Eaton 85100E1811SZ50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100E1811SZ50
Quick Summary
85100E1811SZ50 is a square flange receptacle used in rugged MIL-DTL-26482 assemblies. Engineers often struggle with corrosion, vibration, and difficult field maintenance in harsh environments. This connector is MIL-DTL-26482 SI qualified and REACH compliant, featuring cadmium plating and a backnut for secure mounting. As a square flange receptacle with solder cup contacts and a Z-oriented design, it streamlines installation and improves long-term reliability in aerospace, defense, and industrial automation projects.
Product Information
Extended Description
85100E1811SZ50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos Z; 85100E1811SZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E1811SZ50
Product Length/Depth
32.7 mm
Product Height
33.7 mm
Product Width
33.7 mm
Product Weight
32.5 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
Z
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
MIL-DTL-26482 SI qualification ensures compliant performance in mission-critical applications, reducing integration risk and simplifying supplier audits. By delivering an 11-contact configuration in a compact 32.7 mm length and 33.7 mm height and width, the solution supports dense wiring harnesses while maintaining robust electrical continuity and vibration resistance. Cadmium plating enhances corrosion resistance, extending service life in challenging environments and lowering maintenance costs over the product lifetime. The backnut-enabled backshell and straight orientation deliver secure mounting and straightforward panel integration, reducing installation time and rework in field repairs. The 1/3 bayonet coupling provides positive engagement with reliable mating under shock and vibration, improving uptime in aerospace, defense, and automotive automation. With aluminium shell size 18 and a socket (female) contact layout, you gain light-weight durability and predictable termination in space-constrained assemblies. Delivered with connector and 11 cavities, this receptacle offers ready-to-install compatibility for standard Souriau 851-series interfaces and known mating partners, minimizing redesign risk when upgrading legacy systems. Operating from -40 °C to 125 °C, the unit supports extreme temperature swings without performance loss, safeguarding critical signals across wide industrial applications.
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FAQs
When installing the 85100E1811SZ50, use the backnut to secure the receptacle through a panel compatible with aluminium shell size 18. Ensure proper torque on mounting hardware and verify the Z orientation for correct mating. The 11-contact, solder cup configuration requires careful wire routing to avoid contact interference and maintain the 32.7 mm depth clearance within the enclosure.
The 85100E1811SZ50 carries MIL-DTL-26482 SI qualification, which confirms performance under stringent environmental and mechanical conditions. Cadmium plating provides corrosion resistance, the aluminium shell keeps weight down, and the operating range from -40 °C to 125 °C supports extreme temperature swings typical in aerospace and heavy industry projects.
Yes. It is a receptacle with 11 contacts arranged for compatible 11-contact layouts, and it uses a 1/3 bayonet coupling to ensure secure, positive engagement even in vibration-prone environments. This combination supports reliable signal integrity and reduces the risk of unplugging due to shocks in field deployments.
The connector is MIL-DTL-26482 SI qualified, and it complies with REACH environmental requirements. This provides assurance of regulatory alignment for aerospace, defense, and industrial automation programs and helps streamline supplier qualification and downstream compliance reporting.
The combination of rugged CADMIUM plating, a secure backnut mounting system, and a compact 11-contact layout reduces maintenance downtime and replacement cycles. Its wide operating temperature range and durable aluminium shell translate to lower total cost of ownership, fewer field failures, and faster installation in both new builds and system upgrades.