2SA251 PNP Transistor

The 2SA251 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA251 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA251 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 2SA251 transistor as follows.

2SA251 Transistor Specification

Transistor Code		2SA251
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.05W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	6V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	15V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	20MHz
Collector Capacitance	CC	4pF

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