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.

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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