![]() ![]() ![]() On the body of the transistor, we find some text, this will tell us the part number which we can use to find the manufacturers datasheet. But for electronic circuits with small currents, we can just use the resin body transistors which do not require a heat sink. They will become much hotter as the current increases. Without the heatsink the components quickly reach 45 degrees Celsius (or 113☏) with a current of just 1.2 Amps. Mosfetįor example, inside this DC bench power supply, we have some mosfet transistors which are attached to large heat sinks. We usually find these metal body transistors attached to a heat sink which helps remove the unwanted heat. But higher power transistors will have a partly metal case which is used to help remove the heat generated, as this will damage the components over time. Small, low power transistors are enclosed in a resin case to help protect the internal parts. It can act as a switch to control circuits, and they can also amplify signals. Transistors are small electronic components with two main functions. We’re going to mostly focus on the bipolar version in this article. There are two mains types, the bipolar and field effect. Transistors come in many shapes and sizes. Scroll to the bottom to watch the YouTube tutorial. We’re going to learn how they work in detail in this article. Learn about transistors- one of the most important devices ever to be invented. ![]()
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