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Molex Product News

SlimStack™ ST7 0.35mm Pitch SMT Board-to-Board Connectors

Ideal for the thinnest mobile devices, the SlimStack ST7 0.35mm pitch board-to-board connector system offers the most space savings of any similar pitch system along with robust features that provide secure mating retention, terminal protection and reliable electrical contact.

The Molex ST7 series offers a narrow width, short length and low profile for ultimate space savings. This space savings becomes more important as the circuit size increases for mobile applications such as thin smartphones.

The SlimStack ST7 system also incorporates a variety of robust mechanical and electrical features to complement its space savings. These include a double friction lock system that helps ensure secure mating retention, which often becomes more of an issue as pitch and height shrink.

Other unique features include a sharp-edge terminal design that removes flux while locking into place and a tactile click feeling that helps assure operators of complete mating. The system also includes nickel-barrier plating to avoid the risk of flux wicking. The ST7 system will initially be offered in a 10-circuit version, with options of up to 40 circuits added later.

Features and benefits:

Ultra-narrow pitch and width, low profile and reduced length Maximum space savings
Terminal and nail friction locks Secure mating retention and electrical contact
Sharp-edge terminal design Removes flux contaminants for improved electrical contact
Bottom wall housing design Enables PCB tracing under housing for additional space savings
Cover nail Protection against damage during zippering-style unmating
Nickel-barrier plating Prevents solder wicking



  • Digital camera
  • Portable Media Players
  • Video/DVD products

Smart Phones and Mobile Devices

  • Mobile phone
  • Portable gaming


  • Tablet PCs
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