SK9142 NPN Transistor

The SK9142 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the SK9142 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The SK9142 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 SK9142 transistor as follows.

SK9142 Transistor Specification

Transistor Code		SK9142
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO92
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	70V
Collector-Emitter Voltage (Maximum)	VCE	70V
Collector Current (Maximum)	IC	1A
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		150
Transition Frequency	FT	150MHz

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