Eaton 85100E2234SZ50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2234SZ50
Quick Summary
The Eaton 85100E2234SZ50 Receptacle is a MIL-DTL-26482 SI qualified square-flange connector for rugged aerospace and industrial electrical systems. Engineers often wrestle with reliable mating and resistance to harsh environmental conditions in tight spaces. MIL-DTL-26482 SI qualification, REACH compliance, and cadmium-based corrosion protection help ensure longevity in the field. With 34 contacts and a backnut-backed design in the Souriau 851 series, it streamlines installation and expands compatibility across platforms.
Product Information
Extended Description
85100E2234SZ50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos Z; 85100E2234SZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2234SZ50
Product Length/Depth
34.5 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
55.4 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
34
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
34
Number of cavity #20
34
Feature: 34-contact 34-cavity layout with a 1/3 Bayonet coupling and Z-oriented, square-flange receptacle. Business Impact: Enables high-density signaling and power transfer in a compact footprint while supporting fast, secure mating. Application: Ideal for multi-signal assemblies in aerospace and harsh-industrial environments, including control panels and avionics subassemblies. Feature: Aluminium shell with Cadmium plating and Backnut back-shell. Business Impact: Lightweight yet robust housing with corrosion resistance, reducing weight in flight and improving long-term reliability. Application: Suitable for environments where weight and protection against moisture and contaminants matter, such as aircraft cabins and outdoor installations. Feature: Solder Cup contacts (Socket/Female) and 34 contacts. Business Impact: Reliable solder terminations for high-integrity signal paths and power circuits, minimizing connection resistance over life. Application: Common in wiring looms for critical systems where secure, durable connections are required. Feature: Operating temperature range -40 °C to 125 °C. Business Impact: Maintains electrical performance across extreme temperatures, lowering field failures and maintenance costs. Application: Aerospace, defense, and industrial equipment exposed to wide thermal swings. Feature: Delivered with connector, Backnut, Straight backshell, and 1/3 Bayonet. Business Impact: Accelerates onboarding and reduces installation steps, improving labor efficiency. Application: Quick-install scenarios in field service and assembly lines where speed matters. Feature: 34 total contacts within a 34-position cavity layout; Receptacle type: Square Flange Receptacle; Cadmium plating. Business Impact: Ensures consistent mating geometry and high contact density, with protective plating to extend life in corrosive environments. Application: Structured solutions for rugged connectors used in aerospace and heavy equipment control circuits.
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FAQs
Begin by aligning the square flange receptacle with the mating connector's flange and backnut prepared for thread engagement. Insert the connector, engage the 1/3 bayonet lugs, and rotate to the locked position to ensure proper alignment (Z orientation). Install solder cup contacts per the circuit design, then secure the assembly with the backnut. Verify mating integrity with a visual check and continuity test to confirm a robust, vibration-resistant connection.
The 85100E2234SZ50 features 34 solder cup contacts in a 34-position layout, with a socket (female) contact type. It operates from -40 °C up to 125 °C and is delivered as a ready-to-mate receptacle with a straight backshell and backnut. This combination supports reliable performance in extreme environments typical of aerospace and industrial automation.
Yes. The 85100E2234SZ50 is MIL-DTL-26482 SI qualified and designed for aerospace and defense applications, featuring a Souriau 851 series form factor. Its square flange receptacle with backnut, plus cadmium plating and aluminium shell, provides the ruggedness and environmental resistance required in aircraft, ground support, and other demanding deployments.
This receptacle is MIL-DTL-26482 SI qualified, ensuring adherence to established military interface standards. It also offers REACH compliance for environmental safety and uses cadmium plating for corrosion protection. These certifications support compliance in regulated industries and help mitigate risk in fielded systems.
Plan for long-term reliability with its cadmium-plated aluminium shell and corrosion protection, which reduce maintenance frequency in harsh environments. The 34-contact, 34-cavity configuration supports scalable wiring for complex systems, while the backnut and delivered-with-connector setup simplify field servicing and spares management, contributing to lower total cost of ownership over the life of the equipment.