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4NU73 NPN Transistor

The 4NU73 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 4NU73 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 4NU73 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 4NU73 transistor as follows.

Circuit diagram symbol of the 4NU73 transistor

4NU73 Transistor Specification

Transistor Code 4NU73
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 12.5W
Collector-Base Voltage (Maximum) VCB 48V
Collector-Emitter Voltage (Maximum) VCE 48V
Collector Current (Maximum) IC 3.5A
Operating Junction Temperature (Maximum) TJ 120°C
Emitter-Base Voltage (Maximum) VEB 15V
Forward Current Transfer Ratio (hFE Value) 10
Transition Frequency FT 0.15MHz

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