SMT, EMS, PCBA and OEM are some commonly used terms in the field of electronic manufacturing, and there are the following differences between them:

1.SMT (surface mount

Technology (surface mount technology): SMT is an electronic component mounting technology, which directly solders components to the surface of printed circuit board (PCB) instead of the traditional pin insertion method. SMT technology can improve production efficiency, reduce circuit board size and improve circuit performance.

2.EMS (electronic manufacturing

Service: EMS is an enterprise or organization that provides comprehensive electronic manufacturing services. EMS usually provides a series of electronic manufacturing services from PCB manufacturing, component procurement, SMT assembly, testing and maintenance to meet customer needs.

3.PCBA (printed circuit board

Assembly: PCBA is to weld various electronic components (such as chips, resistors, capacitors, etc. ) to the printed circuit board (PCB), and complete the final PCB assembly through assembly, testing and debugging. PCBA includes circuit board manufacturing, component procurement and assembly process design.

4.OEM (original equipment

Manufacturer: OEM means that a company or organization undertakes the whole process of product design, manufacturing and sales, and provides its products to other companies for sale or repackaging. OEM is usually used to describe companies that produce products for other brands.

To sum up, SMT is the installation technology of electronic components, EMS is the company or organization that provides comprehensive electronic manufacturing services, PCBA is the process of assembling electronic components to printed circuit boards, and OEM is the original equipment manufacturer that a company manufactures products for other brands. They play different roles and provide different services in the field of electronic manufacturing.