TK255A NPN Transistor

The TK255A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the TK255A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The TK255A 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 TK255A transistor as follows.

TK255A Transistor Specification

Transistor Code		TK255A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		15
Transition Frequency	FT	100MHz

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