In high-power application scenarios such as industrial automation, new energy vehicles, and energy storage systems, the reliability of high current terminals directly determines the safety and operational efficiency of the equipment. As a national high-tech enterprise, Top-link Technology has developed a series of high current terminal solutions that meet the requirements of harsh working conditions with its profound technical accumulation and precision manufacturing capabilities. These solutions cover various connection methods such as crimping, welding (THR/SMT), and plug-in, providing end-to-end services from design to mass production for global customers.
Diversified connection methods, suitable for complex application scenarios
Top-link’s current terminals support crimping, soldering, and plug-in connection technologies, each optimized for specific scenarios. The crimping terminal achieves airtight connection between metals through high-precision cold pressing technology, and its anti vibration performance is particularly outstanding. It can withstand long-term mechanical impact and is widely used in new energy vehicle battery packs and industrial motor systems. Solder terminals are compatible with PCB board requirements, using high-temperature resistant solder (such as SnAgCu alloy) and optimized pad design to ensure solder stability in high temperature environments. They also support through-hole reflow soldering (THR) and surface mount (SMT) processes to meet the trend of electronic device miniaturization. The plug-in terminal has the core advantage of quick disassembly and assembly, and innovatively introduces a dual locking structure of spiral buckle and anti retreat outer ring, which not only retains maintenance convenience but also avoids the risk of accidental loosening, making it particularly suitable for photovoltaic inverters and charging pile equipment that require frequent maintenance.
Selection guidance: scientific matching from theory to practice
In the face of diverse application requirements, terminal selection requires a comprehensive evaluation of current load, environmental stress, and maintenance frequency. For example, in the field of strongly vibrating engineering machinery or rail transit, Toplink recommends using crimping terminals, whose structure optimized through finite element analysis (FEA) can withstand mechanical vibrations of over 20G; For communication power modules with limited space, SMT soldering terminals are preferred due to their low profile design. For plug-in terminals, special attention should be paid to the durability of the locking mechanism – Top-link has verified the stability of its contact resistance (Δ R<1m Ω) through 10000 plug-in tests to ensure reliability during long-term use.
