Eaton 85100AC2025PY50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2025PY50
Quick Summary
Eaton 85100AC2025PY50 is a MIL-DTL-26482 SI qualified square flange receptacle used for rugged aerospace and industrial harness assemblies. This connector addresses space constraints and mixed-signal integration by delivering reliable contact arrangement in a compact footprint. MIL-DTL-26482 SI qualification and REACH compliance provide traceable quality and environmental assurance, supporting high-risk applications with consistent performance. Built for aerospace and defense standards, the 85100 series delivers robust mechanical coupling and corrosion resistance, while the aluminium shell keeps weight in check. Leveraging cadmium plating and solder cup contacts, it strikes a balance between durability and ease of maintenance across harsh environments.
Product Information
Extended Description
85100AC2025PY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Y; 85100AC2025PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2025PY50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
49.1 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
Pin (Male)
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 25 contact configuration with 1/3 bayonet coupling → Business Impact Enables high-density signal and power transfer in a compact bundle, reducing harness complexity and installation time. Application Suitable for aerospace and industrial control panels where space is at a premium and reliable mating is critical. The 25 cavities support multi-channel data and power in a single receptacle, improving diagnostics and maintenance workflows. Feature Cadmium plating for corrosion resistance → Business Impact Extends service life in harsh environments, lowering replacement costs and downtime. Application Military and outdoor installations where exposure to aggressive conditions is common. Feature Aluminium shell and 20 shell size → Business Impact Lightweight yet rigid enclosure reduces system weight and vibration sensitivity, increasing payload efficiency. Application Mobile machinery, aircraft, and robotics where weight matters. Feature Solder Cup contacts and straight backshell adaptor → Business Impact Simplifies assembly and field service, enabling quick field-term changes without special tooling. Application Maintenance-heavy environments where field reliability is essential. Feature Operating temperature -40 to 125 °C → Business Impact Supports wide thermal cycles, preserving signal integrity and reducing error rates. Application Aerospace, defense, and heavy equipment operating in extreme climates. Feature Delivered with connector and Y orientation → Business Impact Streamlines installation and ensures correct alignment during assembly, reducing mis-mating risk. Application Factory and avionics harnessing where repeated connects are routine.
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FAQs
The 85100AC2025PY50 is a square flange receptacle featuring 25 contacts with a straight backshell adaptor and a 1/3 bayonet coupling. It uses solder cup contacts and provides a Y connector orientation. Delivered with connector, it is designed to mate with corresponding 851 series plugs in aerospace and industrial harness assemblies.
Key specs include 25 contacts, 53 mm length, 36.9 mm width, 36.9 mm height, and a 49.1 g weight. The shell is Aluminium in size 20, with cadmium plating. Operating temperature ranges from -40 °C to 125 °C, backshell angle is Straight, and the coupling type is 1/3 Bayonet. The receptacle type is Square Flange Receptacle with a Y orientation.
Yes. The connector is MIL-DTL-26482 SI qualified, which makes it suitable for aerospace and defense use. Its aluminium shell and cadmium plating are designed for harsh environments, and the Y orientation with straight backshell adaptor supports rugged installations. REACH environmental considerations further align it with modern regulatory expectations for aerospace programs.
The 85100AC2025PY50 complies with REACH environmental requirements and carries MIL-DTL-26482 SI qualification. This combination provides traceable qualification for high-reliability applications and reduced compliance risk in regulated markets like aerospace and defense.
Installation benefits include a straight backshell adaptor and a 1/3 Bayonet coupling that speeds mating and un-mating. With 25 contact cavities and a compact 53 mm length, harness density improves, reducing wiring complexity and weight. Field maintenance is simplified by solder cup contacts and a delivered-with-connector package, contributing to lower downtime and faster upgrades.