2SC3991 NPN Transistor

The 2SC3991 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC3991 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC3991 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 2SC3991 transistor as follows.

2SC3991 Transistor Specification

Transistor Code		2SC3991
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO264
Collector Power Dissipation (Maximum)	PC	300W
Collector-Base Voltage (Maximum)	VCB	800V
Collector-Emitter Voltage (Maximum)	VCE	500V
Collector Current (Maximum)	IC	50A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		10
Transition Frequency	FT	15MHz
Collector Capacitance	CC	215pF

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