2SC4578 NPN Transistor

The 2SC4578 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC4578 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC4578 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 2SC4578 transistor as follows.

2SC4578 Transistor Specification

Transistor Code		2SC4578
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	5W
Collector-Base Voltage (Maximum)	VCB	1700V
Collector-Emitter Voltage (Maximum)	VCE	900V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		200
Transition Frequency	FT	4MHz

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