Eaton 85100E2039S50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100E2039S50
Quick Summary
The Eaton Souriau 85100E2039S50 receptacle provides rugged MIL-DTL-26482 connectivity for demanding aerospace and defense systems. Engineers often struggle with vibration, corrosion, and space-constrained panel layouts, which can compromise reliability and maintenance. This model is MIL-DTL-26482 SI qualified and REACH compliant, featuring an aluminium shell and cadmium plating for enhanced durability. With a backnut, square flange design, and 39 solder cup contacts, it delivers secure mating and easy installation even in tight spaces. For manufacturers seeking proven performance and compliant supply, this connector offers long service life and predictable interchangeability in critical applications.
Product Information
Extended Description
85100E2039S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E2039S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2039S50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
50.1 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
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 → Business Impact → Application: MIL-DTL-26482 SI qualification and 39 solder-cup contacts deliver proven performance in high-vibration environments, reducing intermittent failures and rework. This increases uptime for aerospace and defense equipment and lowers lifecycle costs in mission-critical assemblies. Application: aerospace avionics bays, military ground stations, and rugged industrial panels. Feature → Business Impact → Application: Backnut mounting and square flange receptacle simplify panel installation and ensure consistent torque and sealing, enabling faster field assembly and repeatable maintenance. Application: sealed control panels and mobile platforms where quick, reliable upgrades are essential. Feature → Business Impact → Application: 1/3 Bayonet coupling with N orientation enables fast mating cycles without sacrificing security, reducing downtime during maintenance and upgrades. Application: large-system interconnects in aircraft, ships, and heavy equipment. Feature → Business Impact → Application: Aluminium shell plus cadmium plating delivers corrosion resistance with manageable weight, supporting longer service life in harsh environments. Application: coastal, humid, or salt-spray environments common to outdoor industrial and defense installations. Feature → Business Impact → Application: Compact footprint—34.5 mm depth, 36.9 mm width/height, and 50.1 g weight—facilitates dense panel layouts and easier routing of cables, improving overall system integration. Application: space-constrained control rooms and embedded panels in aerospace and automotive test rigs.
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FAQs
The 85100E2039S50 employs a 1/3 bayonet coupling with a square flange receptacle and backnut, enabling quick, secure mating and panel mounting. This reduces assembly time and ensures robust retention in vibration-prone environments, making it well-suited for aerospace, defense, and rugged industrial panels.
The connector features 39 solder cup contacts, all in a socket (female) configuration. The high-contact-count design supports dense interconnection within compact enclosures, while solder-cup termination simplifies field assembly and rework.
Yes. It operates from -40 °C to 125 °C and uses an aluminium shell with cadmium plating to enhance durability and corrosion resistance. The MIL-DTL-26482 SI qualification further ensures reliable performance in demanding environments typical of aerospace, defense, and heavy industry.
This receptacle is MIL-DTL-26482 SI qualified and REACH compliant, providing assurance for demanding programs that require high-reliability interconnects and regulatory conformity in global supply chains.
Choose a backnut mounting configuration with the square flange receptacle for secure, sealed panel interfaces. The backnut and 34.5 mm depth allow compact installations, while the 39-contact arrangement supports scalable wiring. Cadmium plating offers corrosion protection, and the high-reliability design reduces maintenance frequency in mission-critical equipment.