A749C NPN Transistor

The A749C is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the A749C transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The A749C 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 A749C transistor as follows.

A749C Transistor Specification

Transistor Code		A749C
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		X09
Collector Power Dissipation (Maximum)	PC	0.25W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.2A
Operating Junction Temperature (Maximum)	TJ	125°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		420
Transition Frequency	FT	150MHz
Collector Capacitance	CC	5pF

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