Eaton 85100A128SW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A128SW50
Quick Summary
85100A128SW50 is a square flange receptacle for MIL-DTL-26482 SI qualified connections in rugged industrial and aerospace applications. Engineers often struggle with vibration, corrosion, and assembly time; this connector combines cadmium plating, solder cups, and a 1/3 bayonet coupling to reduce field failures. Key certifications include MIL-DTL-26482 SI qualification and REACH compliance, supporting regulatory acceptance and traceability in critical programs. The design leverages an aluminium shell and a straight backshell for easy routing and lightweight maintenance, while delivering eight contacts in a compact 41 mm length. This product streamlines panel integration and lowers maintenance costs, with reliable performance across -40 to 125 °C and demanding service conditions. The design also supports plug-and-play installation when used with compatible connectors.
Product Information
Extended Description
85100A128SW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos W; 85100A128SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A128SW50
Product Length/Depth
41 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
18.9 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
W
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
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
7
Feature: MIL-DTL-26482 SI qualified 851 series square flange receptacle with eight solder cup contacts. Benefit: Ensures regulatory compliance and high reliability in vibration-prone environments, reducing field failures and service disruptions. Application: Aerospace, defense, rugged industrial automation installations. The integration translates into measurable uptime gains in mission-critical panels. Feature: Cadmium plating on an aluminium shell. Benefit: Provides superior corrosion resistance while keeping weight low, enabling lighter assemblies and longer life in harsh environments. Application: Marine, offshore, and outdoor equipment where exposure is a concern. This improves maintenance intervals and total cost of ownership. Feature: Straight backshell and adaptor options with 1/3 bayonet coupling. Benefit: Simplifies routing and quick mating/demate operations, saving assembly time and reducing installer fatigue. Application: Control cabinets and field-deployed systems, where dense layouts demand reliable, repeatable connections. Feature: 41 mm product depth and 26.5 mm width/height with aluminium shell. Benefit: Compact footprint and light weight support dense panel designs without sacrificing rigidity. Application: Space-constrained automation enclosures and mobile equipment. This contributes to lower transport costs and easier serviceability. Feature: Eight contact positions with solder cup contact type and delivered with connector. Benefit: Flexible, stable wiring solution, easy rework, and robust electrical performance. Application: High-density signal and power harnesses in industrial controls, CNC systems, and robotics. Feature: REACH compliance and environmental consideration. Benefit: Regulatory peace of mind for regulated programs and sustained supply chain acceptance. Application: Europe and global programs requiring robust environmental and safety compliance.
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FAQs
Begin by aligning the square flange with the mating panel, engage the 1/3 bayonet coupling until it seats, and ensure the straight backshell is oriented as specified (W). Use the solder cup contacts for soldered wiring, and verify cadmium plating integrity to maintain corrosion resistance. The connector is delivered with the assembly in mind, facilitating plug-and-play installation when paired with a compatible mate.
Yes. It is MIL-DTL-26482 SI qualified, which supports aerospace and defense requirements. The design operates from -40 °C to 125 °C and complies with REACH environmental standards, enabling acceptance in regulated programs and traceability across the supply chain.
The receptacle provides eight solder cup contacts in a square flange footprint. It uses a straight backshell with a 1/3 bayonet coupling for secure mating. The shell size is 12 with an overall depth of 41 mm, fitting compact panel layouts while maintaining reliable electrical performance.
Yes. MIL-DTL-26482 SI qualification ensures regulatory alignment for high-reliability programs, and REACH compliance addresses environmental considerations. This combination supports compliance in global programs and reduces regulatory risk during certification.
The combination of corrosion resistance, lightweight aluminium shell, and quick mating with a 1/3 bayonet coupling reduces maintenance downtime and installation time. Eight solder cup contacts enable straightforward wiring, contributing to lower total cost of ownership through longer service intervals, easier field replacements, and improved system uptime.