2SA57 PNP Transistor

The 2SA57 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA57 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA57 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 2SA57 transistor as follows.

2SA57 Transistor Specification

Transistor Code		2SA57
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO44-2
Collector Power Dissipation (Maximum)	PC	0.055W
Collector-Base Voltage (Maximum)	VCB	18V
Collector-Emitter Voltage (Maximum)	VCE	12V
Collector Current (Maximum)	IC	0.01A
Operating Junction Temperature (Maximum)	TJ	75°C
Forward Current Transfer Ratio (hFE Value)		80
Transition Frequency	FT	40MHz
Collector Capacitance	CC	4pF

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