MJ4381 NPN Transistor

The MJ4381 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MJ4381 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MJ4381 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 MJ4381 transistor as follows.

MJ4381 Transistor Specification

Transistor Code		MJ4381
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO66
Collector Power Dissipation (Maximum)	PC	75W
Collector-Base Voltage (Maximum)	VCB	700V
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	4A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	9V
Forward Current Transfer Ratio (hFE Value)		8
Transition Frequency	FT	4MHz
Collector Capacitance	CC	120pF

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