Surface Mount Technology (SMT) is practice of soldering or mounting surface mount devices (SMD) on the surface of a printed circuit board (PCB). The principle behind surface mount technology is different from the conventional soldering process to solder thru-hole electronic components.

This comparatively new technology uses different different soldering principles and equipments. Also the process is little more complex than thru-hole technology but offers better reliability and electrical conductivity.

What is Surface Mount Technology?

Surface Mount Technology is a soldering technology where surface mount electronic components, also known as surface mount devices (SMD) are mounted or soldered on the surface of the printed circuit board. This technology uses solder paste in place or solder wire that is used in thru-hole soldering process.

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