BF642W NPN Transistor

The BF642W is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BF642W transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF642W 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 BF642W transistor as follows.

BF642W Transistor Specification

Transistor Code		BF642W
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO92
Collector Power Dissipation (Maximum)	PC	0.9W
Collector-Base Voltage (Maximum)	VCB	300V
Collector-Emitter Voltage (Maximum)	VCE	300V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	50MHz
Collector Capacitance	CC	4pF

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