2SC491B NPN Transistor

The 2SC491B is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC491B transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC491B 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 2SC491B transistor as follows.

2SC491B Transistor Specification

Transistor Code		2SC491B
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO66
Collector Power Dissipation (Maximum)	PC	15W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	35V
Collector Current (Maximum)	IC	1.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		85
Transition Frequency	FT	15MHz
Collector Capacitance	CC	160pF

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