Eaton 85100AC2041PX50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2041PX50
Quick Summary
Eaton Souriau 85100AC2041PX50 is a MIL-DTL-26482 SI qualified square flange receptacle that delivers high-density signal connectivity for rugged aerospace and industrial control applications. Engineers often struggle with misalignment, corrosion, and tedious mating in harsh environments; this design mitigates those pains with a cadmium-plated aluminium shell and a robust adaptor backshell. The solution carries MIL-DTL-26482 SI qualification and REACH compliance, offering reliability across mission-critical systems while supporting standard automation interfaces. For teams focusing on maintenance efficiency and supply chain consistency, this connector aligns with automation projects and cable assemblies, delivering 41 solder cup contacts and precise 1/3 bayonet coupling for rapid field service.
Product Information
Extended Description
85100AC2041PX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos X; 85100AC2041PX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2041PX50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
54.6 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
X
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
41
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
41
Number of cavity #20
41
Feature: MIL-DTL-26482 SI qualified design. Business Impact: Ensures regulatory compliance and proven performance in demanding environments, reducing rework and risk during integration. Application: Aerospace, defense, and heavy industrial equipment requiring MIL-spec reliability. Feature: 41 contacts in a compact 53 mm length. Business Impact: High-density signal capability allows more functionality in a smaller footprint, optimizing panel space and reducing harness complexity. Application: Control panels and cockpit assemblies where space is at a premium. Feature: Cadmium plating on an aluminium shell. Business Impact: Enhanced corrosion resistance and light weight contribute to longer service life and lower lifecycle costs. Application: Outdoor installations and maritime or other challenging environments. Feature: Straight backshell adaptor with 1/3 bayonet coupling. Business Impact: Easy mating, quick field maintenance, and secure mating under vibration conditions. Application: Fielded systems and rapid-swap scenarios in automation racks. Feature: Solder Cup contact with pin (male) delivery. Business Impact: Reliable solder connections and stable electrical performance for rugged assemblies. Application: Custom harness terminations and backplane interconnects. Feature: Operating temperature range from -40 °C to 125 °C. Business Impact: Wide thermal tolerance reduces the need for thermal management and increases uptime in extreme climates. Application: Aerospace, industrial automation, and mobile equipment. Feature: Cadmium plating, aluminium shell, and square flange receptacle construction. Business Impact: Combines durability with lightweight design to meet strict environmental and mechanical requirements. Application: Harsh environment control systems and solar-tocontroller interfaces. These attributes collectively support long-term reliability, supplier standardization, and reduced total cost of ownership across automation projects, while addressing common objections about weight, installation complexity, and regulatory compliance.
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FAQs
The 85100AC2041PX50 features a straight backshell adaptor and a 1/3 bayonet coupling, delivering straightforward mating and secure retention even in vibration-heavy environments. It comes with solder cup contacts and is delivered with the connector, simplifying field terminations and panel mounting while maintaining tight environmental seals.
Yes. The 85100AC2041PX50 is MIL-DTL-26482 SI qualified, with a 41-contact layout and a square flange receptacle design. Its cadmium-plated aluminium shell and solder cup contacts meet the need for robust, MIL-spec interconnectivity in demanding applications.
It is designed for wide-temperature operation from -40 °C to 125 °C, with REACH environmental compliance, cadmium plating, and aluminium shell construction. This makes it suitable for aerospace, defense, and industrial automation environments that face corrosive exposure and thermal stress.
The MIL-spec qualification, high contact density, and durable materials reduce maintenance cycles and panel rework, while enabling longer service life in harsh environments. The result is lower total cost of ownership, fewer spare part variations, and faster system integration across automation projects.
The receptacle supports 41 cavities with 41 contacts, all of which are solder cup contacts delivering reliable, low-resistance connections for high-density signal transmission in complex harnesses and backplanes.