MJ6257 NPN Transistor

The MJ6257 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MJ6257 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MJ6257 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 MJ6257 transistor as follows.

MJ6257 Transistor Specification

Transistor Code		MJ6257
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	200W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	20A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		15
Transition Frequency	FT	2MHz

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