Industry peers are likely familiar with the SMT and THT soldering processes.
#SMT refers to Surface Mount Technology, while
#THT is a through-hole soldering process. Each has its advantages and disadvantages, and the choice between them depends on the soldering requirements and the characteristics of the product to be soldered. Here, I'd like to provide a detailed analysis of the differences between SMT and THT.
✳ What is SMT?
SMT stands for Surface Mount Technology. It is the most popular process and technology in the electronics assembly industry. It involves mounting surface mount components, which have no or short leads, on the surface of PCBs or other substrates and then soldering them using reflow soldering techniques.
✳ What are the characteristics of SMT?
SMT features a compact structure, small size, vibration resistance, impact resistance, good high-frequency characteristics, and high production efficiency. However, SMT components are typically small, have many solder joints, and are difficult to inspect. SMD parts are prone to damage if they fall, and the production equipment is more expensive.
✴ What is THT?
THT (Through-Hole Technology) involves inserting component leads into the circuit board and soldering them securely. THT uses leaded components, circuit connection wires, and mounting holes designed on the printed board. By inserting component leads into the reserved through-holes on the
#PCB, temporarily fixing them, and soldering on the other side of the substrate, reliable solder joints are formed, establishing long-term mechanical and electrical connections.
✴ What are the characteristics of THT?
THT soldering uses through-hole technology, providing secure physical connections, thermal resistance, and power handling capabilities, making the circuit board more durable. However, through-hole technology limits the wiring area on multilayer boards, as both sides of the board need to be soldered, making the process more time-consuming.
🔰 Comparing SMT and THT technologies
a. SMT is easier to assemble, allowing components to be assembled into smaller, more precise board sizes, while THT enables solid soldering between the circuit board and electronic components.
b. SMT assembly uses SMD technology, while THT uses through-hole lead technology.
c. SMT soldering technology is simpler and more convenient, making production and processing more efficient.
♻ For more information about fast SMT processing samples, high-end PCBA processing, SMT chip processing prices, and other details, please visit Rich Full Joy Electronics for a detailed understanding.
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