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2N742A NPN Transistor

The 2N742A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N742A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N742A 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 2N742A transistor as follows.

Circuit diagram symbol of the 2N742A transistor

2N742A Transistor Specification

Transistor Code 2N742A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO18
Collector Power Dissipation (Maximum) PC 0.5W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 60V
Collector Current (Maximum) IC 0.2A
Operating Junction Temperature (Maximum) TJ 175°C
Emitter-Base Voltage (Maximum) VEB 8V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 60MHz
Collector Capacitance CC 12pF

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