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MRF420 NPN Transistor

The MRF420 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MRF420 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MRF420 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 MRF420 transistor as follows.

Circuit diagram symbol of the MRF420 transistor

MRF420 Transistor Specification

Transistor Code MRF420
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package M174
Collector Power Dissipation (Maximum) PC 150W
Collector-Base Voltage (Maximum) VCB 45V
Collector-Emitter Voltage (Maximum) VCE 20V
Collector Current (Maximum) IC 10A
Operating Junction Temperature (Maximum) TJ 175°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 10

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