BF979S PNP Transistor

The BF979S is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BF979S transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF979S 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 BF979S transistor as follows.

BF979S Transistor Specification

Transistor Code		BF979S
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO50
Collector Power Dissipation (Maximum)	PC	0.16W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	25V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	1800MHz
Collector Capacitance	CC	0.5pF

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