Ultra mini Nano connector equipped with cutting-edge twist pin technology, the diameter of contact is 0.18mm, contact spacing only 0.381mm which is the smallest contact spacing in the world, rated current 0.5A, which can be used in high-end medical equipment such as cardiac pacemaker, high-end medical instruments.

Brief Introduction of Twist Pin Contacts R381

  • Twist pin contact, contact spacing is 0.381mm, miniature with extremely small size
  • High-density interconnection, miniature, and light
  • Mount on PCB with SMT structure

Specification of Twist Pin Contacts R381

  • Environment temperature: -55℃ ~125℃
  • Vibration: 10Hz~2000Hz, 196m/s2
  • Random vibration: Power spectrum density 0.4G2/Hz, root mean square value of total acceleration 23.1G
  • Shock: 980m/s2 6ms
  • Rated current: 0.5A
  • Contact resistance: ≤30mΩ
  • Insulation resistance: ≥100MΩ 100DC
  • Dielectric strength: 100V
  • Durability: 200 times

The Twist Pin contact by its design and performance enables the system to meet the most severe requirements – often significantly more so than stipulated in the MIL-DTL-83513 and MIL-DTL-32139 standards. The male Micro-D contact is made up of 10 strands of beryllium-copper and copper alloy twisted together, welded then bumped. These sprung strands are in fact compressed during insertion into the turned female contact and therefore a high number of electrical contact points are permanently assured while retaining flexibility and ease of insertion/extraction. The bulged point will be compressed inside the socket during insertion. Insertion and retention performance of the twist pin and socket mated pair. Both socket contact chamfer and twist pin hemispherical radius contribute to ensuring adequate insertion even in case of misalignment. 

Explore Our Industry & Solutions

  • Automotive

    Sunkye automotive connector allows customers to customize the configuration, make it easy to assemble, and further enhance flexibility, the ability to integrate local cables and components, and the ability to adapt to harsh environments.

  • Aerospace

    Connectors are almost everywhere in aerospace applications. Sunkye's connector uses advanced computer modeling to ensure optimal performance and then designs products that are easier to use, more reliable, and lower in actual cost.

  • Military / Defense
    Military / Defense

    The performance of products in the signal intensive environment depends on their phase stability. Sunkye's engineers have professional knowledge and rich experience to provide you with better solutions. Come to choose our high quality and professionalism.

  • Aircraft / UAV
    Aircraft / UAV

    The UAV connector is an important basic component. As a bridge to transmit signal and power, it must pass strict tests before it can be used in aircraft / UAV applications.

  • Oil & Gas & Marine
    Oil & Gas & Marine

    Sunkye produces mil-spec connectors focused on oil, gas, and marine applications that can adapt to the most demanding environments, including extreme temperatures, vibrations, and shocks.

  • Medical and Healthcare
    Medical and Healthcare

    Electronic systems in medical devices and probes rely on sensor signals for precise control, diagnosis and treatment. Our connectors are designed and manufactured to strict standards to meet the stringent requirements of medical applications.

  • Custom Connector
    Custom Connector

    Sunkye's customized connector can be designed according to different needs, suitable for different special application environments, and improve industrial differentiation and product competitiveness.

Sunkye Connection Technologies provides a wide product portfolio with a complete interconnect solutions offering. Sunkye connectors and cables assemblies are complementary with Sunkye backshells and conduits.