Eaton 85100E128S50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100E128S50
Quick Summary
The Eaton 85100E128S50 receptacle provides a rugged MIL-DTL-26482 connection for sealed, high-reliability avionics and industrial automation. Engineers struggle with corrosion risk, misalignment, and downtime in harsh environments. MIL-DTL-26482 SI qualification, cadmium plating, aluminium shell, and a wide -40 to 125 °C operating range enhance reliability and service life. This backnut, square flange receptacle with eight solder-cup contacts delivers straightforward installation, robust mating, and long-term cost savings for automation projects. Designed for compatible panels and standard backnut mounting, it simplifies field replacement and reduces installation risk. With its EMI shielding potential and corrosion resistance, it supports longer mean time between maintenance in demanding manufacturing and aerospace environments.
Product Information
Extended Description
85100E128S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E128S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E128S50
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
N
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 MIL-DTL-26482 SI qualification ensures reliable mating under vibration and extreme temperature swings, reducing field failures and downtime in aerospace and heavy automation. Benefit translates to predictable uptime and lower maintenance costs in mission-critical equipment. Application: aerospace, defense, and rugged industrial systems. Feature Eight solder cup contacts provide robust electrical continuity and straightforward soldering during panel installation, enabling strong signal integrity and easier field repairs. Benefit includes faster assembly, fewer rework cycles, and improved reliability in control panels and motor drives. Application: panel-mounted automation hardware. Feature 1/3 Bayonet coupling delivers quick, secure mating with excellent vibration resistance, reducing wear and easing maintenance in machinery subject to frequent re-assembly. Benefit: reduced service time and longer connector life. Application: robotics, CNC machines, and packaging lines. Feature Backnut and square flange mounting simplify panel installation, ensuring accurate alignment and secure retention while enabling compatible enclosure designs. Benefit: streamlined field installs and lower risk of misalignment. Application: control enclosures and instrument panels. Feature Cadmium plating and aluminium shell provide corrosion resistance and shielding in harsh environments, supporting reliability in outdoor and high-humidity facilities. Benefit: extended MTBF and improved EMI performance. Application: outdoor kiosks, process plants, and mobile equipment. Feature Wide operating range of -40 °C to 125 °C supports operation across cold start and high-temperature cycles, reducing the need for multiple part SKUs. Benefit: single solution for global deployment and minimized spare parts. Application: industrial automation in varied climates. Feature Lightweight design at 14.7 g minimizes overall harness weight, contributing to reduced cabling budgets and easier installation in space-constrained panels. Benefit: lower total installed cost and easier serviceability. Application: aerospace subsystems and compact automation modules.
Get a Quick Quote for a Eaton 85100E128S50
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton 85100E128S50?
Enquire Now
FAQs
The 85100E128S50 is designed for backnut mounting on square flange panels. Align the receptacle with the panel cutout, thread the backnut from the exterior, and tighten to specification to ensure a secure seal and proper orientation (N). Use appropriate torque values and solder the 8 solder cups as required to maintain signal integrity.
This receptacle combines MIL-DTL-26482 SI qualification with cadmium plating and an aluminium shell, delivering corrosion resistance and EMI shielding. Its operating temperature range of -40 to 125 °C and REACH-compliant environmental considerations enable reliable performance in extreme industrial and aerospace settings.
Yes. The 85100E128S50 features 8 sockets with solder-cup contacts, loaded contact delivery, and a 1/3 bayonet coupling, making it ideal for robust, soldered power and signal connections in control panels and automation equipment.
Key specs include MIL-DTL-26482 SI qualification, cadmium plating, aluminium shell, square flange receptacle type, backnut mounting, and a -40 to 125 °C operating range. The environmental condition noted is REACH, supporting compliance in regulated markets.
The combination of backnut mounting, fast 1/3 bayonet coupling, and pre-loaded solder-cup contacts reduces field assembly time and maintenance complexity. Its lightweight 14.7 g design and durable construction lower total cost of ownership in continuous-use automation and aerospace environments.