applications of PCB

Top 10 PCB applications:

Printed circuit boards, or PCBs, are integral to electronic components. Most people use them every day without thinking about it, and they are essential in various industries. There are many PCB applications, but we will include 10 of the most common uses of the printed circuit board.

What Is a Printed Circuit Board For?

PCB boards connect electronic components. They are an essential part of the electrical equipment we use in our daily lives in various industries. They are made of non-conductive material and have lines, pads, and other elements engraved on copper sheets that connect the product's electronic components. Components such as capacitors and resistors are also sold on different PCBs.

Today, PCBs in electrical equipment are widespread, and there are different types of PCBs. They can be single-sided, double-sided, or multilayer. They can be complex, flexible, or contain solid and loose components.

Types of Meeting Procedures:

Two main methods are used for PCB applications - thru-hole and surface mount.

1. Thru-Hole Mounting:

In the thru-hole installation process, the connector lays the top part of the holes drilled in the empty PCB. This technology is the first used in PCBs.

Thru-hole technology creates stronger connections than high-speed technology used for applications requiring high reliability. The tracks run to the board instead of sticking with solder as in-place installation. Thru-hole technology has helped test and deploy applications that require manual repair of parts.

2. Facelift:

The components are inserted directly into the PCB area using solder in the complete installation process. This method was developed in the 1960s and has been popular since the 1980s. Today, it is the most commonly used method of input. Mounting boards use small components called vias, instead of thru-hole sections, to connect various layers of PCB.

Using surface mounting allows the connector to attach the parts to both sides of the board. The mounted pieces may be smaller, allowing more features to fit on a single board. This reduces costs and allows electrical appliances to become smaller and smaller over the years. Uploading can also be completed quickly and is less costly than thru-hole installation, further reducing costs.

What Are the Common Uses of PCBs?

Because so many different industries use PCBs, you can find them in just about everything from small consumer devices to large machines. Where are printed circuit boards used? Here are 10 of the most common PCB applications in the industry.

1. Medical Devices:

The healthcare sector uses increasing PCBs as technology evolves, introducing new capabilities. PCBs play a role in diagnostics, monitoring, treatment, and more devices.

Particular attention should be paid to ensuring reliability when producing medical PCBs because efficiency can significantly affect a patient's health. PCBs must also meet strict sanitation standards in many cases, especially those used for plants. Boards are used for plants and many other applications, such as emergency room monitors.

It should also be relatively small. As a result, most medical PCBs are high-density interconnect, or HDI.


PCBs used for medical devices such as:


  • Medical imaging systems: CT, CAT, and ultrasonic scanners typically use PCBs, as computers assemble and analyze these images.
  • Observers: Heart rate, blood pressure, blood sugar monitors, and depend on electronic components for an accurate reading.
  • Injectable water pumps: Injectable pumps, such as insulin and analgesia pumps controlled by the patient, deliver precise amounts of fluid to the patient. PCBs, help ensure that these products work reliably and accurately.
  • Internal Equipment: Cardiac connectors and other internal equipment require small PCBs to operate.
  • The medical profession continues to come up with more and more electronic devices. As technology evolves and boards become smaller, thicker, more reliable, PCBs will play a critical role in health care.

2. LEDs:

 Light-emitting diodes, or LEDs, are increasingly popular lighting technology used in residential and commercial lighting and many industries, including the automotive, medical, and computer technology industries. LEDs are famous for their energy efficiency, longevity, and consistency.


PCBs play a role in LED systems to transmit heat away from the lamp. High temperatures reduce the intermediate life of the LEDs. For this reason, PCBs used for LEDs are usually made of aluminum, which can transfer heat better than other metals. This eliminates the need for an additional heat sink in the design and is less congested.


You can find LED PCBs at:

  • Living space lighting: LED lighting, including intelligent bulbs, helps homeowners illuminate their buildings more effectively.
  • Storefront lighting: Businesses can use LEDs to display signs and illuminate their stores.
  • Vehicle indicators: Dashboard indicators, headlights, brake lights, and more may use LED PCBs.
  • Computer Displays: LED PCBs enable multiple indicators and indicators on a portable computer and desktop.
  • Medical lighting: LEDs provide bright light and low heat, making them suitable for medical applications, especially those related to surgery and emergency medicine.

LEDs are becoming more and more common in operating systems, which means that PCBs will likely continue to play a more prominent role in lighting.

3. Consumer Electronics:

Cell phones, computers, and many other products that people use daily need PCBs to work. As we add electronics to our many products, PCBs become a big part of our daily lives.

Manufacturers are producing smaller and smaller smartphones and laptops with more advanced power, requiring smaller PCBs with higher communication volume. Consumer PCBs for consumer electronics also require a lower cost to keep the product price low. Manufacturers are also looking for reliable boards because they need their products to work as they are expected to stay in business.


An extensive list of consumer products uses PCBs that include:


  • Communication Equipment: Cell phones, tablets, smartwatches, radios, and other communication products require PCBs to operate.
  • Computers: Your computers are both personal and business PCBs.
  • Entertainment Systems: Entertainment-related products such as televisions, stereos, and video game consoles depend on PCBs.
  • Household appliances: Many household appliances also have electronic components and PCBs, including refrigerators, microwaves, and coffee makers.

The use of PCBs in consumer products certainly does not diminish. The proportion of Americans who own a smartphone is now 77 percent and growing. 

Any previously non-electronic devices now also benefit from the improved electronic performance and become part of the Internet of Things (IoT).

4. Industrial Equipment:

The use of a printed regional board in the industrial sector varies greatly. Electrical components enable many tools in manufacturing and distribution centers and other types of industrial equipment.

PCBs used in the industrial sector often need to be strong enough and strong enough to withstand the harsh conditions in industrial facilities. PCBs may need to withstand the abuse, moving machinery, overheating, or harsh chemicals. To meet this need for durability, industrial PCBs can be made of durable materials or heat-resistant materials and are more significant than other types of PCBs. Industrial PCB integration services can incorporate thru-hole technology to increase durability.


Some of the industrial applications for PCBs include:


  • Manufacturing Equipment: PCB-based machinery and printing equipment used in production.
  • Electrical Equipment: Energy components for many types of industrial equipment use PCBs. These electrical appliances include DC-to-AC power converters, solar power converters, and more.
  • Measurement equipment: PCBs generally enable tools to measure and control pressure, temperature, and other factors.

As robots, industrial IoT technologies, and other forms of advanced technology become more common, new uses of PCBs are emerging in the industrial sector.


5. Car Parts:

Car manufacturers use a growing number of electronic components in their vehicles. In the past, PCBs were used not only for items such as window blinds and front light switches, but today they enable many advanced features that make driving safer and more accessible.


Depending on the part of the PCB used in the vehicle, it may need to withstand high temperatures or vibrations. It is also essential to act responsibly when engaging in a car safety feature. Because of these challenges, manufacturers can use high-quality laminates, aluminum or copper substrates, or components mounted on a thru-hole. They also use strong PCBs because of their ability to withstand vibrations.


Today, you can find PCBs in car parts such as:


  • Entertainment & Navigation Systems: Stereos and systems that combine navigation and entertainment depend on PCBs.
  • Control systems: Many systems that control the essential functions rely on electrical equipment powered by PCBs. This includes engine control systems and fuel controls.
  • Sensors: As cars progress more rapidly, manufacturers are adding more sensors. These sensors can monitor blind spots and alert drivers of nearby objects. PCBs are also required for systems that allow vehicles to park automatically.

These sensors are part of what makes cars so self-driving. Fully autonomous vehicles are expected to become more common in the future, so many printed circuit boards are used.

6. Aerospace components:

The electrical equipment used in aerospace systems has the exact requirements as those used in the automotive sector, but space PCBs can be exposed to even worse conditions. PCBs can be used for various space applications, including airplanes, spacecraft, satellites, and radio communication systems.


The construction of the Aerospace PCB requires the use of materials that can withstand high vibration values, high temperatures, and other complex conditions. Some space PCBs even require the ability to work in outer space and be extremely powerful. Boards made of lightweight materials such as aluminum are also beneficial in the aerospace environment. Anodized aluminum may be used to increase oxidation resistance.


Other uses of PCBs in the aerospace sector include:

  • Electrical Equipment: PCBs are an integral part of the equipment that powers various aircraft, control towers, satellites, and other systems.
  • Monitoring equipment: Pilots use various monitoring equipment, including accelerometers and pressure sensors, to monitor the aircraft's performance. These monitors often use PCBs.
  • Communication Equipment: Communication and ground control are essential for ensuring a safe flight. These critical systems rely on PCBs.

7. Marine Applications:

All types of marine vessels and systems rely on PCBs to operate. This includes small ships, large cargo ships, submarines, communication systems, and navigation equipment.


The PCBs used for marine applications must be able to withstand harsh conditions. Manufacturers of marine PCBs emphasize reliability as it is essential for the safety of workers and passengers that electrical equipment works well.


  • Navigation systems: Many marine vessels rely on PCBs for their navigation systems. You can find PCBs in GPS and radar systems and other devices.
  • Communication Systems: Radio systems used by personnel to communicate with ports and other vessels requiring PCBs.
  • Control systems: Many cruise control systems, including engine control systems, power distribution systems, and automatic steering systems, use PCBs. These automated driving systems can help by stabilizing the boat, directing, minimizing subject error, and managing pin work.

8. Safety and Security Items:

Whether domestic, commercial, or government buildings, many aspects of security systems rely on PCBs. They play a role in our safety and security more often than most people realize.


The correct type of PCB depends on its specific application, but all PCBs used for safety and security applications require reliability because these products must continuously operate as expected to function correctly. Other protective devices can be used externally and should use PCBs to withstand external influences.


Other safety and security devices that use PCBs include:


  • Security Cameras: Security cameras, whether indoors or outdoors, rely on PCBs, as do the equipment used to record security surveillance.
  • Smoke detectors: Smokers and other similar devices, such as carbon monoxide compounds, require reliable PCBs to operate.
  • Electronic Door Locks: Modern door locks also include PCBs.
  • Mobility sensors and burglar alarms: Safety sensors that detect movement also rely on PCBs.
  • PCBs play an essential role in many types of protection equipment, significantly as many of these products acquire the ability to connect to the Internet.

9. Communication Equipment:

PCBs are an integral part of the telecommunications industry. They are needed for consumer devices such as smartphones and the infrastructure that makes those devices work.


The telecommunications industry uses a wide variety of PCBs due to the wide range of equipment used in the industry. Some equipment is stored in a stable indoor environment, while some infrastructure must withstand external influences, including storms and high temperatures.


Telecom equipment such as the following requires PCBs:


  • Telecom towers: Mobile towers receive and transmit signals from mobile phones and require PCBs that can withstand external influences.
  • Office Communication Equipment: Most office equipment available at the office requires PCBs, including switching systems, modems, routers, and Voice over Internet Protocol (VoIP) devices.
  • LED indicators and indicators: Telecom equipment usually incorporates LED indicators and indicators, which use PCBs.
  • The telecommunications industry is constantly evolving, as are the PCBs used by the industry. Robust PCBs will be critical to communication as we produce and transmit additional data.

10. Military and Defense Applications:

Soldiers use PCBs for various applications, including communication tools, computers, cars, guns, and more.


PCBs used in military systems must be uniquely reliable and durable. They may be exposed to extreme conditions and contribute to national security. The military uses very hot laminates, aluminum, and copper materials because of their ability to withstand harsh conditions such as high temperatures. Anodized aluminum can be used for its oxidation resistance. Some printed circuit board applications may also benefit from improved reliability of thru-hole technology.


Other military uses and protection of PCBs include:


  • Communication Resources: Radio communication systems and other vital communications require PCBs to operate.
  • Control systems: PCBs are centralized to control systems for various types of equipment, including radar jamming systems, arrow detection systems, and more.
  • Tools: PCBs enable the guides used by military members to monitor threats, carry out military operations, and operate the equipment.
  • Soldiers are often on the cutting edge of technology, so defense applications are one of the most advanced uses of military PCBs. The use of military PCBs varies greatly.

By hqt001