Eaton 85100E2236S50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2236S50
Quick Summary
Eaton Souriau 85100E2236S50 receptacle provides rugged MIL-DTL-26482 SI-qualified connectivity for aerospace and industrial equipment. Engineers often struggle with reliable mating in tight spaces and harsh environments, risking field failures and increased maintenance. This design emphasizes MIL-DTL-26482 SI qualification and REACH environmental standards, with an aluminium shell, cadmium plating, and a wide operating range of -40 to 125°C. By delivering a compact 36-contact layout with backnut mounting, it enables fast installation, improved reliability, and lower lifecycle costs across demanding applications in aviation, defense, and heavy industry.
Product Information
Extended Description
85100E2236S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E2236S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2236S50
Product Length/Depth
34.5 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
56 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
36
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
36
Number of cavity #20
36
Feature → Business Impact → Application: The 36-contact solder cup configuration provides high contact density, enabling compact, reliable signal and power distribution in limited panel space, reducing assembly complexity and board real estate needs for rugged equipment. This translates to improved performance and cost per channel in military and industrial controls, with easier harness routing in aerospace enclosures. Feature → Business Impact → Application: The 1/3 bayonet coupling offers quick mating and secure retention under vibration, delivering faster field service and reduced downtime while maintaining high shock and vibration tolerance critical for mobile equipment and aircraft systems. Application includes avionics racks and autonomous industrial machines where uptime matters. Feature → Business Impact → Application: Cadmium plating enhances corrosion resistance in aggressive environments, extending service life and reducing replacement intervals for outdoor or coastal installations, such as wind turbines, offshore platforms, and factory floors subject to humidity. Feature → Business Impact → Application: Aluminium shell and size 22 provide a lightweight yet robust enclosure, improving payload efficiency for aerospace and robotics while preserving structural integrity in high-vibration scenarios. Feature → Business Impact → Application: Backnut style backshell simplifies panel mounting and sealing, promoting faster installation and reliable environmental sealing in control panels, machinery housings, and avionics enclosures. Feature → Business Impact → Application: Operating temperature range from -40 °C to 125 °C ensures consistent electrical performance across extreme climates, supporting equipment deployed in deserts, arctic facilities, and high-temperature industrial processes. Feature → Business Impact → Application: Delivered with connector minimizes inbound logistics and on-site assembly steps, accelerating project timelines for system integrators, military programs, and OEMs deploying modular power and signal networks.
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FAQs
The 85100E2236S50 uses a straight backnut backshell and a 1/3 bayonet coupling for quick, secure mating. With a 36-contact layout and solder cup contacts, plan panel cutouts to accommodate a 34.5 mm depth and 40 mm height, ensuring proper alignment and gasket sealing where applicable to maintain environmental protection.
This receptacle supports an operating temperature range from -40 °C to 125 °C, supported by an aluminium shell and cadmium plating for corrosion resistance. Such specs are ideal for aerospace and industrial environments with wide ambient temperature variations, helping maintain signal integrity and mechanical reliability over the product lifecycle.
Yes. The 1/3 bayonet coupling provides fast mating and robust retention, while the 36-contact arrangement supports high-density connections. The solder cup contact type ensures reliable electrical termination, making it suitable for complex harnesses in avionics, machinery controls, and rugged equipment panels.
The receptacle is MIL-DTL-26482 SI qualified, providing military specification-level reliability. It also shows REACH environmental compliance in its documentation, indicating responsible chemical usage. Users should verify regional regulatory requirements for cadmium plating, as some regions restrict its use in consumer electronics and non-military applications.
The backnut backshell enables straightforward field mounting and sealing, reducing installation time and associated labor costs. The high pin count with solder cup contacts supports multi-signal integration in a single connector, minimizing connector spares and replacements, which translates to lower maintenance costs and faster deployment in fleet or production line upgrades.