Eaton 85100E1811PW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100E1811PW50
Quick Summary
The Eaton Souriau 85100E1811PW50 Receptacle is a MIL-DTL-26482 SI qualified square flange connector designed for demanding aerospace, defense, and industrial automation applications. This rugged backnut-backed receptacle delivers reliable mating in vibration and temperature extreme environments, helping reduce intermittent faults in critical systems. With cadmium plating on an aluminium shell, 11 solder-cup male contacts, and a 1/3 bayonet coupling, it meets tight panel-fit and EMI considerations. The W-oriented connector is delivered ready for installation and is REACH compliant, supporting regulatory programs in many regions. By combining the 851 series' proven interoperability with precise mechanical fit, you can streamline procurement and minimize field iterations across multi-vendor assemblies.
Product Information
Extended Description
85100E1811PW50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos W; 85100E1811PW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E1811PW50
Product Length/Depth
32.7 mm
Product Height
33.7 mm
Product Width
33.7 mm
Product Weight
31.6 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
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
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 → Business Impact → Application: 11 solder cup male contacts delivered in a robust backnut square flange receptacle provide secure, vibration-resistant mating for panel-mounted assemblies used in aerospace, defense, and industrial automation. This configuration minimizes intermittent connections in harsh environments and supports reliable signal and power transfer in critical systems. Applications include sensors, control panels, and rugged automation equipment requiring 11-circuit harness integration with 1/3 bayonet coupling for quick, repeatable mating. Keyword emphasis includes MIL-DTL-26482 connectors, 11-cavity compatibility, and solder cup contact reliability to support quality compliance and field maintenance reductions. In practice, engineers experience shorter assembly times and fewer reworks thanks to the ready-to-install backnut design and exacting mechanical tolerances.
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FAQs
Installation begins with aligning the square flange receptacle against the panel cutout and securing it with the backnut. Ensure the 11 solder cup pins align with the mating plug or harness, then engage the 1/3 bayonet coupling to lock the connection. The W orientation should be matched to the harness layout, and the assembly should be checked for panel flushness and proper seating to prevent EMI leaks.
This part features 11 contacts in a single 11-cavity layout, a straight backshell, backnut, cadmium plating on an aluminium shell size 18, and solder cup contact type with male pins. It uses 1/3 bayonet coupling, provides a -40 to 125 °C operating range, and weighs about 31.6 g. It ships loaded and ready for panel installation with a square flange receptacle design.
Yes. It is MIL-DTL-26482 SI qualified, supporting rigorous aerospace and defense interfaces, and REACH compliant for regulatory adherence in many regions. The connector’s cadmium plating and aluminium shell deliver corrosion resistance, while the -40 to 125 °C operating range supports temperatures typical of cockpit, engine, and factory floor conditions.
Industries include aerospace, defense, and industrial automation where robust, reliable panel-mounted connections are essential. Applications span sensors, control panels, instrumentation, and machinery requiring 11-circuit, high-reliability connections with vibration resistance and compliant environmental specifications.
The cadmium-plated aluminium shell provides long-term corrosion resistance, reducing maintenance intervals in challenging environments. The 851 series offers proven interoperability and quick-field mating due to the 1/3 bayonet coupling, which reduces downtime. Aligning with REACH and MIL-DTL-26482 SI qualifications helps protect compliance and purchase confidence across multi-vendor assemblies.