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BFX55 NPN Transistor

The BFX55 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFX55 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFX55 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 BFX55 transistor as follows.

Circuit diagram symbol of the BFX55 transistor

BFX55 Transistor Specification

Transistor Code BFX55
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO39
Collector Power Dissipation (Maximum) PC 2.2W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 0.4A
Operating Junction Temperature (Maximum) TJ 175°C
Emitter-Base Voltage (Maximum) VEB 3V
Forward Current Transfer Ratio (hFE Value) 30
Transition Frequency FT 300MHz
Collector Capacitance CC 3.5pF

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