Eaton 85100AC2039SW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100AC2039SW50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle enables rugged, reliable interconnects for aerospace and rugged industrial equipment. Engineers often face compatibility gaps, harsh environments, and costly field rework when integrating diverse connectors. This design delivers MIL-DTL-26482 SI qualification with REACH environmental compliance for safer, longer service life. Its high contact count and compact aluminum shell optimize panel space and reduce weight, while turnkey backshell options and W orientation simplify installation in automation cabinets and control panels, delivering tangible business value through reduced downtime and improved system reliability.
Product Information
Extended Description
85100AC2039SW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos W; 85100AC2039SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2039SW50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
58 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
39
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
39
Number of cavity #20
39
Feature → Business Impact → Application: MIL-DTL-26482 SI qualification and a 39-contact layout provide a dense, reliable interconnect with proven rugged performance, reducing the need for additional connectors and cutting assembly time. Application: avionics racks, defense consoles, and industrial panels where space is constrained. Feature → Business Impact → Application: Square flange receptacle with straight adaptor and W orientation plus cadmium plating on an aluminium shell deliver robust mechanical retention and EMI shielding while keeping weight low. Application: panel mounting in harsh environments and equipment enclosures. Feature → Business Impact → Application: Solder Cup contacts delivered loaded and a 1/3 Bayonet coupling enable fast, secure mating with low risk of cold solder joints. Application: field harness installations and maintenance workflows. Feature → Business Impact → Application: -40 to 125 °C operating range and aluminium shell size 20 support performance in extreme temperatures and vibration. Application: outdoor equipment, aerospace compartments, and industrial automation gear. Feature → Business Impact → Application: Connector accessory option delivered with connector and a square flange receptacle with 39 contacts streamline integration, reduce spare parts, and simplify retrofits. Application: automation cabinets and high-density panel designs. Feature → Business Impact → Application: Receptacle type, backshell adaptor design, and straight back-to-back compatibility improve long-term maintenance planning and upgrade readiness. Application: turnkey installations in complex systems, from robotics to defense electronics.
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FAQs
For panel mounting, ensure your cutout matches the square flange receptacle footprint and supports the 53 mm length with the 36.9 mm width/height profile. Use the straight backshell and 1/3 bayonet coupling for secure mating, and align the W connector orientation to ensure proper routing of the solder cup cables in the harness. Verify cadmium-plated finish complies with your environmental standards.
Solder cup contacts provide robust, where-need field terminations with repeatable performance under vibration. Loaded contact delivery reduces field assembly time and soldering variability, improving joint reliability. In combination with the aluminium shell and 39-position layout, you get low contact resistance, strong EMI containment, and predictable thermal behavior across operating temperatures.
Yes, the 85100AC2039SW50 is designed for compatibility within the Souriau 851 family, featuring a square flange receptacle and adaptor backshell. The connector orientation and 1/3 bayonet coupling support modular assembly, while the option Delivering with connector provides a turnkey solution that simplifies integration with existing Souriau components and legacy systems.
The 85100AC2039SW50 carries MIL-DTL-26482 SI qualification, which supports high-reliability aerospace and defense applications. It also lists REACH environmental compliance, aligning with regulatory requirements for chemical safety in European markets. Note that cadmium plating may require additional regional compliance considerations depending on your application and supplier guidelines.
The high-contact density reduces part count and panel footprint, lowering assembly time and wiring complexity. The fast mating bayonet coupling minimizes maintenance downtime, while the lightweight aluminium shell improves overall system efficiency. In aerospace and industrial automation projects, these factors translate to lower lifecycle costs, easier upgrades, and improved reliability in harsh environments.