40666 NPN Transistor

The 40666 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 40666 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 40666 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 40666 transistor as follows.

40666 Transistor Specification

Transistor Code		40666
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO61
Collector Power Dissipation (Maximum)	PC	3W
Collector-Base Voltage (Maximum)	VCB	65V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	400MHz

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