Eaton 85100A1811S50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100A1811S50
Quick Summary
Eaton 85100A1811S50 is a square flange receptacle for MIL-DTL-26482 SI qualified connections in harsh environments. Many designs struggle with reliable seals, correct mating, and serviceability in limited-space panels. MIL-DTL-26482 SI qualification and REACH compliance provide rugged reliability and environmental resilience for aerospace, defense, and industrial automation programs. This connector balances compact form with robust performance, enabling quick field replacement and consistent electrical performance across temperature and vibration. By aligning with the Souriau 851 series ecosystem, procurement and integration become simpler, helping you meet tight program schedules while maintaining traceability and regulatory compliance.
Product Information
Extended Description
85100A1811S50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos N; 85100A1811S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A1811S50
Product Length/Depth
41 mm
Product Height
33.7 mm
Product Width
33.7 mm
Product Weight
38.1 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
11
Plating
Cadmium
Shell material
Aluminium
Shell size
18
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
11
Number of cavity #16
11
Feature MIL-DTL-26482 SI qualification → Business Impact Strong MIL-spec compatibility with proven vibration and environmental performance, reducing field failures and rework. Application Aerospace, defense harnesses, and high-reliability systems. The 11 solder cup contacts in a square flange receptacle enable multi-line signal and power paths in a compact form factor. Feature 1/3 bayonet coupling, straight backshell adaptor → Business Impact Fast, secure mating with repeatable retention; eases assembly on rugged equipment. Application Marine, aircraft, and industrial machinery where space is constrained. Feature Cadmium plating on an aluminium shell → Business Impact Corrosion resistance with minimal weight, extending service life in harsh environments. Application Outdoor or exposed installations with temperature cycling. Feature 41 mm length / 33.7 mm height and width / 38.1 g weight → Business Impact Compact footprint with predictable mass for enclosure design and vibration budgets. Application Portables, avionics racks, and mobile equipment. Feature 11 contacts / 11 cavities → Business Impact High channel count in a reliable, single connector, reducing part counts. Application Complex harnesses in automation and control panels. Feature Delivered with connector; Contact delivery Loaded → Business Impact Streamlined procurement and faster assembly with minimized field configuration. Application System integration and repair workflows. Feature Operating temperature -40 °C to 125 °C → Business Impact Wide operating envelope, lowering the need for multiple variants. Application Military and industrial environments with temperature swings. Feature Cadmium plating; Shell material Aluminium; Shell size 18 → Business Impact Robust, lightweight construction with known compatibility in Souriau 851 series ecosystems. Application High-vibration assemblies and aerospace-grade installations.
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FAQs
The 85100A1811S50 is a square flange receptacle designed to integrate within the Souriau 851 series, aligning MIL-DTL-26482 SI qualified interfaces with an adaptor-backshell arrangement. It preserves pin count (11 contacts) and mating geometry, enabling seamless interconnection in aerospace and defense harnesses while preserving common backshell configurations and contact types.
For installation, align the coupling lugs with the mating connector, engage the 1/3 bayonet twist until the retention features seat, then verify the backshell adaptor is correctly seated. Ensure the connector is loaded with solder cup contacts, and perform a pull-test to confirm retention. Use the straight backshell for optimal routing in flat-panel enclosures and maintain the environmental seal per application requirements.
Yes. It is MIL-DTL-26482 SI qualified, features an aluminium shell with cadmium plating for corrosion resistance, and operates from -40 °C to 125 °C. Its design supports high-vibration, wide-temperature operation typical of aerospace, defense, and other harsh-industrial settings, while maintaining reliable electrical performance and long-term durability.
The unit carries MIL-DTL-26482 SI qualification and REACH compliance, reflecting suitability for regulated environments. When selecting for a program, confirm your specific environmental, aerospace, or defense requirements, and verify any supplier-specific certifications or material declarations required by your contract and end-user authorities.
With a cadmium-plated aluminium housing and a robust 1/3 bayonet coupling, the connector provides reliable mating and resistance to environmental stress, reducing field failures and replacement costs. The loaded solder cup contacts simplify maintenance and rework, helping maintain uptime in continuous-operation systems and improving total cost of ownership over the product life cycle.