BFT49 NPN Transistor

The BFT49 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFT49 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFT49 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 BFT49 transistor as follows.

BFT49 Transistor Specification

Transistor Code		BFT49
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	300V
Collector-Emitter Voltage (Maximum)	VCE	300V
Collector Current (Maximum)	IC	0.2A
Operating Junction Temperature (Maximum)	TJ	200°C
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	50MHz

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