Despite the widespread adoption of SMT, Dual In-Line Package (DIP) and through-hole assembly continue to play a vital role in many electronic products.
DIP assembly involves inserting component leads through plated holes in the PCB and soldering them to form strong mechanical and electrical connections. This method provides superior joint strength compared to surface-mounted alternatives.
While SMT emphasizes compactness and automation, DIP focuses on durability and current-handling capability. Through-hole joints withstand higher mechanical stress, making them suitable for harsh environments.
DIP remains essential for power components, transformers, connectors, relays, and products exposed to vibration or thermal cycling, such as industrial control systems and automotive electronics.
Most contemporary assemblies use mixed-technology processes. SMT is completed first, followed by DIP insertion using selective wave soldering or manual soldering, ensuring both efficiency and robustness.
