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JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
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 VCBO VCEO VEBO IC PC Rth j-a Tj Tstg
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.
BF421 Datasheet