2SA173 PNP Transistor

The 2SA173 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA173 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA173 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 2SA173 transistor as follows.

2SA173 Transistor Specification

Transistor Code		2SA173
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO5
Transistor SMD Code		1E
Collector Power Dissipation (Maximum)	PC	0.125W
Collector-Base Voltage (Maximum)	VCB	20V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	2MHz
Collector Capacitance	CC	15pF

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