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₹3.00Add to cartBC547 is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor’s terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.
Transistor BD139
₹3.00Add to cartThe BD139 is an NPN bipolar junction transistor (BJT) commonly used in amplifier and switching circuits, with a maximum current rating of 1.5A. This transistor offers low saturation voltage and high current gain characteristics, making it suitable for audio amplifier stages, power switching applications, and voltage regulation circuits.
Potentiometer 50k
₹10.00Add to cartA 50k potentiometer is a variable resistor with a resistance value of 50 kilohms, utilized for adjusting voltage or current levels in electronic circuits. These potentiometers offer precise control and are commonly employed in audio devices, lighting systems, and instrumentation applications.
