Eaton 85100E1811S50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100E1811S50
Quick Summary
The Eaton Souriau 85100E1811S50 receptacle provides MIL-DTL-26482 SI qualified electrical interface for rugged aerospace and industrial equipment. Engineers often struggle with unreliable connections and corrosion in harsh environments, leading to downtime and field failures. This connector is MIL-DTL-26482 SI qualified and REACH compliant, delivering dependable performance and regulatory peace of mind. With a cadmium-plated aluminium shell, backnut, and straight backshell, installation is straightforward in panel-mounted applications. The 11 solder-cup contacts offer robust signal integrity across wide temperature ranges, supporting mission-critical systems in aerospace, defense, and heavy industry. The combination of durability, reduced maintenance, and simplified sourcing translates to tangible business value for engineering and procurement teams.
Product Information
Extended Description
85100E1811S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E1811S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E1811S50
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
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 → Business Impact → Application: MIL-DTL-26482 SI qualification and backnut square flange design deliver vibration resistance and secure panel mounting in demanding environments, reducing field faults and maintenance costs. This translates to higher uptime for avionics, industrial control panels, and military equipment, where connector performance directly influences system availability. Application: panel-mounted assemblies in aerospace and rugged industrial settings; Benefit: improved durability under shock, vibration, and temperature cycling. Feature → Business Impact → Application: 11 solder cup contacts enable high-density channel wiring for sensors, power, and data in a single receptacle, decreasing harness complexity and assembly time. Application: multi-signal harness integration; Benefit: faster installation and easier field testing. Feature → Business Impact → Application: cadmium plating and aluminium shell provide corrosion resistance and lighter weight, lowering total cost of ownership and enabling efficient material handling in service-heavy environments. Application: exterior and avionics enclosures; Benefit: reduced maintenance intervals and extended service life. Feature → Business Impact → Application: 1/3 bayonet coupling enables quick mate/demate cycles, improving field service efficiency while maintaining secure retention. Application: frequent equipment swaps or upgrades; Benefit: reduced downtime during maintenance windows. Feature → Business Impact → Application: rear-loaded with a backnut and straight backshell simplifies alignment and sealing during panel installation, improving reliability in tight or misaligned installations. Application: restricted or crowded panel spaces; Benefit: simpler commissioning and fewer rework events. Feature → Business Impact → Application: operating temperature range from -40 °C to 125 °C ensures functionality in extreme environments, supporting aerospace, defense, and industrial deployments. Application: high-temperature or cold-start scenarios; Benefit: broader application viability and fewer temperature-related failures.
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FAQs
The 85100E1811S50 is a square flange receptacle with a backnut and N orientation, designed for panel-mounted installations. It mates with compatible Souriau/Shell-type plugs within MIL-DTL-26482 configurations, simplifying layout planning and ensuring alignment, sealing, and secure retention in aircraft or rugged machinery assemblies.
Key specs include 11 solder cup contacts in a single 11-position cavity arrangement, cadmium plating on an aluminium shell, and a 32.7 mm length plus 33.7 mm height/width envelope. It supports -40 °C to 125 °C operating temperatures and uses a 1/3 bayonet coupling for quick mating, with a backnut for secure installation.
Yes. The 85100E1811S50 is MIL-DTL-26482 SI qualified, features a rugged aluminium shell, and uses a backnut with a straight backshell for reliable mounting in aircraft and defense equipment. Its design emphasizes vibration resistance, environmental tolerance, and long service life under demanding mission conditions.
The key standard is MIL-DTL-26482 with SI qualification, ensuring interoperability in military and aerospace environments. It also specifies REACH compliance for environmental safety. The cadmium plating and aluminium shell are chosen for corrosion resistance and weight considerations, aligning with industry expectations for harsh-environment connectors.
By choosing a durable, MIL-SPEC rated receptacle like the 85100E1811S50, you reduce field failures and maintenance cycles. Its quick mate/demate 1/3 bayonet coupling reduces downtime during servicing, and the 11-contact configuration supports comprehensive wiring in a single interface, lowering harness complexity and inventory requirements.