solderable copper busbar vs thick copper PCB traces Guide
A comparison of thick-copper PCB traces and solderable copper busbars for BMS boards, local current bottlenecks, cost an...
Guide | Technical Guides & Company Updates — Page 7
Explore Hongchuan Metals technical guides, product information and company updates. Review PCB busbar, solder terminal and SMT nut selection considerations alongside the product catalog.
SMD busbar thickness for high current PCB Guide
How to choose SMD busbar thickness for 40A-120A high-current PCB paths by current, temperature rise, pad exit, copper we...
Why high-current terminals still overheat after tightening: bolt torque, contact resistance, and anti-loosening design
High-current terminal overheating is not always caused by an undersized terminal. Many failures come from insufficient b...
How to design tape-and-reel packaging for SMD copper bars: nozzle pickup, tape orientation, and SMT production poka-yoke
Whether an SMD copper bar can enter stable SMT production depends not only on current-carrying capacity, but also on car...
Why SMT nuts float, tilt, or lose torque after reflow: pad design and solder-paste opening guide
When SMT nuts float, tilt, show weak solder joints, or lose torque stability after reflow, the root cause is rarely the ...
Why high-current PCB via arrays overheat: pad exits, copper bottlenecks, and SMD copper bar reinforcement
High-current PCB via-array heating is rarely caused only by having too few vias. It is usually the combined result of pa...
Tin, nickel, or silver plating for welding terminals: a guide to contact resistance, salt spray, and soldering process on high-current PCBs
Welding-terminal plating is not simply a matter of choosing the most expensive finish. Tin, nickel, and silver plating s...
Why PCB welding terminals overheat or turn black: a guide to high-current terminal temperature rise, pad exits, and fastening checks
When a PCB welding terminal overheats, turns black, loosens, or discolors the board edge, the root cause is rarely one p...
Why 48V server power boards need SMD copper bars: GPU power delivery, high-current paths, and temperature-rise control
AI servers and GPU power architectures are pushing 48V board-level power delivery into higher power density. A 48V bus c...
Can SMD copper bars replace thick-copper PCBs? Cost and temperature-rise decisions for 2oz and 3oz high-current boards
When a high-current PCB starts depending on 2oz or 3oz copper, wider traces, or parallel layers, cost, process window, a...
Why AI data center power design is turning to busbars: GPU racks, 800VDC distribution, and high-current connection heating
AI servers and GPU racks are pushing data center power design from ordinary distribution into high-density, high-current...
How to choose M4, M5, and M6 welding terminals: a practical guide to hole size, cable size, current, and fastening space
Welding-terminal selection is not only about thread size. Behind common options such as M4, M5, and M6, the real decisio...