2SC4549 NPN Transistor

The 2SC4549 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC4549 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC4549 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 2SC4549 transistor as follows.

2SC4549 Transistor Specification

Transistor Code		2SC4549
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	25W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		45
Transition Frequency	FT	150MHz

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