SMD

SMD: It is an abbreviation for Surface Mounted Devices, meaning Surface Mount Devices, which is a type of SMT (Surface Mount Technology) component.

Apr 23,2025

SMD: It is an abbreviation for Surface Mounted Devices, meaning Surface Mount Devices, which is a type of SMT (Surface Mount Technology) component. In the initial stage of electronic circuit board production, through-hole assembly is completely completed manually. After the first batch of automated machines were launched, they were able to place some simple pin components, but complex components still needed to be manually placed before reflow soldering. Surface mounted components mainly include rectangular sheet components, cylindrical sheet components, composite sheet components, and irregular sheet components.

There are mainly chip transistors and integrated circuits, which include SOP, SOJ, PLCC, LCCC, QFP, BGA, CSP, FC, MCM, etc.

SMD

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