CYStech Electronics Corp.
NPN Epitaxial Planar Transistor
Spec. No. : C234A3-A Issued Date : 2004.03.02 Revised Date : ...
CYStech Electronics Corp.
NPN Epitaxial Planar Transistor
Spec. No. : C234A3-A Issued Date : 2004.03.02 Revised Date : 2004.10.18 Page No. : 1/4
BF420A3/S
Description
NPN high
voltage transistors in a TO-92 plastic package. Complementary to BF421A3/S. www.DataSheet4U.com Pb-free package is available
Features
Low feedback capacitance.
Applications Symbol
Class-B video output stages in color television and professional monitor equipment.
Outline
BF420A3/S 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
BF420A3/S
Symbol VCBO VCEO VEBO IC ICM IBM Pd Tj Tstg Tamb
Conditions Open emitter Open base Open collector
Min
Tamb≤25℃ ; Note -65 -65
Max 300 300 5 50 100 50 830 150 +150 +150
Unit V V V mA mA mA mW °C °C °C
Note : Transistor mounted on a printed-circuit board.
CYStek Product Specification
CYStech Electronics Corp.
Characteristics (Ta=25°C)
Symbol BVCBO BVCEO BVEBO ICBO
www.DataSheet4U.com IEBO
Spec. No. : C234A3-A Issued Date : 2004.03.02 Revised Date : 2004.10.18 Page No. : 2/4
*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 V...
