![]() In an FET transistor, these terminals are named drain, gate and source.Ī transistor also contains two PN junctions. The small current at one terminal is used to generate a larger current at the remaining terminals. In a BJT transistor, these are named the emitter (or negative lead), the base (which enables the transistor to function) and the collector (or positive lead). It's made of different types of silicone and contains three terminals. What parts make up a transistor?Ī transistor is essentially a number of diodes placed together. ![]() Like many electronic devices, transistors have continued to reduce in size, making them easier to apply to a range of computer microprocessors and other electronic items. Greatly impacting the electronics and technology industry, these new components were much smaller than previous counterparts and could be used across multiple applications, unlike the heavier, more costly and inefficient options from before. History of the transistorġ947 was the year when the transistor was invented at Bell Laboratories, USA. Our detailed guide will explain all that there is to know about transistors, including the history and definition of a transistor, the different types, how they work and some common uses. Transistors are found in an array of electronic circuits and applications. It does this by converting the input current and controlling the voltage running through the circuit. A transistor is a small electronic component, or semiconductor, that can be used as an amplifier or as a switch.
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