The Definition of SMT

Surface-Mount Technology, often known as SMT, is a technique for securely fastening electrical components to the surface of a printed circuit board, or PCB. With the use of automated production, more of the assembly labor needed to make a functional board may be finished. By removing bottlenecks in the assembly line, it decreases the cost of production and raises the maximum output.

Another significant benefit of SMT over the previous “through-hole technology” approach. In the previous approach, electronic components were attached to a circuit board using specially shaped board holes.

This needed bigger parts, careful handling, and additional solder to firmly attach each component. Surface-mount devices (SMDs), which are electrical components, are swiftly sorted and connected to the top of the PCB using either tiny leads or no leads at all.