FZT491A NPN Transistor

The FZT491A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the FZT491A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The FZT491A 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 FZT491A transistor as follows.

FZT491A Transistor Specification

Transistor Code		FZT491A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT223
Collector Power Dissipation (Maximum)	PC	2W
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	1A
Forward Current Transfer Ratio (hFE Value)		300
Transition Frequency	FT	150MHz

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