Eaton 85100AC2025SY50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2025SY50
Quick Summary
The Eaton 85100AC2025SY50 Receptacle provides MIL-DTL-26482 square-flange connectivity for rugged automation and aerospace assemblies. Manufacturers often struggle with misalignment, corrosion, and incompatible contact layouts that drive downtime. This SI-qualified design delivers cadmium plating, 25 contacts, and an aluminium shell for REACH compliance and harsh-environment use. In practice, you gain faster install times, improved mating reliability, and higher uptime, while maintaining essential regulatory alignment. For engineers prioritizing panel-ready integration and dependable signal integrity, this connector delivers a balanced mix of performance, compliance, and practical installation advantages.
Product Information
Extended Description
85100AC2025SY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos Y; 85100AC2025SY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2025SY50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
52.6 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
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 → Business Impact → Application: MIL-DTL-26482 SI qualification ensures military-grade performance with consistent mating reliability, reducing field failures and warranty costs. This translates to higher system availability in aerospace, defense, and critical industrial installations where downtime is not an option. Application: use in high-vibration environments where secure latching and robust contact performance are required. Feature → Business Impact → Application: Cadmium plating provides corrosion resistance in challenging environments, extending service life and minimizing maintenance cycles. Application: harsh outdoor or coastal automation sites, offshore equipment, and heavy industrial plants. Feature → Business Impact → Application: Square flange receptacle with a straight adaptor simplifies panel mounting and alignment, delivering faster assembly and easier field retrofit. Application: control panels and harness assemblies in compact footprints. Feature → Business Impact → Application: 25 solder cup contacts support clean, reliable soldered terminations with consistent electrical performance, enabling robust signal and power distribution in complex harnesses. Application: wired instrumentation, sensor networks, and power wiring in automation cabinets. Feature → Business Impact → Application: Aluminium shell reduces weight while maintaining strength, improving overall system efficiency and tolerances in payload-constrained installations. Application: aerospace enclosures, mobile equipment, and portable control systems. Feature → Business Impact → Application: Y orientation and delivered-with-connector options simplify installation planning and reduce change orders during assembly. Application: field service teams and assembly technicians seeking predictable builds and reduced error rates.
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FAQs
This model uses a straight adaptor and a Y-oriented backshell designed for a square flange receptacle. It mates with compatible Souriau 851-series connectors and supports a 1/3 bayonet coupling. Ensure the panel cutout and mounting hardware match the 53 mm length and 36.9 mm width/height to achieve proper alignment and seal integrity.
The unit features 25 contacts in a socket (female) configuration with solder cup terminations. The layout accommodates 25 cavities, enabling full 25-position connectivity for complex harnesses while maintaining reliable signal integrity in demanding environments.
Yes. It is cadmium-plated for corrosion resistance and carries MIL-DTL-26482 SI qualification, with environmental REACH considerations noted in specifications. Operating temperature ranges from -40 °C to 125 °C, making it suitable for demanding industrial and aerospace applications while supporting regulatory compliance.
The product uses a square flange receptacle design with a straight adaptor, simplifying alignment during panel mounting. It is delivered ready with connector options, reducing assembly steps and minimizing misalignment. The aluminium shell provides a favorable weight-to-strength ratio, improving installation efficiency in space-constrained enclosures.
Cadmium plating and robust MIL-grade construction reduce corrosion-related maintenance and replacement frequency. The 25-contact solder cups support reliable, easy rework, while the light aluminium shell lowers overall system weight, contributing to fuel and energy savings in mobile or aerospace platforms. Expect lower downtime and longer service intervals with this configuration.