Eaton 85100AC2041SX50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100AC2041SX50
Quick Summary
Eaton 85100AC2041SX50 Receptacle is a MIL-DTL-26482 SI qualified square flange connector used in rugged assemblies. In field conditions, downtime from unreliable connections and corrosion risks can cripple a project; this receptacle delivers a dependable, solder-cup contact system with cadmium plating and an aluminium shell to withstand demanding environments. It carries MIL-DTL-26482 SI qualification and REACH compliance, providing traceability and regulatory assurance for aerospace, defense, and industrial markets. By offering a straight adaptor with X-axis orientation and 41 positions, it simplifies installation and future maintenance. The combination of robust mechanical design and compatibility with Souriau 851 series standards helps buyers reduce lifecycle costs while preserving signal integrity.
Product Information
Extended Description
85100AC2041SX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos X; 85100AC2041SX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2041SX50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
57.9 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
X
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
41
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
41
Number of cavity #20
41
The 41-position, loaded solder cup contacts deliver consistent, low-resistance mating. Business impact: reliable signal integrity and reduced rework in high-vibration equipment. Application: aerospace actuation systems, defense electronics, and rugged industrial controls benefit from this dependable contact arrangement. Cadmium plating paired with an aluminium shell combines corrosion resistance with lightweight design. Business impact: longer service life and lower maintenance costs in exposed environments. Application: aircraft panels, ground support equipment, and outdoor industrial enclosures rely on this durable housing. 1/3 Bayonet coupling provides quick, secure mating even in confined spaces. Business impact: faster field assembly and improved mating reliability under vibration. Application: cockpit panels, rugged control units, and mobile equipment where secure coupling is critical. Straight backshell adaptor and X-axis orientation simplify harness routing and panel layout. Business impact: straightforward installation, fewer part-number conflicts, and easier future upgrades. Application: panel-mounted interfaces in automation cabinets and heavy-duty machinery. 53 mm depth and a 41-position layout support compact, high-density connectivity. Business impact: optimized space in multi-function panels while preserving signal integrity. Application: aerospace subsystems, industrial automation controllers, and integrated instrument clusters.
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FAQs
Compatibility includes a square flange receptacle with 41 contacts, delivered with a straight backshell adaptor, X orientation, and 1/3 bayonet coupling. It is designed for panel mounting in aerospace, defense, and rugged industrial equipment, supporting 53 mm depth and 36.9 mm by 36.9 mm footprint for compact enclosures.
Key specs include 41 solder cup contacts, loaded contact delivery, socket (female) contacts, cadmium plating, aluminium shell, operating temperature from -40 °C to 125 °C, and a 41-contact layout. The connector is compatible with MIL-DTL-26482 SI qualified designs and Souriau 851 series standards.
Yes. It is MIL-DTL-26482 SI qualified, part of the Souriau 851 series lineage, and designed to withstand demanding environments. With a square flange receptacle and robust metal housing, it meets stringent reliability requirements common in aerospace, defense, and high-end industrial systems.
Plan for a panel cutout compatible with a 53 mm depth and a 36.9 × 36.9 mm footprint. The straight backshell adaptor and X-axis orientation simplify wiring and harness routing, while the 1/3 bayonet coupling facilitates secure mating in confined spaces and under vibration.
Benefits include cadmium-plated contacts for corrosion resistance, a robust aluminium shell for durability with reduced weight, and a loaded contact design that supports reliable, repeatable mating. The design also aligns with REACH compliance, supporting regulatory stewardship and potentially reducing maintenance frequency in harsh environments.