Eaton 85100E128SW50 Receptacle -MIL-DTL-26482 SI qualified
Part Number: 85100E128SW50
Quick Summary
Eaton 85100E128SW50 is a MIL-DTL-26482 SI qualified square flange receptacle used in rugged aerospace and industrial systems. In demanding environments, loose contacts or corrosion can drive downtime and maintenance costs, so dependable mating and sealing are critical. This family aligns with MIL-DTL-26482 SI qualification and REACH compliance, helping you meet stringent aerospace and environmental standards. Beyond compliance, it delivers compact weight, easy panel mounting, and reliable solder-cup contacts for high-density assemblies.
Product Information
Extended Description
85100E128SW50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos W; 85100E128SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E128SW50
Product Length/Depth
32.7 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
14.7 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
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
8
Feature: 8-contact, socket (female) solder cup contacts provides robust signal and power paths. Benefit: Improves connection integrity and reduces intermittent failures, supporting reliable operation in high-vibration environments. Application: Used in compact, multi-circuit assemblies for aerospace and industrial equipment. Feature: Cadmium plating on an aluminium shell offers corrosion resistance and lightweight strength. Benefit: Extends service life in harsh climates while keeping weight to a minimum. Application: Outdoor or aircraft-installed panels where corrosion is a concern. Feature: 1/3 bayonet coupling enables quick, secure mating. Benefit: Reduces maintenance time and improves battlefield or field-service efficiency. Application: Quick-connect installations and field repair workflows. Feature: Backnut backshell type with straight orientation (W) supports straightforward panel mounting. Benefit: Simplifies installation and ensures consistent cable routing in tight spaces. Application: Industrial control panels and avionics racks. Feature: Operating temperature range of -40 °C to 125 °C provides broad environmental suitability. Benefit: Enables operation across extreme climates without derating. Application: Military ground vehicles, aerospace ground support, and industrial automation. Feature: Delivered with connector and loaded contacts (Solder Cup) enhances readiness and reduces assembly steps. Benefit: Accelerates deployment and minimizes sourcing complexity. Application: OEM harness builds and fielded equipment.
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FAQs
The 85100E128SW50 is a square flange receptacle designed for panel mounting with a backnut. It offers a straight backshell orientation (W) and is delivered as a complete connector assembly, ready for harness integration with solder-cup contacts. This simplifies panel fitment and ensures robust mechanical retention in vibration-prone environments.
This part features 8 contacts across 8 cavities, with socket (female) solder cup contacts. It has an aluminium shell (shell size 12), cadmium plating, and operates from -40 °C to 125 °C. The coupling is 1/3 bayonet, and it is a square flange receptacle with a backnut for secure installation.
Yes. The 85100E128SW50 is MIL-DTL-26482 SI qualified, ensuring performance under stringent aerospace and defense standards. It also aligns with REACH environmental requirements, supporting compliant deployments across regulated markets.
Ideal for aerospace, defense, and industrial automation applications that demand robust vibration resistance, thermal tolerance, and reliable multi-pin connections. The square flange receptacle and backnut design suit panel-mount assemblies in control cabinets, avionics bays, and rugged machinery.
Key advantages include quick mating via 1/3 bayonet coupling, a backnut for secure panel mounting, and a lightweight aluminium shell with cadmium plating for corrosion resistance. Delivered with connector and loaded contacts, it streamlines harness assembly and reduces field service time.