MRF545 NPN Transistor

The MRF545 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MRF545 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MRF545 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 MRF545 transistor as follows.

MRF545 Transistor Specification

Transistor Code		MRF545
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	3.5W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	70V
Collector Current (Maximum)	IC	0.4A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		15
Transition Frequency	FT	1000MHz
Collector Capacitance	CC	2.5pF

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