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News

Stay up to date with our latest news, technical guides, and case studies

All News Guide Case
Why SMT nuts float, tilt, or lose torque after reflow: pad design and solder-paste opening guide
Guide · 2026.05.21

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
Guide · 2026.05.17

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
Guide · 2026.05.15

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
Guide · 2026.05.14

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
Guide · 2026.05.13

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
Guide · 2026.05.08

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
Guide · 2026.05.05

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
Guide · 2026.04.30

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...

How to size a busbar cross section: for 100A and 200A designs, start with current density, temperature rise, and connection points
Guide · 2026.04.29

How to size a busbar cross section: for 100A and 200A designs, start with current density, temperature rise, and connection points

In high-current design, a busbar cross section should not be scaled only from the current number. For 100A and 200A appl...

SMD copper bar, welding terminal, or direct wire soldering: how to choose a high-current PCB connection
Guide · 2026.04.28

SMD copper bar, welding terminal, or direct wire soldering: how to choose a high-current PCB connection

There is more than one way to build a high-current PCB connection. SMD copper bars are better for board-level current sh...

SMD copper bar pad design: solder paste openings, via arrays, and reflow soldering checks
Guide · 2026.04.22

SMD copper bar pad design: solder paste openings, via arrays, and reflow soldering checks

Reliable SMD copper bar performance depends not only on the metal part itself, but also on pad area, solder paste openin...

FR-4 PCB high-current add-ons: how to use SMD copper bars, SMT jumpers, and tape-reel packaging
Guide · 2026.04.21

FR-4 PCB high-current add-ons: how to use SMD copper bars, SMT jumpers, and tape-reel packaging

When ordinary FR-4 PCB copper cannot balance current capacity, temperature rise, layout space, and production consistenc...

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