2SA128 PNP Transistor

The 2SA128 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA128 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA128 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 2SA128 transistor as follows.

2SA128 Transistor Specification

Transistor Code		2SA128
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO44-2
Collector Power Dissipation (Maximum)	PC	0.17W
Collector-Base Voltage (Maximum)	VCB	40V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	2V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	10MHz
Collector Capacitance	CC	20pF

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