BFQ540 NPN Transistor

The BFQ540 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFQ540 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFQ540 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 BFQ540 transistor as follows.

BFQ540 Transistor Specification

Transistor Code		BFQ540
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT89
Transistor SMD Code		N4
Collector Power Dissipation (Maximum)	PC	1.2W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.12A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	2V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	9000MHz

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