7 Best Practices When Choosing an EMS Provider

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How to Find Your Perfect EMS Match

Electronic Manufacturing Services (EMS) providers are companies that specialize in the design and manufacture of electronic products, from simple PCB assemblies to complex devices such as smartphones and medical equipment. When it comes to pairing with the perfect EMS provider, several best practices can help ensure that your project finishes on time, within budget, and to your specifications.


1. Clearly Define Requirements

First and foremost, it’s important to clearly define your project requirements. Before engaging with an EMS provider, take the time to clearly define what you need in terms of the product’s specifications, including any performance requirements, regulatory compliance, and the final product’s desired form factor. This will allow the EMS provider to properly assess the feasibility of the project and provide an accurate quote. Furthermore, it will help in avoiding any miscommunication, or misunderstanding during the production process.

2. Look for Expertise in Your Industry

Additionally, it’s important to work with an EMS provider that has experience and expertise in your specific industry. Many EMS providers have specialized in certain industries, like medical, automotive, or IoT, and will have a deep understanding of the unique requirements and challenges that come with those industries. They will also be able to advise on new innovations and materials to ensure the product meets the necessary compliance regulations. Tip: research certifications, such as ISO 13485 or 9001, to see the capabilities of different companies. 

3. Chat with Them Openly

It’s also important to establish strong and open communication with your EMS provider throughout the production process. This means being available to answer questions and provide feedback promptly, and keeping the EMS provider informed of any changes to the project or production schedule. In action, this form of interaction helps to minimize delays and ensure that the production is according to your specifications.

4. Scout for Modern Equipment

When it comes to the production process, it’s advised to work with an EMS provider that utilizes modern and high-tech manufacturing equipment. This includes things like automated pick-and-place machines, reflow ovens, and advanced testing equipment (AOI Inspection, X-ray Evaluation, etc). Using modern equipment helps ensure that your production is efficient and highly accurate, which helps to reduce the chance of defects and improve the overall quality of the final product.

5. Spot the Control on Quality

Quality control is another crucial component to consider when working with an EMS provider. This means that the provider should have a robust quality management system in place, including inspection and testing procedures, to ensure that your product meets your specifications and complies with any necessary regulations. It’s also important to review the provider’s quality records, to get an idea of their past performance and identify any potential areas of concern.

6. Review Supply Chain Management Skills

In terms of materials, review the provider’s supply chain and logistics capabilities. This means assessing the provider’s ability to source materials, components, and subassemblies promptly, and managing the logistics of getting the materials to the production facility. Having a reliable and efficient supply chain is critical to ensuring that your product is produced on time and within budget.

7. Seek After-Sales Support

Finally, it’s best practice to choose an EMS provider that offers comprehensive after-sales support. This includes things like repair and maintenance services, product updates, and end-of-life support. This will ensure that your product stays in good working condition and is supported throughout its entire lifecycle.


Now, It’s Up to You!

In conclusion, when working with an Electronic Manufacturing Services (EMS) provider, it is important to define your project requirements, work with a provider that has experience and expertise in your specific industry, establish strong and open communication, utilize modern and high-tech manufacturing equipment, have a robust quality management system, review the provider’s supply chain and logistics capabilities, and choose an EMS provider that offers comprehensive after-sales support. By following these best practices, you can help ensure that your project is completed on time, within budget, and to your specifications. Whether Printed Circuit Board, Cable, Wire Harness, or Box Build Assembly,  the provider you work with is a reliable and trustworthy partner for your future projects as well.

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How are PCBAs Used in Medical Devices?

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Why are PCBAs Critical to Medical Devices?

Printed Circuit Board Assemblies (PCBAs) play a critical role in the development and functioning of medical devices. These devices, which include everything from diagnostic equipment to surgical instruments, rely on the reliable and efficient operation of their electronic components. PCBAs connect and control these components, making them a fundamental part of any medical device.


How do PCBAs Function in the Devices?

One of the most common ways to use PCBAs in medical devices is to control and monitor patient vital signs. For example, a patient monitor may use a PCB to track a patient’s heart rate, blood pressure, and oxygen levels. The electronic assembly in this device would likely include a microcontroller or microprocessor, which would instruct the device’s operation and interpret the data collected by the sensors. The PCBA would also include the necessary circuits and connections to power the device and display the information on a screen.


Diagnostic Equipment

Manufacturers also build electronic assemblies into diagnostic equipment such as imaging systems. X-ray machines, CT scanners, and MRI machines use PCBAs to direct the movement of the imaging equipment and process the data collected. These machines require precise management of the imaging equipment and use high-powered electronic components to generate and process the images. Overall, the PCBAs in these devices must be highly dependable and able to withstand the high radiation levels generated by the imaging equipment.


Surgical Instruments

Another important use of PCBAs in medical devices is in surgical instruments. Surgical robots, for example, require precise and reliable regulation of their motions. The assemblies boards in these devices command the motors that move the robot’s arms and perform the surgery. These PCBAs must be able to withstand the rigorous conditions of the operating room and be resistant to disinfectants and sterilization procedures.


Implantable Devices

An example of a highly specialized application of PCBAs in medical devices is implantable devices such as pacemakers and cochlear implants. Doctors and surgeons implant these devices in the body, and they must function for an extended period. The PCBAs in these devices need to be highly miniaturized and able to withstand the harsh conditions of the human body. They must also consume very little power and be able to function for long periods on small batteries.



PCBAs in medical devices have to go through a strict certification and compliance process with agencies such as FDA, to ensure that they are safe for use in medical applications. Manufacturers have to adhere to strict guidelines, such as those designated by ISO 13485:2016, for the materials used in the PCBA, the manufacturing process, and the quality control procedures to guarantee the PCBA is suitable for use in medical devices.



In conclusion, Printed Circuit Board Assemblies play a vital role in the development and functioning of medical devices, from patient monitors and diagnostic equipment to surgical instruments and implantable devices. The design and manufacturing of PCBAs for medical devices is a highly specialized field, requiring specific materials, manufacturing processes, and strict compliance with safety guidelines. With the advancement of technology, electronic assemblies will continue to be an essential component in the development of new and improved medical devices.

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