Eaton 85100A128PX50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100A128PX50
Quick Summary
Eaton Souriau 85100A128PX50 Receptacle is MIL-DTL-26482 SI qualified square flange receptacle for rugged defense and aerospace applications. Engineers often struggle with reliable mating in harsh environments, corrosion resistance, and regulatory compliance; this connector addresses those challenges with cadmium plating and a robust mil-spec build. MIL-DTL-26482 SI qualification and REACH environmental conformance provide critical assurance for demanding programs and international supply chains. The design also emphasizes compatibility and installation efficiency, supporting Souriau 851 series ecosystems while delivering dependable performance for high-density layouts and quick field servicing.
Product Information
Extended Description
85100A128PX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos X; 85100A128PX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A128PX50
Product Length/Depth
41 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
17.8 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
Plating
Cadmium
Shell material
Aluminium
Shell size
12
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
8
Number of cavity #20
6
Feature → Business Impact → Application: The 85100A128PX50 uses a square flange receptacle with an aluminium shell and cadmium plating, delivering superior mechanical robustness and corrosion resistance in harsh environments. This translates to reduced maintenance cycles and longer service life in aerospace and rugged industrial equipment, improving uptime and total ownership cost. Feature → Business Impact → Application: With 8 solder cup contacts and a straight backshell adaptor oriented at X, you gain reliable signal integrity and straightforward wiring in constrained panels, enabling quicker assembly and easier field repairs on aircraft, trucks, or machinery. Feature → Business Impact → Application: The 1/3 bayonet coupling offers fast mate/unmate cycles without compromising vibration resistance, supporting quick field swaps and reduced downtime during mission-critical operations. Feature → Business Impact → Application: Operating between -40 °C and 125 °C, the connector maintains performance across extreme temperatures common in outdoor, aviation, and defense environments, helping ensure regulatory compliance and consistent data transmission. Feature → Business Impact → Application: Delivered with connector, 12 shell size, 41 mm length, 26.5 mm width, and 26.5 mm height, this compact geometry supports high-density wiring and easier panel layout, reducing enclosure size and cabling complexity. Feature → Business Impact → Application: The eight contacts in a single receptacle simplify harness design, lowering part count and enabling more economical assemblies for armored vehicles, industrial robotics, and power/control panels. These elements collectively address common objections about cost, compatibility, and lifecycle support while aligning with long-term maintenance plans and supplier ecosystem.
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FAQs
Installation requires mounting to a compatible panel with a square flange, aligning the backshell adaptor in the X orientation, and securing with the intended fasteners. Use the straight backshell and ensure solder cup contacts are correctly positioned for cable routing. The connector is delivered with the connector, simplifying initial assembly and reducing onsite setup time.
The 85100A128PX50 is designed to withstand operating temperatures from -40 °C to 125 °C, preserving electrical performance and contact integrity in extreme environments. MIL-DTL-26482 SI qualification confirms compliance with rigorous military standards for mating cycles, vibration, and environmental sealing, offering reliable performance in avionics, military vehicles, and industrial equipment.
Yes. The 85100A128PX50 is part of the Souriau 851 series ecosystem, using a standard MIL-DTL-26482 form factor and 1/3 bayonet coupling. This ensures broader compatibility with existing Souriau 851 family parts, simplifying part selection and enabling modular, scalable harness design for complex assemblies.
Key certifications include MIL-DTL-26482 SI qualification for mil-spec performance and REACH compliance for environmental safety. These certifications matter because they validate ruggedness, reliability in harsh environments, and regulatory adherence across global supply chains, reducing risk in aerospace, defense, and industrial sectors.
The connector’s rugged mil-spec construction, corrosion resistance from cadmium plating, and 1/3 bayonet mating pattern reduce maintenance and downtime. With eight contacts and compact dimensions, you can lower harness complexity and part count, improving uptime, simplifying spares inventories, and delivering faster field servicing in harsh environments.