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BDT91 NPN Transistor

The BDT91 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BDT91 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BDT91 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 BDT91 transistor as follows.

Circuit diagram symbol of the BDT91 transistor

BDT91 Transistor Specification

Transistor Code BDT91
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO220
Collector Power Dissipation (Maximum) PC 90W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 60V
Collector Current (Maximum) IC 10A
Operating Junction Temperature (Maximum) TJ 150°C
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 4MHz

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