Planar Transistor. BF420A3 Datasheet

BF420A3 Transistor. Datasheet pdf. Equivalent

Part BF420A3
Description NPN Epitaxial Planar Transistor
Feature CYStech Electronics Corp. NPN Epitaxial Planar Transistor Spec. No. : C234A3-A Issued Date : 2004.0.
Manufacture Cystech
Datasheet
Download BF420A3 Datasheet




BF420A3
CYStech Electronics Corp.
NPN Epitaxial Planar Transistor
BF420A3/S
Spec. No. : C234A3-A
Issued Date : 2004.03.02
Revised Date : 2004.10.18
Page No. : 1/4
Description
NPN high voltage transistors in a TO-92 plastic package.
Complementary to BF421A3/S.
www.DataShePetb4U-f.croeme package is available
Features
Low feedback capacitance.
Applications
Class-B video output stages in color television and professional monitor equipment.
Symbol
BF420A3/S
Outline
TO-92
BBase
CCollector
EEmitter
ECB
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Emitter-Base Voltage
VEBO
Collector Current (DC)
IC
Peak Collector Current
ICM
Peak Base Current
IBM
Power Dissipation;
Pd
Junction Temperature
Tj
Storage Temperature
Tstg
Operating Ambient Temperature
Tamb
Note : Transistor mounted on a printed-circuit board.
BF420A3/S
Conditions
Open emitter
Open base
Open collector
Tamb25; Note
Min Max Unit
300 V
300 V
5V
50 mA
100 mA
50 mA
830 mW
150 °C
-65 +150
°C
-65 +150
°C
CYStek Product Specification



BF420A3
CYStech Electronics Corp.
Spec. No. : C234A3-A
Issued Date : 2004.03.02
Revised Date : 2004.10.18
Page No. : 2/4
Characteristics (Ta=25°C)
Symbol
BVCBO
BVCEO
BVEBO
ICBO
www.DataSheet4UI.cEoBmO
*VCE(sat)
*hFE
Cre
fT
Min.
300
300
5
-
-
-
-
50
-
60
Typ.
-
-
-
-
-
-
-
-
-
-
Max.
-
-
-
10
10
50
0.6
-
1.6
-
Unit
V
V
V
nA
µA
nA
V
-
pF
MHz
Test Conditions
IC=100µA
IC=1mA
IE=10µA
IE=0, VCB=200V
IE=0, VCB=200V, Tj=150
IC=0, VEB=5V
IC=30mA, IB=5mA
VCE=20V, IC=25mA
IC=iC=0, VCE=30V, f=1MHz
VCE=10V, IC=10mA, f=100MHz
*Pulse Test: Pulse Width 380µs, Duty Cycle2%
Thermal Characteristics
Symbol
RthJA
Parameter
Thermal resistance from junction to ambient
Note : Transistor mounted on a printed-circuit board
Conditions
Note
Value
150
Unit
K/W
Ordering Information
Device
BF420A3
BF420A3S
Package
TO-92
TO-92
(Pb-free)
Shipping
2000 pcs / tape & box
2000 pcs / tape & box
BF420A3/S
CYStek Product Specification







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