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BFX31 NPN Transistor

The BFX31 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFX31 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFX31 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 BFX31 transistor as follows.

Circuit diagram symbol of the BFX31 transistor

BFX31 Transistor Specification

Transistor Code BFX31
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO72
Collector Power Dissipation (Maximum) PC 0.175W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 0.03A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 3V
Forward Current Transfer Ratio (hFE Value) 25
Transition Frequency FT 400MHz
Collector Capacitance CC 0.6pF

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