Eaton 85100A1626SY50 Receptacle - MIL-DTL-26482 SI qualified

Part Number: 85100A1626SY50
Manufacturer
Eaton
Part number
85100A1626SY50

Quick Summary

Introducing the Eaton Souriau 85100A1626SY50: a MIL-DTL-26482 SI qualified square flange receptacle for rugged aerospace and defense connections. Many engineers struggle with ensuring seal integrity, contact reliability, and easy field maintenance in harsh environments. This connector family delivers robust cadmium plating, aluminium shell construction, and tight 26-position performance to satisfy stringent program requirements. MIL-DTL-26482 SI qualification combines with REACH environmental compliance to reduce risk across extended mission lifecycles. By delivering a compact 41 mm length and 31.3 mm footprint, it supports dense panel layouts while improving total cost of ownership through fewer interconnect failures and simpler sourcing. Designed for straight adaptor backshell with solder cup contacts, it integrates quickly into existing assemblies.

Product Information

Extended Description

85100A1626SY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos Y; 85100A1626SY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A1626SY50
Product Length/Depth
41 mm
Product Height
31.3 mm
Product Width
31.3 mm
Product Weight
33.4 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
26
Plating
Cadmium
Shell material
Aluminium
Shell size
16
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
26
Number of cavity #20
26
High-density performance meets demanding space constraints. Feature → Business Impact → Application: The 26-contact layout enables dense wiring in compact panels, reducing harness length and assembly time while maintaining signal integrity for avionics and military systems. This supports faster integration in flight-critical equipment and lowers unit costs per channel. The solder cup contacts deliver reliable terminations for wire harnesses and PCBs, improving field serviceability and reducing rework when maintenance windows are tight. In practice, engineers see fewer loose connections and reduced intermittent failures in harsh environments, enabling more predictable system behavior in aircraft, missiles, and ground support gear. The aluminium shell and cadmium plating provide ruggedness and corrosion resistance, translating to lower maintenance cycles and longer product life in salt spray and vibration-prone applications. The straight backshell adaptor and Y orientation simplify alignment and mating within constrained panel layouts, speeding assembly during installation and servicing. The 41 mm length, 31.3 mm width, and 33.4 g weight contribute to a compact footprint, allowing higher channel density in bill of materials and cabinets, while the MIL-DTL-26482 SI qualification ensures compatibility with defense and aerospace interoperability standards. Compatibility with existing Eaton Souriau mating interfaces minimizes redesign risks and supports rapid program ramp-ups, even when switching from legacy 851-series connectors. The cadmium plating adds an extra layer of corrosion protection for extended deployments, helping maintain electrical performance in challenging environments. Finally, the connector ships with a ready-to-mate configuration, reducing the procurement and lead-time impact common in cross-vendor interconnects.

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FAQs

Begin by confirming mating connectors are aligned to the Y orientation. Secure the square flange to the panel and engage the straight adaptor backshell. Use the 1/3 bayonet coupling to mate, ensuring solder cup contacts are properly seated and routed. Verify cadmium-plated aluminium shell integrity and tighten mounting hardware per standard torque specs. Finally, inspect the 26-contact array for proper alignment and connection before powering.
Yes. The receptacle operates from -40 °C to 125 °C and carries MIL-DTL-26482 SI qualification, which ensures reliability under dynamic aerospace conditions. Cadmium plating adds corrosion resistance, supporting long-term performance in harsh environments. For mission-critical installations, verify mating interface compatibility with the complementary plug and ensure proper environmental seals on the housing.
The 26-contact configuration is ideal for avionics bundles, defense payload interfaces, and rugged industrial equipment requiring dense, reliable signal and power paths. The square flange receptacle, along with the adaptor and straight mating bayonet, supports compact panel layouts and scalable channel counts in aircraft panels, missiles racks, or field-deployed testing rigs.
The 85100A1626SY50 carries MIL-DTL-26482 SI qualification and uses cadmium plating for corrosion resistance. It also aligns with REACH environmental compliance requirements, helping ensure regulatory compatibility in global supply chains. Materials are selected for rugged, long-life operation in harsh service conditions typical of defense and aerospace programs.
The combination of high-density 26-contact capability, solder cup terminations, and robust aluminiumCadmium-plated shell reduces field failures and rework, lowering maintenance downtime. Its compact footprint enables denser panels, lowering harness complexity and BOM costs. MIL-DTL-26482 SI qualification and REACH compliance also minimize regulatory risk, supporting lower lifecycle costs and improved return on investment over extended programs.