|
Cystech Electonics Corp |
CYStech Electronics Corp.
PNP Epitaxial Planar Transistor
BF421A3
wSpwewc..DNao.ta: SCh2e3e5tA43U-.Acom
Issued Date : 2004.03.02
Revised Date : 2004.08.05
Page No. : 1/3
Description
• PNP high voltage transistors in a TO-92 plastic package.
• Complementary to BF420A3.
Features
• Low feedback capacitance.
Applications
• Class-B video output stages in color television and professional monitor equipment.
Symbol
BF421A3
Outline
TO-92
B:Base
C:Collector
E:Emitter
ECB
Absolute Maximum Ratings (Ta=25°C)
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (DC)
Peak Collector Current
Peak Base Current
Power Dissipation
Junction Temperature
Storage Temperature
Operating Ambient Temperature
Symbol
Conditions
Min Max
VCBO
VCEO
VEBO
IC
ICM
IBM
Open emitter
Open base
Open collector
- -300
- -300
- -5
- -50
- -100
- -50
Pd
Tamb≤25℃, Note
-
830
Tj - 150
Tstg -65 +150
Tamb
-65 +150
Unit
V
V
V
mA
mA
mA
mW
°C
°C
°C
Note : Transistor mounted on a printed-circuit board.
BF421A3
CYStek Product Specification
CYStech Electronics Corp.
wSpwewc..DNao.ta: SCh2e3e5tA43U-.Acom
Issued Date : 2004.03.02
Revised Date : 2004.08.05
Page No. : 2/3
Characteristics (Ta=25°C)
Symbol
BVCBO
BVCEO
BVEBO
ICBO
IEBO
*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, IE=0
IC=-1mA, IB=0
IE=-10µA, IC=0
VCB=-200V, IE=0
IE=0, VCB=-200V, Tj=150℃
VEB=-5V, IC=0
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 Cycle≤2%
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
BF421A3
CYStek Product Specification
|