AD142 PNP Transistor

The AD142 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the AD142 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AD142 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 AD142 transistor as follows.

AD142 Transistor Specification

Transistor Code		AD142
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	30W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	50V
Collector Current (Maximum)	IC	10A
Operating Junction Temperature (Maximum)	TJ	100°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	0.45MHz

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