BEL149 NPN Transistor

The BEL149 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BEL149 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BEL149 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 BEL149 transistor as follows.

BEL149 Transistor Specification

Transistor Code		BEL149
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	40W
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	6A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		90
Transition Frequency	FT	3MHz

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