Eaton 85100E128PW50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E128PW50
Quick Summary
Eaton 85100E128PW50 square flange receptacle is a rugged MIL-spec connector for avionics and industrial controls. Engineers often battle corrosion, misalignment, and unreliable mating in harsh environments, driving maintenance delays. MIL-DTL-26482 SI qualification, cadmium plating, and an aluminium shell with a backnut offer robust environmental resistance and long service life. This square flange receptacle with eight solder cup contacts delivers reliable performance, simplifies panel mounting, and reduces spare parts needs in mission-critical applications.
Product Information
Extended Description
85100E128PW50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos W; 85100E128PW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E128PW50
Product Length/Depth
32.7 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
13.7 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
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
8
Feature MIL-DTL-26482 SI qualification provides a proven, aerospace-grade interface. Business Impact This level of certification reduces risk of failure in demanding environments and simplifies customer audits. Application Ideal for avionics panels, defense electronics, and rugged industrial controls where reliability matters most. Feature Aluminium shell with square flange receptacle design and backnut backshell improves housing strength and sealing. Business Impact Lightweight yet durable mounting minimizes weight penalties while maintaining environmental sealing. Application Panel installations in mobile equipment and aircraft interiors. Feature Eight solder cup contacts in a male pin configuration enables compact, high-density terminations. Business Impact Enables reliable wiring with a small footprint, lowering harness complexity. Application Control panels and machinery harnesses. Feature 1/3 Bayonet coupling provides fast, vibration-resistant mating. Business Impact Reduces assembly time and maintenance downtime while improving engagement security. Application Aerospace and rugged vehicle installations. Feature Cadmium plating delivers corrosion resistance with REACH-compliant materials. Business Impact Extends service life in challenging environments and lowers maintenance costs. Application Harsh maritime and industrial automation environments. Feature Delivered with connector, W orientation, and 8 contacts; aluminium shell size 12 supports straightforward integration. Business Impact Simplifies installation, spare parts planning, and field replacements. Application Industrial automation, control cabinets, and avionics housings.
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FAQs
The 85100E128PW50 is a square flange receptacle designed to mate with Souriau 851 series plug counterparts that are MIL-DTL-26482 SI qualified. It uses a 1/3 bayonet coupling, backnut backshell, and eight solder cup male contacts, all in shell size 12. Always verify the mating plug part number and ensure the same contact configuration to guarantee a proper, sealed connection.
The assembly supports an operating range from -40 °C to 125 °C, suitable for extreme environments. It features cadmium plating for corrosion resistance and an aluminium shell, with REACH compliance. These attributes collectively provide robust performance in harsh industrial, maritime, and aerospace settings while supporting regulatory alignment.
This receptacle provides eight contacts with pin (male) contact delivery in solder-cup form. It is configured as a square flange receptacle with a straight backshell and 1/3 bayonet coupling, designed for reliable, compact terminations in high-density wiring harnesses commonly used in control panels and avionics.
The backnut backshell combined with a 1/3 bayonet coupling enables quick, vibration-resistant mating and secure mounting. This reduces assembly time, minimizes misalignment risk, and improves field reliability in panel installations on machines, vehicles, and aircraft where rapid maintenance and dependable connections are required.
Expect lower maintenance downtime due to improved reliability in harsh environments, extended service life from corrosion resistance provided by cadmium plating and aluminium shell, and reduced spare-parts requirements from a robust 8-contact, high-density design. These factors translate to lower total cost of ownership in aerospace, defense, and rugged industrial applications.