BF423 Datasheet, PDF (1/1 Pages) KEC(Korea Electronics) – SILICON PNP TRIPLE DIFFUSED TYPE (HIGH VOLTAGE SWITCHING AND AMPLIFIER,COLOR TV CHROMA OUTPUT)

Product specification
TO-92 Plastic-Encapsulate Transistors
BF421 TRANSISTOR (PNP)
BF423
TO-92
1. EMITTER
FEATURES
z Low Feedback Capacitance.
z PNP Transistors in a TO-92 Plastic Package.
NPN Complements: BF420 and BF422
z Class-B Video Output Stages in Colour
Television and Professional Monitor Equipment.
MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)
2.COLLECTOR
3. BASE
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
BF421 BF423
-300
-250
-300
-250
-5
-100
0.83
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
BF421
BF423
BF421
BF423
BF421
BF423
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=-200 V , I_E=0
V_EB=-5V , I_C=0
BF421
BF423
h_FE
V_CE(sat)
f_T
C_re
V_CE=-20V, I_C=-25mA
I_C=-20mA, I_B=-2mA
I_C=-30mA, I_B=-5mA
V_CE=-10V, I_C=-10mA
f = 100MHz
V_CE=-30V,I_C=0,f=1MHz
Min
-300
-250
-300
-250
-5
50
60
Max Unit
V
V
V
-0.01 μA
-0.1
μA
-0.05
-0.6
V
MHz
1.6
pF
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