MRF477 NPN Transistor

The MRF477 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MRF477 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MRF477 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 MRF477 transistor as follows.

MRF477 Transistor Specification

Transistor Code		MRF477
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220AB
Collector Power Dissipation (Maximum)	PC	87.5W
Collector-Base Voltage (Maximum)	VCB	36V
Collector-Emitter Voltage (Maximum)	VCE	18V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	30MHz
Collector Capacitance	CC	175pF

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