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MJE31C NPN Transistor

The MJE31C is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MJE31C transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MJE31C 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 MJE31C transistor as follows.

Circuit diagram symbol of the MJE31C transistor

MJE31C Transistor Specification

Transistor Code MJE31C
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO126
Collector Power Dissipation (Maximum) PC 40W
Collector-Base Voltage (Maximum) VCB 100V
Collector-Emitter Voltage (Maximum) VCE 100V
Collector Current (Maximum) IC 3A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 25
Transition Frequency FT 3MHz

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