Eaton 85100A2025SY50 Receptacle - MIL-DTL-26482 qualified
Part Number: 85100A2025SY50
Quick Summary
85100A2025SY50 is a MIL-DTL-26482 qualified square flange receptacle used for rugged aerospace and industrial interconnections. Engineers often struggle with compact, corrosion-prone connectors that complicate assembly and risk field failures in harsh environments. MIL-DTL-26482 SI qualified ensures high-reliability performance in vibration, temperature extremes, and continuous operation, while REACH compliance covers environmental safety. This design supports the Souriau 851-series lineage and 1/3 bayonet coupling, offering durable, field-installable solutions. Its aluminium shell keeps weight down without sacrificing strength, delivering tangible business value through reduced maintenance, faster integration, and longer service life in demanding settings.
Product Information
Extended Description
85100A2025SY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos Y; 85100A2025SY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2025SY50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
44.2 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: MIL-DTL-26482 compatibility and SI qualification underpin rugged reliability. Business Impact: Delivers consistent mating performance and environmental sealing across vibration and thermal cycling, reducing in-field failures and rework. Application: Ideal for aerospace, defense platforms, and heavy-duty industrial equipment where reliability matters. Feature: 25 solder cup contacts in a square flange receptacle. Business Impact: Enables dense wiring harnesses and streamlined harness routing, cutting panel space and installation time. Application: Suitable for avionics racks, vehicle integration, and compact control panels where channel density matters. Feature: Cadmium plating on a durable aluminium shell. Business Impact: Improves corrosion resistance and longevity in harsh environments, lowering maintenance frequency and lifecycle cost. Application: Outdoor or exposed installations in mining, energy, or military applications. Feature: Aluminium shell with a 20 shell size and 44 mm depth. Business Impact: Lightweight yet robust enclosure reduces overall system weight and supports easier handling during assembly. Application: Portable systems, airborne equipment, and rack-mounted assemblies that demand weight efficiency. Feature: 1/3 Bayonet coupling with straight backshell adaptor. Business Impact: Speeds mating and disassembly, simplifies field upgrades, and enhances vibration resistance. Application: Field service, equipment refresh cycles, and high-reliability installations in industries with frequent interconnections.
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FAQs
The 85100A2025SY50 is a square flange receptacle designed for MIL-DTL-26482 integration with a straight backshell adaptor. It uses a 1/3 bayonet coupling and 25 solder cup contacts, oriented in a Y configuration. This combination supports dense harness routing, straightforward panel mounting, and reliable mating in vibration-prone environments.
This receptacle supports an operating temperature range from -40 °C to 125 °C. It employs socket (female) solder cup contacts, with 25 contacts total. The cadmium-plated aluminium shell balances mechanical robustness with light weight, suitable for rugged deployments in aerospace and industrial contexts.
Yes. The 85100A2025SY50 is MIL-DTL-26482 qualified, which is a standard in high-reliability aerospace and defense connectors. Coupled with REACH compliance and a corrosion-resistant cadmium finish, it is well-suited for demanding environments, vibration, and temperature extremes common in aircraft, ground defense systems, and industrial platforms.
The connector adheres to MIL-DTL-26482 with SI qualification, ensuring high reliability under harsh conditions. It is REACH compliant, addressing restricted substances in manufacturing. Cadmium plating provides corrosion resistance, while the aluminium shell contributes to overall system durability and manageability in outdoor or industrial deployments.
The combination of a straight backshell adaptor, 1/3 bayonet coupling, and a delivered-with connector option simplifies installation and field maintenance, reducing labor time and downtime. With 25 contacts in a compact 44 mm depth, it supports dense wiring, lowers spare parts needs, and extends service life in mission-critical equipment across aerospace, defense, and automation sectors.