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The PCB board has both the solder joint and the component's body on the same side.įeatures of the surface mount devices are: To help distinguish the two clearly, let us have a look at the features that make up SMT:Ĭomponents used don't possess lead or can utilize short leads Additionally, surface mount devices are minute compared to the through-hole incorporation process. It must be understood that the surface mount technology can work without reserving components for via hole pins. The elements or components employed in this process are what can be considered as the SMD.
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In simple terms, SMT encompasses the whole process of soldering and mounting electronic elements, including capacitors, integrated circuits, resistors, transistors, among others onto the PCB board. Surface mount technology (SMT) is a process while surface mount device is the device. The Differences between SMT PCB & SMD PCBįundamentally, SMD PCB and SMT PCB are different. This is made easy by many SMT components, including SMT resistors and SMT capacitors, passive SMDS, diodes, integrated circuits, transistors, among others. Currently, it is the primary technology employed in manufacturing electronics and assembling PCB. This led to the discovery of SMT PCB technology that utilized SMT components and since then, the benefits of this technology have been witnessed. Rather, it encompasses soldering elements or components onto the board directly. With the PCB assembly, the process doesn't employ the passing of the lead via the board. The approach also dragged the assembly of PCB and significantly leads to increased costs. This issue led to the frequent intervention of the devices to solve the problem of unfitting components that made machines stop working. This method was rather challenging to handle since lead didn't fit the holes that become tight over time. These processes needed lead to be fitted at the correct pitch to foster easy replacement through holes. The components used such as capacitors and resistors required leads to integrate the circuit and fit them through holes. Traditional through-hole technology with leads employed since the 1980s made it daunting when assembling PCB boards. It is a modern technique that has hugely replaced traditional through-hole technology in different electronic equipment. Surface mount technology is a complex circuitry technique of mounting components onto PCB surfaces. Besides offering enough space, SMT enables the soldering process and automated PCB assembling to be easy thus saving the overall cost and boosting reliability.
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The technology also gives a significant benefit since the perception of using minute SMT components allows several electronics to be accommodated in a somewhat smaller space. Technically, all the electronic equipment designed today employs this technology since it provides an enormous benefit when it comes to the PCB process. This is made easy through a technology referred to as the SMT or (surface mount technology). Alternatively, today's electronic equipment uses small components that are mounted on the board's surface to serve a similar purpose. Traditional types utilize wire leads to connect components from one section to another similar to the idea used for kits and home construction. You all can attest that electronic types of equipment are nowadays employing smaller devices than their traditional electronic equipment counterparts.