MRF4427 NPN Transistor

The MRF4427 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MRF4427 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MRF4427 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 MRF4427 transistor as follows.

MRF4427 Transistor Specification

Transistor Code		MRF4427
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT143
Transistor SMD Code		4
Collector Power Dissipation (Maximum)	PC	0.22W
Collector-Base Voltage (Maximum)	VCB	40V
Collector Current (Maximum)	IC	0.4A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	1000MHz

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