BFX99 NPN Transistor

The BFX99 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFX99 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFX99 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 BFX99 transistor as follows.

BFX99 Transistor Specification

Transistor Code		BFX99
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO77
Collector Power Dissipation (Maximum)	PC	0.6W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	50MHz
Collector Capacitance	CC	12pF

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