BDY91 NPN Transistor

The BDY91 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BDY91 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BDY91 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 BDY91 transistor as follows.

BDY91 Transistor Specification

Transistor Code		BDY91
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	40W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	80V
Collector Current (Maximum)	IC	15A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	35MHz

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