UCZ Dry Circuit Pressure Contacts

ITT's beryllium-free UCZ series connector saves valuable board space in handheld devices

Image of ITT Interconnect Solutions' UCZ Dry Circuit Pressure ContactsThe challenge: Within the hand-held market, high hertz forces and effective repeatability are important factors to maintain product reliability. A customer approached ITT looking for these benefits in a small form-factor. They were interested in an improved VSWR with reduced real-estate space and beryllium-free materials. The customer contacted ITT based on their strong history as a supplier of over 4 billion standard contacts without a single field failure.

The engineered product solution: ITT met the customer's challenge with the UCZ product series. Selecting titanium copper alloy in lieu of the industry-standard beryllium copper was key in the product's development. Titanium copper alloy allows the user a beryllium-free contact verses a RoHS compliant connector that does not sacrifice electrical or mechanical performance. Once the alloy was tested and achieved positive results, the thickness and required radii were determined to achieve high hertz forces, maximum deflection, and low contact resistance.

Universal Contact Series SMT Contacts


  • Reduced footprint/pad layout saves space on the board
  • Manufacturing forgiveness in sub-assembly tolerance
  • Improved electrical performance
  • 100% green materials
  • 25% reduction in length, freeing up board space compared to industry standard
  • Improved RF performance for antenna applications
  • Beryllium free
  • Six free heights
  • Heights available: 1.8 mm, 2.5 mm, and 3.5 mm
  • Smart-phones
  • GPS navigation devices
  • Medical hand-held monitoring devices
  • Military communication devices
  • Computing equipment
  • Security systems

UCZ Dry Circuit Pressure Contacts

ImageManufacturer Part NumberDescriptionAvailable Quantity
120220-0311 datasheet linkMICRO UNIVERSAL CONTACT Z 1.8MM120220-0311MICRO UNIVERSAL CONTACT Z 1.8MM82439 - Immediate
120220-0311 product page link
120220-0310 datasheet linkMICRO UNIVERSAL CONTACT Z 1.3MM120220-0310MICRO UNIVERSAL CONTACT Z 1.3MM64406 - Immediate
120220-0310 product page link
120220-0314 datasheet linkMICRO UNIVERSAL CONTACT Z 3.5MM120220-0314MICRO UNIVERSAL CONTACT Z 3.5MM47899 - Immediate
120220-0314 product page link
120220-0313 datasheet linkMICRO UNIVERSAL CONTACT Z 3.0MM120220-0313MICRO UNIVERSAL CONTACT Z 3.0MM35821 - Immediate
120220-0313 product page link
120220-0315 datasheet linkMICRO UNIVERSAL CONTACT Z 4.0MM120220-0315MICRO UNIVERSAL CONTACT Z 4.0MM26013 - Immediate
120220-0315 product page link
120220-0312 datasheet linkMICRO UNIVERSAL CONTACT Z 2.5MM120220-0312MICRO UNIVERSAL CONTACT Z 2.5MM6973 - Immediate
120220-0312 product page link
Published: 2013-10-08