Eaton 85100A82SW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A82SW50
Quick Summary
85100A82SW50 is a square flange receptacle that provides rugged power and signal connections for aerospace and industrial control systems. Engineers often face mating reliability challenges, limited space, and difficult harness installations in harsh environments, and this part is designed to address those pains. With MIL-DTL-26482 SI qualification and REACH compliance, it offers robust performance, corrosion resistance, and long-term availability for critical programs. The compact aluminium shell and cadmium plating enable lightweight, durable assemblies suitable for rugged equipment, while the 851 series compatibility ensures straightforward procurement and maintenance savings for system integrators and OEMs.
Product Information
Extended Description
85100A82SW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos W; 85100A82SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A82SW50
Product Length/Depth
41 mm
Product Height
21 mm
Product Width
21 mm
Product Weight
9.7 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
Layout
2
Plating
Cadmium
Shell material
Aluminium
Shell size
8
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
8
Number of cavity #20
2
Feature: MIL-DTL-26482 SI qualification → Business Impact: Delivers proven performance in high-vibration, temperature extremes, and mission-critical programs → Application: Aerospace, defense, and rugged industrial equipment rely on certified connectors for reliability. Feature: 8 solder cup contacts → Business Impact: Enables compact multi-signal/power paths within a single receptacle, reducing harness complexity and installation time → Application: Control panels, avionics enclosures, and machine controls. Feature: Cadmium plating on an aluminium shell → Business Impact: Provides corrosion resistance with light weight, lowering maintenance needs and influencing thermal performance → Application: Harsh environments, outdoor equipment, and high-dust locales. Feature: 1/3 Bayonet coupling → Business Impact: Quick mating and secure retention, minimizing downtime during field service or assembly → Application: On-site assemblies and modular systems with tight clearances. Feature: Backshell adaptor and straight backshell → Business Impact: Simplifies integration with existing harnesses and supports straightforward routing → Application: Pre-assembled cables and modular harness designs. Feature: Compact size and temperature range (41 mm length, 21x21 mm, -40 to 125 °C) → Business Impact: Minimal space, weight, and thermal footprint while expanding installation options → Application: Aerospace, industrial automation, and rugged equipment.
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FAQs
The 85100A82SW50 is a Souriau 851 series square flange receptacle designed to mate with the corresponding MIL-DTL-26482 SI qualified plug inserts. It features 8 solder cup contacts and a 1/3 bayonet coupling for secure, rapid mating. It ships as a connector assembly with the adaptor backshell, simplifying field or panel installation and reducing bespoke harness work.
This receptacle provides eight solder cup contacts within an aluminium shell size 8, configured for a receptacle mating with a compatible plug. It operates across a wide temperature range from -40 °C to 125 °C, making it suitable for aerospace, defense, and harsh industrial environments while maintaining reliable signal and power integrity.
Yes. MIL-DTL-26482 SI qualification indicates suitability for demanding aerospace and rugged industrial use, providing reliable mating under vibration and thermal cycling. The cadmium-plated aluminium shell offers corrosion resistance, and the straight backshell with adaptor supports robust harness integration in compact installations typical of avionics, control panels, and field-deployed equipment.
The key standard for this product is MIL-DTL-26482 SI qualification, ensuring suitability for military and aerospace applications. It also references REACH environmental compliance. The cadmium plating and aluminium shell combine to meet industry expectations for corrosion resistance and lightweight construction in harsh environments, aiding regulatory alignment and long-term maintenance planning.
The 85100A82SW50 delivers quick, reliable mating with a 1/3 bayonet coupling and a straight backshell adaptor, reducing assembly time and field maintenance. Its lightweight design (9.7 g) with compact dimensions minimizes harness weight and space, contributing to improved thermal management and lower system-level costs over the product life cycle.