AC138 PNP Transistor

The AC138 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the AC138 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AC138 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 AC138 transistor as follows.

AC138 Transistor Specification

Transistor Code		AC138
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.72W
Collector-Base Voltage (Maximum)	VCB	32V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	1.2A
Operating Junction Temperature (Maximum)	TJ	90°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	1MHz
Collector Capacitance	CC	80pF

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