Eaton 85100A2039PW50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100A2039PW50
Quick Summary
Eaton 85100A2039PW50 Receptacle is a rugged MIL-DTL-26482 SI qualified connector designed for demanding aerospace and defense interfaces. Engineers often face challenges achieving reliable solder contacts and corrosion resistance in tight, vibration-prone installations. This part is MIL-DTL-26482 SI qualified and REACH compliant, with an aluminium shell and cadmium plating, delivering robust performance across -40 °C to 125 °C. The combination of a square flange receptacle, straight adaptor, and 1/3 bayonet coupling supports quick field mating while maintaining high-contact density. For procurement teams, the compact 39-contact arrangement translates to substantial space savings and consistent electrical performance in harsh environments, enabling predictable lifecycle costs and easier maintenance.
Product Information
Extended Description
85100A2039PW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos W; 85100A2039PW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2039PW50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
46.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
W
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
39
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
39
Number of cavity #20
39
Feature → Business Impact → Application: The 85100A2039PW50 employs a square flange receptacle with a cadmium-plated aluminium shell and 39 solder-cup contacts, delivering high durability and corrosion resistance in aviation and industrial applications. This translates to lower maintenance frequency and fewer field failures, supporting extended service intervals and reduced downtime for critical systems on aircraft, land-based defense platforms, and rugged automation installations. Feature → Reliability in harsh environments → Application: Operating from -40 °C to 125 °C ensures reliable signal and power transfer in extreme climates, including high-altitude aviation and desert industrial sites, reducing commissioning risk and keeping systems online. Feature → Easy integration → Application: The straight backshell adaptor and 1/3 bayonet coupling enable straightforward mating and secure retention, minimizing installation time and technician error during assembly and field repairs. Feature → Compatibility with current designs → Application: Delivered with connector and 39-contact layout supports seamless integration with Souriau 851 series and compatible 20-shell size components, enabling scalable upgrades without redesigning harnesses. Feature → Compliance and traceability → Application: MIL-DTL-26482 SI qualification and REACH compliance provide regulatory alignment for defense contracts and European supply chains, improving audit readiness and post-market support. Feature → Cost efficiency through standardization → Application: Common manufacturing processes and standardized connector geometry reduce tooling and training costs, while maintaining high-performance electrical characteristics across multiple use cases in aerospace, defense, and industrial automation.
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FAQs
The 85100A2039PW50 is a square flange receptacle designed for Souriau 851 series interfaces and compatible with straight backshell adaptors. It uses 39 solder cup contacts and a 1/3 bayonet coupling, making it suitable for aerospace, defense, and rugged industrial automation harnesses.
Key specs include 39 contacts, cadmium plating on an aluminium shell, 44 mm length, 36.9 mm width, 36.9 mm height, and a weight of 46.3 g. Operating temperature ranges from -40 °C to 125 °C, with REACH compliance and MIL-DTL-26482 SI qualification.
Yes. The product is MIL-DTL-26482 SI qualified and REACH compliant, with a cadmium-plated aluminium shell that provides corrosion resistance and durability in harsh environments typical of aerospace and defense applications.
The straight backshell adaptor simplifies mating and provides straightforward field maintenance, reducing assembly time and minimizing the risk of misalignment during connector installation in tight or constrained spaces.
Yes. The 85100A2039PW50 is designed for compatibility within the Souriau 851 series ecosystem, including other square flange receptacles and aligned backshell options, enabling scalable solutions across multiple harnesses and platforms.