BD422 NPN Transistor

The BD422 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD422 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD422 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 BD422 transistor as follows.

BD422 Transistor Specification

Transistor Code		BD422
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	10W
Collector-Emitter Voltage (Maximum)	VCE	80V
Collector Current (Maximum)	IC	2A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		1000
Transition Frequency	FT	100MHz

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