2SA1798 PNP Transistor

The 2SA1798 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA1798 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA1798 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 2SA1798 transistor as follows.

2SA1798 Transistor Specification

Transistor Code		2SA1798
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO-126ML
Collector Power Dissipation (Maximum)	PC	10W
Collector-Base Voltage (Maximum)	VCB	25V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	8A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	200MHz
Collector Capacitance	CC	85pF

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