HARWIN 7.25 mm Grounding Contact Surface Mount with Tin over Nickel plating S1951-46R

HARWIN S1951-46R 7.25 mm Grounding Contact is a high-quality surface mount grounding/RFI spring contact manufactured from beryllium copper alloy. It features tin over nickel plating to provide excellent corrosion resistance and low contact resistance of 20mΩ, ensuring reliable electrical connectivity at 7A current rating.

The compact design with a height of 7.25 mm, length of 9.59 mm, and width of 5.7 mm makes this contact ideal for use on surface mount PCBs that interface with metal shields or frames. Its simple C-style spring design enables excellent spring force and positive mating contact, suitable for both wiping and sliding applications.

This grounding contact supports automated assembly with standard placement equipment and complies with EIA 481 industry standards. Multi-directional spring feature allows vertical and horizontal orientation, enhancing usability in PCB edge connections and chassis grounding.

Typical applications include point of sale (POS) tracking systems, home entertainment devices, industrial process control equipment, mobile power units, and motion control units. Its robust build is suited for industrial, laboratory, manufacturing, and electronic prototyping environments.

Made from beryllium copper alloy for durability and conductive reliability. Tin over nickel plating enhances corrosion resistance. Contact resistance of 20mΩ ensures low signal loss. 7A current carrying capacity for varied electronic applications.

Surface mount fixing method supports automated PCB assembly. Dimensions optimized for reliable mechanical and electrical contact. Multidirectional spring design suitable for complex mounting conditions. Complies with EIA 481 standard for grounding contacts.

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