BUF642 NPN Transistor

The BUF642 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUF642 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUF642 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 BUF642 transistor as follows.

BUF642 Transistor Specification

Transistor Code		BUF642
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	70W
Collector-Base Voltage (Maximum)	VCB	550V
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	10A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	9V
Forward Current Transfer Ratio (hFE Value)		15

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