Military Embedded Systems

PRODUCT OF THE WEEK: Omnetics Nano-D Bi-lobe connectors

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August 10, 2026

PRODUCT OF THE WEEK: Omnetics Nano-D Bi-lobe connectors

This week’s product, the Omnetics Nano-D Bi-Lobe connector, is available with a quick latch system, with latches that require no tools and offer great ease in handling. Whether used in terrestrial or space environments, the Nano-D Bi-Lobe connector meets the necessary size and weight specifications along with the performance necessary for high-speed or high-density signal routing for military and space applications.  

Bi-Lobe connectors leverage the Omnetics rugged Flex Pin contact system, which is spaced on 25 mil (.64 mm) centerlines. These are capable of carrying 1 amp per contact and are also extremely small and lightweight. The devices also exceed the shock and vibration requirements of MIL-DTL-32139.

Available in pin counts from 9-65, latching the Bi-Lobe can be configured with discrete wires, overmolded cable, panel mount housings, and printed circuit board (PCB) mounted versions.

Miniaturization Demand

Connector designs over the past few decades have demonstrated an insatiable need for size and weight reduction.  Improvements in chip technology have impacted circuit board designs as well as connector and cable interconnections, demanding greater miniaturization at lower voltages and current levels. The family of Nano-D connectors meets this need as each connector is designed to perform at military specification levels for high-reliability and extreme environments. Most Nano-D connectors evolved from the older Micro-D and follow the similar specifications.

In the past, the most successful connectors were either MIL-DTL-38999 connectors or Mighty Mouse series connectors. These connectors still exhibit great success in the industry, but many users sought smaller solutions through Micro-D (MIL-DTL-83513) connectors. Omnetics responded with the Nano-D connector, which meets MIL-DTL-32139.

General specifications

  • Temperature: -55 ºC to +125 ºC (200 ºC w/HTE)
  • Voltage rating: 250 VAC RMS Sea Level
  • Contact resistance: 71 milliohms (71 mV) max @ 1 Amp
  • Current rating: 1 AMP per contact
  • Durability: > 200 mating cycles minimum
  • Insulation resistance: 5,000 megohms min @ 100 VDC
  • Shock: 100 gs with no discontinuities > 10 nanoseconds
  • Vibration: 20 gs with no discontinuities > 10 nanoseconds
  • Thermal vacuum outgassing: 1.0% max TML, 0.1% VCM
  • Insulator: Liquid Crystal Polymer per MIL-DTL-32139 or PEEK

For more information, visit the Nano-D Bi-lobe here, or visit the company’s website, or follow the links below.

Resources:

  • To download the Nano-D Bi-lobe datasheet, click here.
  • To learn about the High-Speed Nano-D product line, click here.
  • To learn about Omnetics military & defense business, click here.
  • To learn about all Omnetics connector products click here, click here.
  • For sales information, click here.
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