Eaton 85100A2236SW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A2236SW50
Quick Summary
85100A2236SW50 is a square flange MIL-DTL-26482 SI qualified receptacle for rugged aerospace and industrial equipment. Engineers often confront unreliable connectors in harsh environments, where misalignment, corrosion, and wear-driven failures drive downtime. This connector addresses those challenges with a cadmium-plated aluminium shell, 36 solder-cup contacts, and a straight backshell adaptor designed for reliable mating from -40 °C to 125 °C. The W orientation and 1/3 bayonet coupling offer quick, secure installation, while the delivered-with-connector option simplifies field assembly. In practice, it supports high-density interconnects and long service life, helping procurement reduce replacement cycles and maintenance costs on demanding programs.
Product Information
Extended Description
85100A2236SW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos W; 85100A2236SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2236SW50
Product Length/Depth
44 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
54 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
W
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
36
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
36
Number of cavity #20
36
Feature: 36 contacts in a single receptacle (Layout 36) supports high-density interconnects, enabling more signals or power paths within a compact footprint. Business impact: reduces harness complexity and panel space, lowers weight, and speeds assembly during integration. Application: ideal for aerospace subsystems and industrial automation panels where space is at a premium. Feature: Cadmium plating on an aluminium shell delivers corrosion resistance and EMI shielding under demanding conditions. Impact: extends service life and lowers maintenance costs by preserving contact integrity in vibration and humidity. Application: suitable for aircraft, defence equipment, and harsh factory environments. Feature: Straight backshell adaptor with a W orientation and 1/3 bayonet coupling enables fast, repeatable mating with a secure lock. Impact: reduces installation time and operator error during maintenance or field upgrades. Application: common in mission-critical assemblies that require quick mating cycles and rugged retention. Feature: Solder cup contacts (socket/female) and 36-position layout provide reliable low impedance connections for signaling and power. Impact: stable performance across temperature extremes and long-term reliability under MIL-DTL-26482. Feature: Delivered with connector option and robust aluminium shell size 22 makes it compatible with Souriau 851-series mating interfaces. Impact: simplifies design-in and supply-chain integration while meeting REACH environmental requirements. Application: suitable for aerospace, defence, and industrial automation installations.
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FAQs
85100A2236SW50 is a 36-position solder-cup contact square flange receptacle designed for MIL-DTL-26482 applications. It features a straight backshell adaptor, W orientation, and a 1/3 bayonet coupling, delivering reliable mating with Souriau 851-series plugs. The assembly uses a cadmium-plated aluminium shell (shell size 22) and provides loaded contacts, ensuring consistent electrical contact and sealing performance in rugged environments.
The connector operates from -40 °C to 125 °C. This wide range supports performance in extreme temperatures typical of aerospace, defence, and industrial environments, while the aluminium shell and cadmium plating contribute to durability and shielding under vibration and humidity.
Environmental specification indicates REACH compatibility, aligning with European chemical safety requirements. Cadmium plating is compatible within regulated supply chains when properly controlled. This makes the 85100A2236SW50 suitable for harsh environments where environmental and regulatory compliance is a priority in aerospace, defence, and industrial automation applications.
Key mechanical features include an aluminium shell (shell size 22) with cadmium plating, 36 contacts, a straight backshell adaptor, and a 1/3 bayonet coupling. The receptacle is designed for a square flange interface with a 44 mm length and 40 mm width/height, and it supports a W orientation for mating with Souriau 851-series connectors.
Delivered with connector and a straight backshell adaptor, the unit simplifies field installation and reduces assembly steps. With 36 contacts and a compact 44 mm length, it helps improve harness density and reduce weight. MIL-DTL-26482 SI qualification and REACH compliance contribute to long-term reliability and lower maintenance costs, improving uptime and total cost of ownership in mission-critical programs.