Eaton 85100AC2039S50 Receptacle - SI Qualified
Part Number: 85100AC2039S50
Quick Summary
Eaton 85100AC2039S50 Receptacle is a MIL-DTL-26482 SI qualified square flange connector for rugged military and industrial interfaces. Engineers often struggle with maintaining signal integrity, sealing against dust and moisture, and surviving high‑vibration environments across equipment and production lines. MIL-DTL-26482 SI qualification and REACH compliance help ensure reliability and regulatory alignment across defense, aerospace, and automation projects. Built to integrate with Souriau 851 series backplanes and panels, it supports quick assembly, consistent mating, and long lifecycle with reduced field failures. For OEMs targeting uptime and cost control, the 85100AC2039S50 offers predictable performance under temperature extremes and harsh handling. Its compliance-driven design also simplifies traceability during audits and supports scalable deployment across multi-site manufacturing.
Product Information
Extended Description
85100AC2039S50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos N; 85100AC2039S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2039S50
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
N
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: MIL-DTL-26482 SI qualification provides proven rugged performance in harsh environments. Business Impact: Reduces qualification time and mitigates field failures, boosting overall system reliability. Application: Defense, aerospace, and rugged industrial automation. The result is steadier signal integrity and lower life-cycle risk in high-vibration applications. Feature: 39 contacts in a dense layout with socket (female) solder cup contacts and a 1/3 Bayonet coupling. Business Impact: Enables high-channel density with secure, fast mating and dependable electrical performance. Application: Complex control panels and multi-axis machinery where space is at a premium and repeatable mating matters. Feature: Cadmium plating with an aluminium shell and shell size 20 delivers corrosion resistance and a lightweight, durable enclosure. Business Impact: Extends service life in salty or humid environments and reduces maintenance costs. Application: Outdoor or industrial environments with elevated corrosion risk. Feature: Straight backshell adaptor and square flange receptacle with N orientation and “Delivered with connector” option streamline installation. Business Impact: Simplifies wiring, minimizes misalignment, and accelerates panel routing and harness assembly. Application: OEMs integrating into existing Souriau 851 ecosystems. Feature: Operating temperature range from -40 °C to 125 °C and REACH environmental compliance. Business Impact: Broadens usable temperature envelope and ensures regulatory alignment across global supply chains. Application: Aerospace ground support, military vehicles, and harsh‑duty machinery. Feature: Compact dimensions—53 mm length, 36.9 mm height and width, 58 g weight—offer space efficiency. Business Impact: Reduces enclosure footprint and enables more compact designs without sacrificing performance. Application: Dense electronic assemblies and modular cabinets where every millimeter counts.
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FAQs
Ensure the straight backshell adaptor is used and align the N orientation before engaging the 1/3 Bayonet coupling. Use the solder cup contacts to complete the circuit, tighten to the recommended torque, and perform a continuity check. Verify REACH compliance in your bill of materials and test for vibration resistance in your specific application.
The unit provides 39 contact positions with socket (female) Solder Cup contacts. It is a square flange receptacle with a 53 mm length, 36.9 mm height and width, and a cadmium-plated aluminium shell. Operating temperature ranges from -40 °C to 125 °C, suitable for high‑demand environments.
Yes. It is MIL-DTL-26482 SI qualified, designed for rugged environments, with corrosion-resistant cadmium plating and a lightweight aluminium shell. Its 39‑contact density and reliable 1/3 bayonet coupling support high‑integrity signal transfer in aerospace, defense, and heavy industrial automation.
The product carries MIL-DTL-26482 SI qualification for performance in stringent environments and REACH compliance for environmental responsibility. While CE and IP ratings are not specified in the provided data, the specification supports regulatory alignment in many defense and industrial programs.
The combination of MIL-DTL-26482 SI qualification, robust corrosion resistance, and high-density 39-contact layout reduces field failures and maintenance cycles. Quick mating with the 1/3 bayonet coupling shortens assembly time, while compatibility with Souriau 851 series ecosystems enables scalable, multi-site deployments with predictable performance and lower total cost of ownership.