KN3903 NPN Transistor

The KN3903 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KN3903 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KN3903 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 KN3903 transistor as follows.

KN3903 Transistor Specification

Transistor Code		KN3903
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO92
Collector Power Dissipation (Maximum)	PC	0.625W
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	0.2A
Forward Current Transfer Ratio (hFE Value)		50

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