Eaton 85100E1811P50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100E1811P50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified is a rugged square flange receptacle for harsh environments. End-user challenges include maintaining reliable mating under vibration, protecting against corrosion from cadmium plating, and installing compact assemblies in tight panel spaces. This part carries MIL-DTL-26482 SI qualification and REACH compliance, underscoring its suitability for aerospace and demanding industrial equipment. The 85100E1811P50 delivers a backnut back-shell, straight orientation, and a loaded 11-contact layout that supports 11 cavities with male solder cup contacts. Its aluminium shell is size 18, with cadmium plating and a 1/3 bayonet coupling for fast, secure mating. With connector delivered, compatibility with 851-series families is ensured, delivering predictable performance and reduced maintenance overhead.
Product Information
Extended Description
85100E1811P50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos N; 85100E1811P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E1811P50
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
N
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: MIL-DTL-26482 SI qualified square flange receptacle with backnut, straight backshell, and 1/3 bayonet coupling provides secure mating under vibration and rapid field assembly, ideal for aerospace panels and rugged industrial equipment. Feature → 11 contacts in 11 cavities with solder cup contacts enables multi-channel I/O connections; impact is streamlined wiring, reduced loom complexity, and increased reliability in control systems. Feature → Cadmium plating on an aluminium shell (shell size 18) delivers corrosion resistance and lighter weight, lowering maintenance cycles and improving uptime in exposed environments. Feature → Delivered with connector and loaded contact delivery simplify installation; impact is shorter panel commissioning and lower installation risk in tight spaces. Feature → Operating temperature range of -40 °C to 125 °C supports equipment in extreme climates, expanding applicability to aerospace, automotive, and heavy machinery. Feature → 1/3 Bayonet coupling and backnut backshell provide secure, tool-less mating in field service and rapid replacement scenarios.
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FAQs
The 85100E1811P50 is a square flange receptacle in the Eaton Souriau 851 series designed to mate with compatible 851-series plugs. It uses a 1/3 bayonet coupling, backnut backshell, and a N orientation to ensure secure, vibration-resistant mating. It ships delivered with connector and loaded contacts for rapid panel installation.
This receptacle provides 11 contacts across 11 cavities with male solder cup contacts. It features cadmium plating on an aluminium shell (shell size 18) and a straight backshell. The configuration supports easy wiring and reliable signal or power I/O in demanding environments.
Yes. It is designed for harsh environments, featuring an aluminium shell with cadmium plating and a broad operating temperature range from -40 °C to 125 °C. The design supports reliability in aerospace and rugged industrial applications, with REACH compliance to address environmental regulations.
The backnut backshell simplifies panel mounting by providing secure retention without excessive torque, while the straight backshell eases clearance issues in tight spaces. Combined with the 1/3 bayonet coupling, the assembly offers quick mating and disassembly, reducing field downtime and maintenance labor during swaps or repairs.
With 11-channel capability and a rugged MIL-SPEC foundation, the 85100E1811P50 reduces wiring complexity and failure points, lowering maintenance costs and downtime. Its compatibility with the 851 series simplifies spares management, while the robust cadmium-plated aluminium shell extends service life in challenging environments, delivering measurable lifetime cost benefits.