2SA449 PNP Transistor

The 2SA449 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA449 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA449 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 2SA449 transistor as follows.

2SA449 Transistor Specification

Transistor Code		2SA449
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	10V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	100°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	200MHz
Collector Capacitance	CC	4pF

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