KC509 NPN Transistor

The KC509 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KC509 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KC509 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 KC509 transistor as follows.

KC509 Transistor Specification

Transistor Code		KC509
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		240
Transition Frequency	FT	175MHz
Collector Capacitance	CC	4.5pF

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