Eaton 85100AC898PW50 Receptacle - Square Flange MIL-DTL-26482 SI qualified
Part Number: 85100AC898PW50
Quick Summary
Eaton 85100AC898PW50 is a receptacle designed for rugged square flange connections in harsh environments. It delivers reliable MIL-DTL-26482 SI qualification to support mission-critical assemblies while reducing field maintenance. This design emphasizes durability with an aluminium shell, cadmium plating, and a high contact density, ensuring resilient performance across temperature extremes. In practice, engineers gain predictable mating reliability, easier harness integration, and simplified spare parts management, all while keeping system weight low and installation straightforward. For procurement teams, the combination of robust environmental tolerance and standardized backshell options translates into lower lifecycle costs and fewer supply-chain bottlenecks for aerospace, defense, and industrial automation programs.
Product Information
Extended Description
85100AC898PW50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos W; 85100AC898PW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC898PW50
Product Length/Depth
48 mm
Product Height
21 mm
Product Width
21 mm
Product Weight
14 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
W
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
98
Plating
Cadmium
Shell material
Aluminium
Shell size
8
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
98
Feature → Business Impact → Application: 98-pin contact layout enables high-density signal and power transfer with compact panel footprints, reducing panel cutouts and installation time in control cabinets and avionics bays. This, in turn, lowers assembly labor costs and improves reliability in tight-spacing installations. Application: high-density I/O harnesses in aerospace and defense panels. Feature → Business Impact → Application: aluminium shell provides a lightweight yet strong enclosure, improving overall system weight budgets and thermal performance in portable or airborne equipment. Application: rugged field equipment and mobile machines. Feature → Business Impact → Application: cadmium plating delivers corrosion resistance in challenging environments, increasing service intervals and reducing maintenance-related downtime for outdoor or coastal facilities. Application: outdoor automation equipment and maritime-adjacent systems. Feature → Business Impact → Application: straight backshell adaptor and W orientation streamline harness routing, enabling faster installation and easier diagnostics during maintenance windows. Application: panel assemblies with standardized orientation requirements. Feature → Business Impact → Application: 1/3 bayonet coupling offers secure, vibration-tolerant mating while allowing rapid field mate/demate, boosting uptime in mission-critical systems. Application: aircraft and industrial machinery subject to vibration. Feature → Business Impact → Application: solder cup contact delivery supports durable, soldered interconnects with reliable wetting and solder joint integrity, reducing contact resistance drift over life. Application: loom-to-device terminations and assembly lines. The combination of these characteristics delivers measurable outcomes in efficiency, compliance, and lifecycle cost reduction across aerospace, defense, and heavy industry deployments.
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FAQs
Begin by confirming the square flange receptacle mounting hole pattern matches your panel. Align the 98-pin interface with the mating connector, then secure the square flange using appropriate fasteners. Use the straight backshell adaptor for direct routing and engage the 1/3 Bayonet coupling to ensure a secure, vibration-resistant connection. Finish by verifying continuity and environmental sealing, especially in outdoor or harsh environments.
This model uses a male solder contact with a Solder Cup design in a 98-contact array. The shell is aluminium, size 8, with cadmium plating. Operating temperature ranges from -40 °C to 125 °C. It is a square flange receptacle with a straight backshell option and 1/3 Bayonet coupling, delivering reliable high-density interconnections.
Yes. It is MIL-DTL-26482 SI qualified, designed for demanding environments, and built with an aluminium shell and cadmium plating for durability. The 98-contact arrangement supports complex interconnects common in aerospace control panels and defense systems, while the straight adaptor and bayonet coupling provide robust, vibration-tolerant mating.
The product specifications indicate REACH environmental considerations, aligning with regulatory expectations for chemical safety and materials. This helps ensure compliant sourcing and reduces risk in supply chains that require environmental stewardship and responsible materials management.
The combination of high contact density, corrosion-resistant cadmium plating, and vibration-tolerant 1/3 Bayonet coupling reduces field failures and maintenance cycles. While upfront costs may be higher than lower-spec connectors, lifecycle cost savings come from longer service intervals, fewer field repairs, and improved system reliability in aerospace, defense, and industrial automation applications.