2SC991 NPN Transistor

The 2SC991 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC991 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC991 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 2SC991 transistor as follows.

2SC991 Transistor Specification

Transistor Code		2SC991
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	0.6W
Collector-Base Voltage (Maximum)	VCB	36V
Collector-Emitter Voltage (Maximum)	VCE	24V
Collector Current (Maximum)	IC	0.4A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	250MHz
Collector Capacitance	CC	10pF

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