2N2042A PNP Transistor

The 2N2042A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N2042A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N2042A 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 2N2042A transistor as follows.

2N2042A Transistor Specification

Transistor Code		2N2042A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	105V
Collector Current (Maximum)	IC	0.2A
Operating Junction Temperature (Maximum)	TJ	100°C
Emitter-Base Voltage (Maximum)	VEB	75V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	0.5MHz
Collector Capacitance	CC	25pF

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