2N947 NPN Transistor

The 2N947 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N947 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N947 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 2N947 transistor as follows.

2N947 Transistor Specification

Transistor Code		2N947
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.36W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	200MHz
Collector Capacitance	CC	8pF

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