BFS540 NPN Transistor

The BFS540 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFS540 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFS540 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 BFS540 transistor as follows.

BFS540 Transistor Specification

Transistor Code		BFS540
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT323 SC70
Collector Power Dissipation (Maximum)	PC	0.5W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.12A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	2.5V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	9000MHz
Collector Capacitance	CC	0.9pF

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