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Diode and Transistors - What they are and How they Work
Home » Industrial Equipment » Electronic Components » Diode and Transistors - What they are and How they WorkThis section will cover both diodes and transistors because they are interrelated in some capacity. They are both semiconductor components used for the purpose of changing current flow in some form. Diodes are used to pass current in one direction only. Diodes are used as voltage regulators, tuning devices, frequency multiplying, mixing devices, switching, and even in logic circuits. You will even find some diodes that emit light. These are known as light-emitting diodes or LEDs.
Transistors come in two different types: n-type and p-type. Transistors work differently than other components. Transistors are not made of pure conductive material. Impurities such as gallium are added to the material to cause electron deficiencies to form. Or as scientist call them: holes. The holes are conductive to a point. When you take a piece of n-type material with p-type material, place them together, and apply voltage, current will flow from negative to positive side across the junction. This happens by the electrons going one way and the holes going another way. This is why transistors are good as switches and other kinds of applications.
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