2N2742 NPN Transistor

The 2N2742 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N2742 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N2742 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the 2N2742 transistor as follows.

2N2742 Transistor Specification

Transistor Code		2N2742
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		MT38-1
Collector Power Dissipation (Maximum)	PC	200W
Collector-Base Voltage (Maximum)	VCB	200V
Collector-Emitter Voltage (Maximum)	VCE	200V
Collector Current (Maximum)	IC	20A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	15V
Forward Current Transfer Ratio (hFE Value)		10
Transition Frequency	FT	0.5MHz

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