40912 NPN Transistor

The 40912 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 40912 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 40912 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 40912 transistor as follows.

40912 Transistor Specification

Transistor Code		40912
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO31
Collector Power Dissipation (Maximum)	PC	5.8W
Collector-Base Voltage (Maximum)	VCB	140V
Collector-Emitter Voltage (Maximum)	VCE	140V
Collector Current (Maximum)	IC	3A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	0.8MHz

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