BU409 NPN Transistor

The BU409 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BU409 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BU409 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 BU409 transistor as follows.

BU409 Transistor Specification

Transistor Code		BU409
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TOP66
Collector Power Dissipation (Maximum)	PC	60W
Collector-Base Voltage (Maximum)	VCB	250V
Collector-Emitter Voltage (Maximum)	VCE	150V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		15
Transition Frequency	FT	5MHz

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