ET721 NPN Transistor

The ET721 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the ET721 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The ET721 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 ET721 transistor as follows.

ET721 Transistor Specification

Transistor Code		ET721
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	85W
Collector-Base Voltage (Maximum)	VCB	1000V
Collector-Emitter Voltage (Maximum)	VCE	800V
Collector Current (Maximum)	IC	3A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	1.5MHz

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