Eaton 85100E2025SY50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100E2025SY50
Quick Summary
85100E2025SY50 is a MIL-DTL-26482 SI qualified receptacle for high-reliability connectors. Engineers often struggle with field reliability, corrosion resistance, and precise mating in tight, demanding installations. This model delivers MIL-DTL-26482 SI qualification, cadmium plating for ruggedness, and an aluminium shell with backnut for robust performance. As a square flange receptacle with solder cup contacts and a 1/3 bayonet coupling, it supports quick, dependable assembly in aerospace, defense, and industrial automation projects, reducing wiring time and risk of field failures. By combining reliable performance with straightforward installation, it helps streamline procurement and maintenance cycles while meeting strict compliance expectations.
Product Information
Extended Description
85100E2025SY50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos Y; 85100E2025SY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2025SY50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
44.7 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
Y
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
25
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
25
Number of cavity #20
25
Feature: MIL-DTL-26482 SI qualification provides proven performance in harsh environments. Business Impact: Improves field reliability and reduces downtime in critical systems. Application: Aerospace and military-industry installations where standards-based peppering of connectors is essential. The result is lower lifecycle costs and fewer service calls. The 85100E2025SY50’s square flange receptacle design and backnut option simplify panel mounting, enabling faster refurbishments and easier field replacements. Feature: Cadmium plating offers corrosion resistance, extending service life in aggressive environments. Business Impact: Longer intervals between maintenance and fewer protective coatings to manage. Application: Outdoor industrial plants and marine-adjacent facilities where exposure is common. Feature: Aluminium shell keeps weight low while providing mechanical strength. Business Impact: Reduces overall system weight without compromising durability. Application: Aircraft interiors and rugged automation panels where weight budgets matter. Feature: 1/3 bayonet coupling and Y orientation support quick, secure mating. Business Impact: Minimizes misalignment risk and speeds installation in tight spaces. Application: High-density panel arrays with backnut compatibility. Feature: Solder Cup contact type and 25 contact positions deliver versatile wiring options. Business Impact: Enables reliable soldered connections with straightforward termination. Application: Precision harnesses and serviceable assemblies in industrial gear.
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FAQs
The 85100E2025SY50 is designed as a square flange receptacle with a backnut, enabling straightforward mounting on panels and compatible assembly with backnut fittings. The 1/3 bayonet coupling provides a quick, secure mate without tools in many standard installations, reducing assembly time and minimizing misalignment risks in dense wiring harnesses.
This connector supports 25 solder cup contacts in an aluminium shell with cadmium plating. It operates from -40 °C to 125 °C and carries REACH environmental compliance. The 25-position layout, solder termination, and backnut option suit rugged applications where weight, space, and resilience are critical.
Yes. The 85100E2025SY50 is MIL-DTL-26482 SI qualified, ensuring high-reliability performance in demanding environments. It also adheres to REACH environmental standards, supporting compliance programs in aerospace, defense, and industrial automation that require responsible materials management and traceability.
Aerospace, defense, and heavy industrial automation benefit most due to the combination of MIL-DTL-26482 SI qualification, robust cadmium plating, and aluminium shell. Its 25-contact, solder-cup design with a square flange backnut system is ideal for mission-critical panels, avionics, and rugged factory deployments where reliable mating and maintainability matter.
Expect reduced downtime thanks to MIL-DTL-26482 SI reliability, longer service life from cadmium plating, and easier field maintenance with a backnut, square flange interface. The lightweight aluminium shell helps manage overall system weight, while the 25-contact configuration streamlines wiring harnesses, contributing to lower maintenance costs and faster repairs.