2 Pages) Motorola, Inc – High Voltage Transistors(PNP)

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 T_amb = 25 °C
BF421 –V_CBO
300
V
BF423 –V_CBO
250
V
BF423 –V_CEO
250
V
BF421 –V_CER
300
V
–V_EBO
5
V
–I_C
50
mA
–I_CM
100
mA
P_tot
830¹⁾
mW
Junction Temperature
T_j
150
°C
Storage Temperature Range
T_S
–65 to +150
°C
1) _{Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case.}
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