2SA139 PNP Transistor

The 2SA139 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA139 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA139 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 2SA139 transistor as follows.

2SA139 Transistor Specification

Transistor Code		2SA139
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.08W
Collector-Base Voltage (Maximum)	VCB	30V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		70
Transition Frequency	FT	3MHz
Collector Capacitance	CC	12pF

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