BUY91 NPN Transistor

The BUY91 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUY91 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUY91 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 BUY91 transistor as follows.

BUY91 Transistor Specification

Transistor Code		BUY91
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	24W
Collector-Base Voltage (Maximum)	VCB	150V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	7.5A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	40MHz

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