BC420A PNP Transistor

The BC420A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BC420A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BC420A transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the BC420A transistor as follows.

BC420A Transistor Specification

Transistor Code		BC420A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.4W
Collector-Base Voltage (Maximum)	VCB	180V
Collector-Emitter Voltage (Maximum)	VCE	180V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	125°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		120
Transition Frequency	FT	75MHz
Collector Capacitance	CC	8pF

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