Eaton 85100A2039PY50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A2039PY50
Quick Summary
Eaton 85100A2039PY50 MIL-DTL-26482 qualified square flange receptacle delivers high-density, MIL-spec connectivity for rugged avionics, defense, or industrial equipment. Engineers often wrestle with space constraints and dependable mating under temperature extremes, which this design mitigates with a compact 44 mm depth and a straight backshell. With MIL-DTL-26482 SI qualification and REACH compliance, plus an aluminium shell cadmium plating for corrosion resistance, it meets stringent aerospace and military requirements. This combination supports faster, more reliable installations and reduces wiring complexity, delivering measurable business value through improved uptime and easier maintenance for high-mix assemblies.
Product Information
Extended Description
85100A2039PY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Y; 85100A2039PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2039PY50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
46.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Y
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 → Business Impact → Application: MIL-DTL-26482 SI qualified square flange receptacle provides proven MIL-spec performance, reducing risk in critical programs and enabling standardization across platforms. This compact 44 mm depth and 36.9 mm footprint save panel space while maintaining robust mating integrity, delivering reliability in dense avionics and rugged industrial setups. Application: aerospace and defense harnesses, industrial machinery where high-contact density is essential. Feature → Business Impact → Application: 39-signal cavity within a 20-size aluminium shell with cadmium plating offers high contact density with lightweight structure, improving signal integrity and reducing weight in aircraft racks and robotics. Application: high-performance control panels, mobile equipment, and marine systems. Feature → Business Impact → Application: Solder Cup contacts with 1/3 bayonet coupling enable quick, field-assembled terminations and secure locking, minimizing downtime during maintenance. Application: on-site wiring, serviceable assemblies, and field retrofits. Feature → Business Impact → Application: Backshell adaptor with straight orientation and Y connector alignment streamlines installation and mating, reducing risk of misalignment and rework. Application: multi-cavity harnesses and modular systems requiring precise connector orientation. Feature → Business Impact → Application: Cadmium plating and aluminium shell deliver corrosion resistance and weight savings, extending service life in harsh environments. Application: outdoor deployments, aerospace, and marine equipment. Feature → Business Impact → Application: Delivered with connector option simplifies procurement and ensures complete assemblies arrive ready for installation. Application: OEM and contract manufacturing where turnkey solutions reduce project lead times.
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FAQs
The 85100A2039PY50 uses standard Souriau 851 series features, including a 39-contact square flange receptacle, 1/3 bayonet coupling, and Y orientation. It mates with compatible backnuts and interfaces designed for MIL-DTL-26482 SI qualified parts, ensuring reliable interchangeability across common riches of 851 family components.
This receptacle operates from -40 °C to 125 °C, enabling reliable performance in extreme aerospace, defense, and industrial environments where temperature swings are common.
Yes, the shell is cadmium plated aluminium, offering corrosion resistance and weight reduction suitable for outdoor and harsh environment applications, including aviation and heavy equipment.
The 1/3 bayonet coupling delivers quick, positive securement with reduced mating effort, allowing faster field servicing and lower risk of incomplete engagement, which translates to lower maintenance costs and improved uptime.
Aerospace avionics, defense electronics, robotics, and industrial control panels benefit from the 39-contact, high-density 20-shell-size design, enabling compact harnesses, simplified wiring schematics, and improved signal integrity in dense interconnect scenarios.