2N540 PNP Transistor

The 2N540 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N540 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N540 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 2N540 transistor as follows.

2N540 Transistor Specification

Transistor Code		2N540
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO10
Collector Power Dissipation (Maximum)	PC	34W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	55V
Collector Current (Maximum)	IC	3.5A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	28V
Forward Current Transfer Ratio (hFE Value)		45
Transition Frequency	FT	0.2MHz

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