Eaton 85100AC2221PY50 Receptacle - MIL-DTL-26482 SI qualified

Part Number: 85100AC2221PY50
Manufacturer
Eaton
Part number
85100AC2221PY50

Quick Summary

The Eaton Souriau 85100AC2221PY50 Receptacle provides rugged MIL-DTL-26482 connectivity for aerospace and industrial equipment. Engineers frequently confront mating reliability and environmental protection challenges in vibration-heavy or extreme-temperature installations. This 851 series is MIL-DTL-26482 SI qualified and REACH compliant, with cadmium plating for corrosion resistance and an aluminium shell built to endure harsh service. The design supports efficient wiring and serviceability, while 21 contacts and a straight backshell simplify installation in tight panels. Together, these features translate into reduced downtime, predictable performance, and lower total cost of ownership for complex automation systems.

Product Information

Extended Description

85100AC2221PY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Y; 85100AC2221PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2221PY50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
62.3 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
21
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
21
Number of cavity #16
21
Feature → Business Impact → Application: MIL-DTL-26482 SI qualified design delivers aerospace-grade reliability in harsh environments, reducing maintenance cycles and downtime in defense and industrial automation applications. This enables equipment operators to meet stringent uptime targets and maintain critical uptime for mission-critical systems. Feature → 21 contact Solder Cup configuration provides secure, vibration-resistant electrical connections that tolerate field soldering processes, improving assembly yield and long-term contact integrity in rugged machinery like robotic cells and packaging lines. Feature → Cadmium plating on an aluminium shell delivers robust corrosion resistance without sacrificing shell strength, extending service life in coastal or chemical-exposure environments and lowering replacement costs in oil, gas, and processing facilities. Feature → Straight backshell with 1/3 Bayonet coupling simplifies panel mounting and mating alignment, enabling faster field installation and easier maintenance in confined enclosures found in aerospace racks and industrial control panels. Feature → Delivered with connector option and loaded contacts reduces on-site prep time, accelerating project schedules and decreasing labor costs for capital projects and system upgrades. Feature → Operating temperature range from -40 °C to 125 °C supports operation across extreme climates and equipment siting, ensuring consistent performance in unmanned stations, outdoor environments, and automotive test rigs. Feature → 21 cavities and square flange receptacle geometry provide a compact, high-density solution that optimizes panel real estate while maintaining signal integrity and EMI resilience in multi-channel power and data assemblies.

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FAQs

The 85100AC2221PY50 is a square flange receptacle designed to mate with Souriau 851 series mates using a 1/3 bayonet coupling. It features a straight backshell, Y orientation, and 21 loaded solder cup contacts, delivered with connector options to streamline panel mounting and mating with compatible Souriau connectors.
Key specs include 21 contacts (Pin/Male) in a 21-position layout, cadmium plating on an aluminium shell, backshell straight adaptor, and 1/3 bayonet coupling. Operating temperature ranges from -40 °C to 125 °C, with REACH environmental compliance and loaded contact delivery for reliable, vibration-tolerant connections.
This MIL-DTL-26482 SI qualified receptacle is well-suited for aerospace, defense, and harsh-environment industrial automation where reliable panel-mount connectors, vibration resistance, and high-density contact layouts are critical for control systems, avionics, and rugged machinery.
Yes, the 85100AC2221PY50 is REACH compliant and MIL-DTL-26482 SI qualified, reflecting adherence to stringent environmental and performance standards for military and aerospace-grade connectors.
Use the straight backshell adaptor to simplify alignment during panel mounting, ensure proper mating with a compatible 851 series mate, and verify solder cup terminations are secure and corrosion-protected by cadmium plating. Opting for the pre-delivered connector option reduces field assembly time, minimizes error-prone wiring, and lowers total cost of ownership over the connector’s life cycle.