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KA Series

MIL-DTL-55302 Compliant PCB connectors

High reliability KA series MIL-DTL-55302 compliant connectors offer signal contacts designed for demanding defense, commercial aerospace and space applications. The 2 and 3 row series are equivalent to MIL-DTL-55302 and offer flexibility not available with other interconnects. The 4 and 5 row versions are also available and offer up to 490 contacts.

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Features & Benefits

  • Featuring Hypertac® Hyperboloid contact technology
  • Contact mating cycle life up to 100.000 cycles
  • Available in 2-5 row series from 17 to 490 contacts
  • For the 2 and 3 row series: 0.100 [2.54] on center (adjacent rows offset by 0.050 [1.27] to allow straight printed circuit traces) – for the 4 and 5 row series: 0.100 [2.54] on center (adjacent rows in line with the next)
  • Straight dip, right angle solder, crimp, solder cup and Wire Wrap® terminations
  • 0.024 [0.60] diameter pins/sockets rated at 4 Amps (9 A at 30°C rise with single contact, 6.5 A at 30°C rise with 2 adjacent contacts, 5.4 A at 30°C rise with 4 adjacent contacts)
  • Average insertion/extraction force of 1 ounce per contact
  • Contacts removable from wiring side (front release, rear removable)
  • Front release, front removable option available on a 3 row receptacle with 160 contacts
  • Alignment and keying provided by the end guides – 36 combinations (user changeable)
  • Contact resistance less than 5 mΩ
  • Male or female contacts and guides available in either plug or receptacle
  • Immunity to shock and vibration fretting


KA series MIL-DTL-55302 compliant come in 2 - 5 row configurations designed with the legendary Hypertac® Hyperboloid Technology.  They were designed as high reliability printed circuit board connectors offering pin counts from 17 to 490 contacts which are widely used in defense, commercial aerospace and space applications. Many versions have been used in NASA applications.

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