AC157A NPN Transistor

The AC157A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the AC157A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AC157A transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the AC157A transistor as follows.

AC157A Transistor Specification

Transistor Code		AC157A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	32V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.08A
Operating Junction Temperature (Maximum)	TJ	80°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	0.7MHz
Collector Capacitance	CC	60pF

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