2S138 PNP Transistor

The 2S138 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2S138 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2S138 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 2S138 transistor as follows.

2S138 Transistor Specification

Transistor Code		2S138
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		R27
Collector Power Dissipation (Maximum)	PC	0.015W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	12V
Collector Current (Maximum)	IC	0.002A
Operating Junction Temperature (Maximum)	TJ	65°C
Emitter-Base Voltage (Maximum)	VEB	2V
Forward Current Transfer Ratio (hFE Value)		32
Transition Frequency	FT	50MHz
Collector Capacitance	CC	2pF

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