AF142 PNP Transistor

The AF142 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the AF142 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AF142 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 AF142 transistor as follows.

AF142 Transistor Specification

Transistor Code		AF142
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO7
Collector Power Dissipation (Maximum)	PC	0.08W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	0.01A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	60MHz

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