Skip to content

What is semiconductor device? electronic component in PCBA


1. What is called semiconductor device?

What-is-called-semiconductor-deviceA semiconductor device is a piece of electronic equipment that uses the properties of semiconductors to process electrical signals. The most common semiconductor devices include transistors, diodes, light-emitting diodes (LEDs), solar cells, and integrated circuits.

Semiconductors are materials that conduct electricity only under certain conditions. They are widely used in modern electronics because they allow electrical signals to pass through them without being affected by external influences. For example, transistors are semiconductor devices that control the flow of electric current.

Semiconductors are essential parts of integrated circuits (IC). ICs are found everywhere today, from computers to smartphones.

2. How many types of semiconductor devices are there?

There are many types of semiconductors devices used for different purposes such as computers, cell phones, televisions, cars, etc. Some examples include transistors, diodes, integrated circuits, microprocessors, memory chips, solar cells, light-emitting diodes, lasers, photodetectors, and other electronic components.A few of them are briefly introduced below:How-many-types-of-semiconductor-devices-are-there

2.1 Transistor

A transistor is an electronic component that controls the flow of electric current between two terminals. It consists of three layers: the base, collector, and emitter. The base layer is connected to the input terminal while the collector is connected to the output terminal. The emitter is connected to the ground. When the input signal is applied to the base, the electrons move toward the emitter. This causes the voltage at the collector to increase. If there is no more current flowing to the emitter, then the transistor will be turned off.

2.2 Integrated Circuit (IC)

An integrated circuit is a combination of several transistors on a single chip. A typical IC contains millions of transistors. An IC can perform multiple functions simultaneously.

2.3 Microprocessor

A microprocessor is a small computer inside your smartphone, tablet, laptop, car, TV, microwave oven, refrigerator, washing machine, air conditioner, and so on. It processes data and instructions to make decisions.

2.4 Memory

Memory is another type of semiconductor device. It stores information temporarily until it is needed again. Memory can be either volatile or non-volatile. Volatile memories lose their contents when power is removed. Nonvolatile memories retain their content even after power is removed. Examples of nonvolatile memories include flash memory, read-only memory, and random access memory.

2.5 Logic Gate

A logic gate is a basic building block of digital circuitry. Logic gates are often used to combine inputs to create new outputs.

2.6 Optical Diode

An optical diode is a semiconductor device that converts light energy into electrical energy.

2.7 LED

A light emitting diode is a semiconducting material that emits visible light when electrically biased. LEDs have been used in lighting since the 1960s. Today, LEDs are commonly used in traffic lights, home appliances, and medical equipment.

2.8 Photodiode

The photoelectric effect occurs when photons strike a metal surface and knock loose electrons from the atoms in the metal. Photons are particles of light. They carry energy and momentum.

2.9 Solar Cell

A solar cell is a device that uses the sun’s energy to generate electricity. Solar cells convert sunlight directly into direct current electricity using the photovoltaic effect.

2.10 Thermoelectric Power Generator

Thermoelectrically powered generators use heat to produce electricity. Heat is generated by burning fuel or by some other means. The heat is transferred to a thermocouple which produces a temperature difference across its junction. The resulting electromotive force generates electricity.

3. What is the advantage of semiconductor devices?

advantage-and-disadvantage-of-semiconductor-devicesThere are many advantages of using semiconductor devices in our daily life. For example, they are very reliable because they do not wear out like mechanical parts. Also, they are inexpensive compared to mechanical components. In addition, they consume less space than mechanical components.

Other advantages include:

● They can be made smaller than transistors or traditional devices.
● They have fewer moving parts.
● They’re easier to manufacture.
● They have higher speed and lower power consumption.
● They can operate on less voltage.
● They can withstand high temperatures.
● They have better performance in terms of speed and efficiency.
● They can be used to create circuits that were previously impossible.

4. What are the disadvantages of semiconductor devices?

Just as there are many advantages that come with using semiconductor devices, there are also disadvantages to using semiconductor devices.

Some of these disadvantages include:

● They require more time to develop.
● They are difficult to repair.
● They are expensive.
● They cannot be repaired if damaged.
● They may fail at low temperatures.
● They may fail due to aging.
● They may fail if exposed to moisture or dust.
● They may fail during manufacturing.
● They may fail during testing.
● They may fail when subjected to extreme conditions such as radiation.

5. Where are semiconductor devices used?

Semiconductor devices are used everywhere. They are used for everything from computers to cell phones. The semiconductor industry has grown rapidly since the 1950s when integrated circuits were first developed. Today, the semiconductor industry is one of the largest industries in the world.

Household appliances

Power supply and charger

LED lighting

Network communication

Automotive electronics

Smart Meters and Instruments

Internet of Things and VR/AR Application

High Power Power Conversion

Photovoltaic application



6. Why semiconductors are used in devices?

Semiconductor technology has developed at a rate faster than Moore’s law for decades, allowing us to pack more transistors into less space. This allows us to create smaller, cheaper, and more powerful computers. The development of semiconductor technology also allowed us to create new types of electronic devices such as cell phones, tablets, and other portable electronics.And this fundamentally benefits from the application of semiconductor materials in devices.

The characteristics of semiconductor materials are as follows:

◊ Common semiconductor materials include silicon, germanium, gallium arsenide, etc., among which silicon is the most widely used and most influential material.

◊ The electrical conductivity is between that of a conductor and an insulator.

◊ Thermal and photosensitive properties. When a semiconductor is stimulated by external light and heat, its conductivity will change significantly.

◊ Most semiconductor materials are crystalline.

◊ Doping a very small amount of impurities in semiconductor materials can greatly increase its conductivity

7. What’s the difference between semiconductor devices and semiconductor chips?

difference-between-semiconductor-devices-and-semiconductor-chipsA semiconductor chip is the part of an electronic circuit that performs logic operations. It consists of thousands or even millions of microscopic transistors. These transistors are connected together to form gates, diodes, resistors, and capacitors. Each transistor contains three terminals: source, drain, and gate.

Basically, semiconductor devices are electronic components such as transistors, diodes, resistors, capacitors, inductors, etc., while semiconductor chips are the actual physical pieces of silicon used to build these devices.

8. What causes semiconductor devices to fail?

Semiconductors fail due to overheating, which leads to thermal runaway. Thermal runaways occur when heat builds up inside a device causing it to increase temperature faster than it can dissipate. The main cause of thermal runaways is poor design decisions made during product development. Other causes include defects in materials, manufacturing errors, and improper use.

9. What material is used in semiconductors?

Silicon is one of the most important materials used in electronics manufacturing. The silicon wafers are sliced from large blocks of silicon crystal. These wafers are then polished to create a smooth surface for further processing. Once the wafer has been processed, it is diced into individual chips. Silicon is the only material that can be easily manufactured on a mass scale.If you are looking for a silicon wafer manufacturer, then you can browse the article on IBE website-Top 10 China silicon wafer manufacturers.


In conclusion, we have learned what semiconductor devices are. We discussed the advantages and disadvantages of semiconductor devices, and why they fail. We looked at the different types of semiconductor devices and their uses. And we also talked about the difference between semiconductor devices and semiconductor chips.

IBE is a one-stop PCBA service manufacturer, who provide PCB design, PCB Fabrication, PCB assembly (DIP/ SMT assembly), and electronic components and devices procurement. IBE has been in PCBA industry for 17 years and formed a formal components channel for procurement like reputable agents like DigiKey and Mouser. Besides, Strict quality review will be carried out before purchasing. We have a separate quality control department and professional staff to verify the quality of components.

Related post



Product Categories

Most Popular

Contact Us

IBE News

Related Posts


INDUSTRIES WE SERVE Click on each industry to learn more about how we make custom printed circuit board solutions for each market.Our industries served include

Read More »