French connector manufacturer Nicomatic has launched a rugged miniature series for harsh environments.
The EMM Series connectors meet or exceed the performance requirements of MIL 83513-G and MIL-DTL 55302G to reduce space and weight in the most extreme environments, including defence, space, motorsport, civil aviation, UAVs and robotics.
The 1.27mm pitch interconnect provides a 40 percent space reduction over the parent CMM Series and a 20 percent space saving when compared to standard Micro D connectors. A recent customer application was a missile actuation system; others include the TUM Hyperloop pod motherboard.
On a 1.27mm pitch in 04 to 60 pin configurations, the EMM Series is highly modular, suited to both board to board as a result of the secure wiping length and board to wire with gauge 24 to gauge 30 configurations. There are male and female thru-hole and SMT straight and 90° variants as well as cabled versions available.
90° EMM Series interconnects feature ingenious integrated back protection, with the contacts protected by a proprietary design. Hardware is interchangeable, with locking and guiding functions available on both male and female connectors to ensure no misalignment or mis-mating can occur.
The EMM Series connectors are manufactured in Nicomatic’s purpose-built facility in France. The connector design has a glass fibre composite moulding with copper alloy male pins and female pins with a tulip clip with a 4-finger spring contact made with the outer in copper alloy and beryllium copper inner. Fixing hardware is passivated 300-series stainless steel. EMM interconnects can be mated and unmated up to 500 times.
The rated voltage is 250V RMS at sea level, dielectric withstanding voltage 750V RMS. At high altitude, where the EMM Series is often specified, with a dielectric withstanding voltage is 540V RMS at 30,000 feet and 465V RMS at over 100,000 feet.
For extreme environments, the EMM Series is qualified to withstand vibration, shock, extreme temperature cycling, fluid immersion, humidity and salt spray corrosion. For space applications, they are certified to meet the ASTM E595 (ECSS-Q-ST-70-02C) specification for thermal vacuum outgassing.
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