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BFX40 PNP Transistor

The BFX40 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BFX40 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFX40 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the BFX40 transistor as follows.

Circuit diagram symbol of the BFX40 transistor

BFX40 Transistor Specification

Transistor Code BFX40
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package TO39
Collector Power Dissipation (Maximum) PC 0.8W
Collector-Base Voltage (Maximum) VCB 75V
Collector-Emitter Voltage (Maximum) VCE 75V
Collector Current (Maximum) IC 1A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 85
Transition Frequency FT 100MHz
Collector Capacitance CC 20pF

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