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2N1422 NPN Transistor

The 2N1422 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N1422 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N1422 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 2N1422 transistor as follows.

Circuit diagram symbol of the 2N1422 transistor

2N1422 Transistor Specification

Transistor Code 2N1422
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 30W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 3A
Operating Junction Temperature (Maximum) TJ 180°C
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 10MHz

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