Selecting Reliable Connectors For Mobile Devices

September 05, 2013
By Anonymous

Connectors For Mobile Devices 

If you’ve spent any time looking for the right Connector to use in a smart phone or other mobile device, you might believe that all fine-pitch, low-profile connectors are created equal. But they’re not. In spite of similarities in package size and pitch, at least on their datasheets, these Connectors differ in subtle ways that can affect their reliability during the assembly process and in use.

Here are the key technical factors to consider when looking for a reliable connector for use in mobile devices:

  • Tolerates Mechanical Forces. The Board-To-Board and Board-To-FPC connections within mobile devices have to withstand substantial forces–from insertion forces during assemlby shock and vibration forces in use. A robust contact geometry is the first line of defense against these forces.

Connectors - Panasonic Industrial Devices

  • Contains The Solder. The low-profile Connectors used in mobile devices are susceptible to damage from solder rise. The best Connectors will provide an integrated nickel barrier to keep the solder in its place.
  • Resists Corrosion. Corrosive gases generated during the assembly process can damage Connectors, ultimately shortening their life. Look for Connectors with an anti-corrosion surface treatment.
  • Stays In Alignment. Coplanarity of the Connector pins may not be the most obvious product selection factor, but it directly affects insertion force and the Connector’s ability to withstand repeated insertions. Look for Connectors with the best coplanarity specs.

Panasonic designed the Fine-Pitch Connectors with all these technical factors in mind. The Tough Contact construction is built around a metal bellows whose spring forces strike a balance between easy insertion and resistance to shock loads. The Tough Contact design also features a notched cross section to ensures a high-force, edge-to-edge contact between connector halves. This v-shaped notch has the side benefit of sealing out contamination from flux or other particulate. Our Tough Contact system also features an integrated nickel solder barrier and a proprietary anti-corrosive treatment. Panasonic's Connectors also offer a best-of-class coplanarity of 0.08 maximum. Our Connector line for mobile devices includes Board-To-Board and Board-To-FPC products starting as small as 0.35mm pitch to 0.8mm pitch and mated height of 0.6mm.

For help selecting a product for your application, contact one of our application engineers.