MRF621 NPN Transistor

The MRF621 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MRF621 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MRF621 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 MRF621 transistor as follows.

MRF621 Transistor Specification

Transistor Code		MRF621
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO128
Collector Power Dissipation (Maximum)	PC	146W
Collector-Base Voltage (Maximum)	VCB	36V
Collector-Emitter Voltage (Maximum)	VCE	16V
Collector Current (Maximum)	IC	11A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		10
Collector Capacitance	CC	130pF

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