2SA142A PNP Transistor

The 2SA142A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA142A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA142A 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 2SA142A transistor as follows.

2SA142A Transistor Specification

Transistor Code		2SA142A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.08W
Collector-Base Voltage (Maximum)	VCB	35V
Collector-Emitter Voltage (Maximum)	VCE	35V
Collector Current (Maximum)	IC	0.015A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		70
Transition Frequency	FT	3MHz
Collector Capacitance	CC	14pF

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