BF420 Datasheet, PDF (1/1 Pages) Motorola, Inc – High Voltage Transistors(NPN)

Product specification
TO-92 Plastic-Encapsulate Transistors
BF420 TRANSISTOR (NPN)
BF422
FEATURES
z Low feedback capacitance.
z NPN transistors in a TO-92 plastic package.
PNP complements: BF421 and BF423
z Class-B video output stages in colour
television and professional monitor equipment.
TO-92
1. EMITTER
2.COLLECTOR
3. BASE
MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)
Symbol
V_CBO
V_CEO
V_EBO
I_C
P_C
Rth j-a
T_j
T_stg
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current -Continuous
Collector Power Dissipation
thermal resistance from junction to ambient
junction temperature
Storage Temperature Range
BF420 BF422
300
250
300
250
5
100
0.830
151
150
-55~150
Unit
V
V
V
mA
W
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cut-off current
Emitter cut-off current
DC current gain
Collector-emitter saturation voltage
Transition frequency
Feedback capacitance
Symbol Test conditions
BF420
BF422
BF420
BF422
V_(BR)CBO
V_(BR)CEO
V_(BR)EBO
I_CBO
I_EBO
I_C=100μA, I_E=0
I_C= 1mA , I_B=0
I_E=100μA, I_C=0
V_CB=200V, I_E=0
V_EB=5V, I_C=0
h_FE
V_CE=20V, I_C=25mA
V_CE(sat)
f_T
C_re
I_C=30mA, I_B= 5mA
V_CE=10V, I_C= 10mA
f=100MHz
V_CE=30V,I_C=0,f=1MHz
MIN MAX UNIT
300
V
250
300
V
250
5
V
0.01 μA
0.05 μA
50
0.6
V
60
MHz
1.6 pF
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