KTC3121 NPN Transistor

The KTC3121 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KTC3121 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KTC3121 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 KTC3121 transistor as follows.

KTC3121 Transistor Specification

Transistor Code		KTC3121
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT23
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		60

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