Common Semiconductor Components

Semiconductor components, as the name suggests, are mainly made of semiconductors. Electronic technology is changing with each passing day, and new semiconductor components are emerging in an endless stream. Semiconductor components have always been at the core of electronic components. Today, let us take a look at what are the common semiconductor components!

Diode

The diode invented by British scientist Fleming at the end of the 19th century and the beginning of the 20th century was also the first to apply semiconductors to electronic components. Times have changed, and in today's advanced technology, diodes are not uncommon, especially in various electronic circuits, using diodes and resistors, capacitors, inductors and other components to make reasonable connections to form circuits with different functions, which can realize Various functions such as AC rectification, detection of modulated signals, limiting and clamping, and voltage regulation of power supply.

Bipolar transistor

Semiconductor transistors are composed of two categories: bipolar transistors and field effect transistors. However, the invention and application of bipolar transistors are much earlier than field effect transistors, so it is customary to refer to bipolar transistors as triodes or transistors for short. Bipolar transistors are composed of two back-to-back PN structures, which carry electrons and holes during their operation, and they all participate in conduction, so they are called "bipolar", which is used to distinguish One of the important basis for a field effect transistor with carrier conduction.

Insulated Gate Field Effect Transistor

Now that we've briefly mentioned field effect transistors, let's look at them in more detail. A field effect transistor is a semiconductor device that uses the electric field strength generated by an applied voltage to control its conductivity. According to its structure, it can be divided into two categories: junction field effect transistor and insulated gate field effect transistor. Insulated gate field effect transistors are divided into N-channel and P-channel according to their different conductivity types, and each type is divided into two types: enhancement type and depletion type.

Semiconductor optoelectronic devices

Light and electricity are two different energies, and the mutual conversion is also reversible. Semiconductor devices can be used as media for optical and electrical energy conversion. The photons in the irradiated light can destroy the covalent bond of the semiconductor crystal under the action of light, and release electrons; and the energy emitted by the recombination of electrons and holes can also be radiated in the form of light of a certain wavelength under the action of an electric field. Semiconductor electronic devices for light, electrical energy or signal conversion use different materials and processes. The structures manufactured by us are called semiconductor optoelectronic devices.

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