VIDEO TRANSISTORS. BF420 Datasheet

BF420 TRANSISTORS. Datasheet pdf. Equivalent

Part BF420
Description (BF420 / BF422) NPN SILICON PLANAR EPITAXIAL HIGH VOLTAGE VIDEO TRANSISTORS
Feature Transys Electronics L I M I T E D NPN SILICON PLANAR EPITAXIAL HIGH VOLTAGE VIDEO TRANSISTORS BF42.
Manufacture TRANSYS Electronics
Datasheet
Download BF420 Datasheet



BF420
Transys
Electronics
LIMITED
NPN SILICON PLANAR EPITAXIAL HIGH VOLTAGE
VIDEO TRANSISTORS
BF420
BF422
TO-92
Plastic Package
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Designed For High Voltage Video Amplifier In Television Receivers.
ABSOLUTE MAXIMUM RATINGS(Ta=25ºC unless specified otherwise)
DESCRIPTION
SYMBOL
420
422
Collector Emitter Voltage
Collector Base Voltage
Emitter Base Voltage
Collector Current Continuous
Power Dissipation@ Ta=25ºC
Derate Above 25ºC
Power Dissipation@ Tc=25ºC
Derate Above 25ºC
Operating And Storage Junction
Temperature Range
VCEO
VCBO
VEBO
IC
PD
PD
Tj, Tstg
300 250
300 250
5
500
800
6.4
2.75
22
-55 to +150
THERMAL RESISTANCE
Junction to ambient
Junction to case
Rth(j-a)
Rth(j-c)
156
45
ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Specified Otherwise)
DESCRIPTION
SYMBOL TEST CONDITION
Collector Emitter Voltage*
VCEO IC=1.0mA,IB=0
Collector Base Voltage
VCBO IC=100µA.IE=0
Emitter Base Voltage
VEBO IE=100µA, IC=0
Collector Cut off Current
ICBO VCB=200V,IE=0
Emitter Cut off Current
IEBO VEB=5.0V, IC=0
DC Current Gain
hFE IC=25mA,VCE=20V
Collector Emitter Saturation Voltage
Base Emitter Saturation Voltage
VCE(sat) IC=20mA,IB=2mA
VBE(sat) IC=20mA,IB=2mA
422
>250
>250
>5
<10
<100
>50
<0.5
<2
420
>300
>300
>5
<10
<100
>50
<0.5
<2
UNITS
V
V
V
mA
mW
mW/ºC
W
mW/ºC
ºC
ºC/W
ºC/W
UNITS
V
V
V
nA
nA
V
V



BF420
NPN SILICON PLANAR EPITAXIAL HIGH VOLTAGE
VIDEO TRANSISTORS
BF420
BF422
TO-92
Plastic Package
ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Specified Otherwise)
DESCRIPTION
SYMBOL TEST CONDITION
DYNAMIC CHARACTERISTICS
Transition Frequency
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Feedback Capacitance
fT IC=10mA, VCE=10V
f=50MHz
Cre VCB=30V, IE=0
f=1.0MHz
*Pulse Condition: = Pulse Width < 300us, Duty Cycle <2.0%.
422
>60
<1.6
420 UNITS
>60 MHz
<1.6 pF





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