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BUY40 NPN Transistor

The BUY40 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUY40 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUY40 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 BUY40 transistor as follows.

Circuit diagram symbol of the BUY40 transistor

BUY40 Transistor Specification

Transistor Code BUY40
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO59
Collector Power Dissipation (Maximum) PC 30W
Collector-Base Voltage (Maximum) VCB 100V
Collector-Emitter Voltage (Maximum) VCE 80V
Collector Current (Maximum) IC 5A
Operating Junction Temperature (Maximum) TJ 200°C
Forward Current Transfer Ratio (hFE Value) 40

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