Eaton 85100AC2039PZ50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100AC2039PZ50
Quick Summary
The Eaton Souriau 851 series MIL-DTL-26482 SI qualified square flange receptacle enables rugged electrical connections in aerospace and industrial automation. Engineers often struggle with reliable mating, moisture ingress, and maintenance-heavy assemblies in tight-panel installations. MIL-DTL-26482 SI qualification and REACH compliance provide proven performance and regulatory confidence in aerospace, defense, and industrial contexts. Designed for high-density 39-circuit layouts with a cadmium-plated aluminium shell, it integrates smoothly with the Souriau 851 ecosystem. Straight backshell, Z orientation and 1/3 bayonet coupling enable fast, tool-free mating. With 39 solder-cup pins in a square-flange receptacle, it supports high-density power, signal, and data transmission while meeting strict temperature extremes.
Product Information
Extended Description
85100AC2039PZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Z; 85100AC2039PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2039PZ50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
54.7 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Z
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
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: Aluminium shell construction with cadmium plating delivers improved mechanical rigidity and corrosion protection in demanding environments. Business impact: This reduces field failures and extends service life across aerospace, defense, and industrial automation applications. Application: Suitable for compact panel-mount installations where weight and space are critical. Feature: High-density 39-contact layout with solder cup contacts supports multi-signal and power transmission in a single receptacle. Business impact: Enables fewer interconnects, simplified routing, and lower assembly costs. Application: Ideal for complex harnesses in robotics, automation panels, and vehicle electronics. Feature: 1/3 bayonet coupling and straight backshell adaptor with Z orientation for quick, tool-free mating. Business impact: Speeds up installation and reduces maintenance downtime in field service. Application: Common in tight-space installations and where rapid mating cycles are needed. Feature: 53 mm length, 36.9 mm width, 36.9 mm height, and 54.7 g weight combine compact form with durability. Business impact: Lets technicians increase packing density without sacrificing performance. Application: Panel-mounted chassis for control cabinets, aircraft, or industrial machinery. Feature: MIL-DTL-26482 SI qualification and REACH compliance with cadmium plating and aluminium housing assure regulatory readiness. Business impact: Supports compliance, risk mitigation, and traceable quality across supply chains. Application: Suitable for regulated environments requiring traceability and durable connectors.
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FAQs
The 85100AC2039PZ50 uses a straight backshell with a Z orientation and a 1/3 bayonet coupling, coupled with an adaptor backshell. This arrangement allows rapid mating and straightforward panel installation, reducing tool requirements and downtime. It’s compatible with standard Souriau 851 series mating interfaces, streamlining field upgrades and serviceability.
The 39 solder-cup contacts provide dense signal and power pathways within a single receptacle, reducing the number of interconnects and simplifying harness routing. This improves reliability, lowers assembly time, and minimizes potential failure points, which is critical in robotics, control panels, and avionics harnesses.
Yes. It is MIL-DTL-26482 SI qualified, offering proven performance in harsh environments. It is also REACH compliant, addressing environmental and regulatory considerations. The combination supports aerospace, defense, and other regulated applications where reliability and traceability matter.
Cadmium plating provides corrosion resistance but requires adherence to applicable environmental and safety regulations. Regular inspection for plating wear and connector mating integrity is recommended, along with ensuring proper torque and alignment during mating to preserve shell and contact integrity over time.
Benefits include reduced assembly time due to bayonet quick-mate design, fewer interconnects thanks to high-density 39-contact layouts, and improved field reliability in extreme temperatures. Over the life of the equipment, this translates to lower maintenance costs, less downtime, and higher uptime in mission-critical manufacturing, aerospace, and defense environments.