BFX42 NPN Transistor

The BFX42 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFX42 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFX42 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 BFX42 transistor as follows.

BFX42 Transistor Specification

Transistor Code		BFX42
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO46
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	10V
Collector Current (Maximum)	IC	0.125A
Operating Junction Temperature (Maximum)	TJ	200°C
Forward Current Transfer Ratio (hFE Value)		90
Transition Frequency	FT	800MHz

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