This video explains how diodes function as directional components in electronic circuits. Diodes allow current to flow in ...

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A typical reflective object sensor consists of an infrared light emitter diode (IRED) and an NPN silicon phototransistor mounted side-by-side on parallel axes in a compact black plastic housing. The ...

In the early days, PNP bipolar transistors were common, but the bulk of circuits you see today use NPN transistors. As [Aaron Danner] points out, many people think PNP transistors are “backward” but ...

Class 12 Physics Syllabus 2023-24 PSEB: The Punjab School Education Board (PSEB), on 22nd February, 2024 (Thursday) will conduct the Class 12 Physics exam. This will be the first major paper for ...

Based on the knowledge developed in the previous tutorials, we now start the study of this important electronic component. We have thus created a PNP transistor. Figure 1: A PNP transistor. The size ...

With this dry running protection system, you can prevent your water cooler’s motor from dry running and activate it for about one-third of the time only. This will reduce the wear and tear of the ...

Abstract: Electron extraction mechanism of the Punch-through (PT) NPN diode is fully investigated and experimentally demonstrated. Similar to the N-type Schottky barrier, the PT -NPN region in the PT ...

Testing power semiconductors is not always easy. Multimeters do not provide enough voltage or current to do a proper test. Testing with power supplies and resistors is fiddly. The simple tester ...