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NR421FG NPN Transistor

The NR421FG is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the NR421FG transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The NR421FG 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 NR421FG transistor as follows.

Circuit diagram symbol of the NR421FG transistor

NR421FG Transistor Specification

Transistor Code NR421FG
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO92
Collector Power Dissipation (Maximum) PC 0.6W
Collector-Base Voltage (Maximum) VCB 35V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 0.03A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 68
Transition Frequency FT 180MHz
Collector Capacitance CC 1.1pF

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