Eaton 85100E122S50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100E122S50
Quick Summary
Eaton 85100E122S50 receptacle delivers rugged MIL-DTL-26482 SI qualified connectivity for aerospace and industrial equipment. Engineers often struggle with reliability in compact panel layouts, temperature extremes, and corrosion-prone environments; this receptacle mitigates those pains by delivering a robust, field-friendly solution. MIL-DTL-26482 SI qualification, REACH compliance, and a cadmium-plated aluminium shell provide strong performance in harsh settings. The combination of square flange mounting, backnut, and solder cup contacts supports quick installation, predictable mating, and long-term reliability, delivering value across automation, military, and heavy industry applications. This product also aligns with ongoing cost-control strategies by reducing wiring complexity and maintenance needs while ensuring supplier compatibility and available technical support.
Product Information
Extended Description
85100E122S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E122S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E122S50
Product Length/Depth
32.7 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
13.2 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
2
Plating
Cadmium
Shell material
Aluminium
Shell size
12
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
2
Number of cavity #16
2
Feature: MIL-DTL-26482 SI qualified, cadmium-plated aluminium shell and square flange receptacle body. Business impact: Enhanced environmental resistance and mechanical integrity reduce field failure rates and maintenance costs. Application: Ideal for harsh environments in aerospace, defense, and industrial equipment where reliability matters. Feature: 1/3 bayonet coupling with backnut mounting. Business impact: Quick, secure mating and simple retrofit in tight panels, minimizing downtime during assembly or servicing. Application: Suitable for compact machines and control panels requiring fast, vibration-resistant connections. Feature: Solder cup contact design with two sockets and two cavities. Business impact: Simplified wiring harnessing and robust torque handling, lowering assembly time and risk of loose connections. Application: Common in high-reliability power and signal lines in automation and process control. Feature: Cadmium plating and aluminium shell, shell size 12, operating temperature -40 to 125 °C. Business impact: Superior corrosion resistance and thermal tolerance extend service life in extreme environments. Application: Supports aerospace, industrial automation, and outdoor installations. Feature: Delivered with connector, N orientation, square flange compatibility. Business impact: Reduces procurement steps and ensures correct orientation for seamless installation and fast replacement. Application: Fits standardized panel cutouts and existing backnut-based mounting schemes in rugged equipment.
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FAQs
This receptacle uses a square flange with a backnut for front-panel mounting and N orientation. It is designed to mate with compatible 851 series housings, uses a 1/3 bayonet coupling for secure, vibration-resistant connections, and delivers with connector. Ensure panel cutouts and backnut fitment match the 12 shell size and 32.7 mm length to maintain correct alignment and seal integrity.
Key specs include two solder cup contacts within two cavities, cadmium plating on an aluminium shell, and a square flange receptacle configuration. The operating temperature range is -40 to 125 °C, and the connector is loaded with contacts ready for wiring. Verify mating interface with the corresponding 851 series housing and ensure adequate insulation and strain relief in your harness.
Yes. It is MIL-DTL-26482 SI qualified and REACH compliant, with cadmium plating and an aluminium shell that provide corrosion resistance and mechanical durability. The 1/3 bayonet coupling supports reliable mating under vibration, and the backnut mounting simplifies installation in rugged panels commonly found in aerospace, defense, and industrial automation.
Key certifications include MIL-DTL-26482 Series qualification (SI), indicating stringent military standard compatibility, and REACH compliance for environmental safety. These certifications ensure reliability in demanding applications and regulatory alignment for many aerospace and industrial programs.
Maintenance benefits come from robust environmental resistance, stable solder cup contacts, and a secure backnut mounting that reduce loosening and corrosion-driven failures. ROI is improved through lower downtime, longer service life in extreme temperatures, and reduced panel rework thanks to reliable mating and quick installation.