BD477A NPN Transistor

The BD477A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD477A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD477A 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 BD477A transistor as follows.

BD477A Transistor Specification

Transistor Code		BD477A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO126
Collector Power Dissipation (Maximum)	PC	10W
Collector-Base Voltage (Maximum)	VCB	30V
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	1.8A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		12000
Transition Frequency	FT	60MHz

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