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2N4431 NPN Transistor

The 2N4431 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N4431 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N4431 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 2N4431 transistor as follows.

Circuit diagram symbol of the 2N4431 transistor

2N4431 Transistor Specification

Transistor Code 2N4431
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO128
Collector Power Dissipation (Maximum) PC 18W
Collector-Base Voltage (Maximum) VCB 55V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 2A
Operating Junction Temperature (Maximum) TJ 175°C
Emitter-Base Voltage (Maximum) VEB 3V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 600MHz
Collector Capacitance CC 10pF

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