Eaton 85100AC2041PY50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100AC2041PY50
Quick Summary
Eaton Souriau 85100AC2041PY50 is a MIL-DTL-26482 SI qualified square flange receptacle for rugged harness assemblies. Engineers often struggle with reliable signal integrity, weight, and fit when connecting dense electronics in harsh environments. This family carries MIL-DTL-26482 SI qualification and REACH environmental compliance, plus cadmium plating and aluminium shell for corrosion resistance. The combination of a 41-contact layout, 1/3 bayonet coupling, and a straight backshell delivers a compact, high-density solution. By aligning with standard Souriau 851 interfaces, it supports seamless compatibility and faster procurement for aerospace and industrial automation programs. This design also reduces field maintenance risk with loaded contacts and proven solder cup reliability.
Product Information
Extended Description
85100AC2041PY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Y; 85100AC2041PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2041PY50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
54.6 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
41
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
41
Number of cavity #20
41
Feature: 41 contacts in a compact 53 mm length and 36.9 mm width enables high-density connectivity with fewer harness panels; Business Impact: reduces wiring complexity, weight, and installation time; Application: aerospace harnesses and dense control panels. 41-contact layout supports scalable multicore signals and power in a single housing. Feature: 1/3 Bayonet coupling and straight backshell provide quick, secure mating with vibration resistance; Business Impact: faster field mating, lower downtime, improved reliability under shock and vibration; Application: on-aircraft, ground support, and rugged automation. Feature: Cadmium plating on an aluminium shell delivers corrosion resistance for long-life operation in harsh environments; Business Impact: extends service intervals and lowers maintenance costs; Application: harsh-environment facilities and outdoor installations. Feature: Square flange receptacle with adaptor backshell and delivered connector option simplifies mounting and installation; Business Impact: reduces prep work and mismatches during assembly; Application: modular harness builds and retrofit projects. Feature: Operating temperature range -40 °C to 125 °C ensures operability across extreme climates; Business Impact: broadens applicability and reduces spare part variety; Application: aerospace, automotive, and industrial environments. Feature: 41 loaded solder cup contacts accommodate reliable, soldered connections; Business Impact: lowers signal loss and improves long-term stability; Application: high-reliability power and signal distribution in mixed-signal harnesses. Feature: Overall design supports easy field replacement and scalability for multi-connector systems; Business Impact: lowers lifecycle costs and accelerates upgrades; Application: growing automation lines and modular systems.
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FAQs
Use the 1/3 bayonet coupling to secure the straight backshell adaptor, align the Y orientation, and mate with the compatible square flange receptacle. The 53 mm length and 41-contact layout ensure a precise fit, while the delivered connector option reduces additional assembly steps. Verify contact delivery is loaded before final engagement.
The connector operates from -40 °C to 125 °C, suitable for extreme ambient conditions in aerospace and heavy industry. It employs 41 solder cup contacts with pin male terminals, loaded delivery, and a 1/3 bayonet lock for reliable mating under vibration and thermal cycling.
Yes. The 85100AC2041PY50 is designed for aerospace harnesses and rugged industrial automation, featuring MIL-DTL-26482 SI qualification, REACH compliance, and a robust aluminium shell with cadmium plating. Its high-density 41-contact configuration supports complex signal and power integration while maintaining secure locking and alignment with standard Souriau 851 interfaces.
Key standards include MIL-DTL-26482 SI qualification for military-style interconnects and REACH environmental compliance. Cadmium plating provides corrosion resistance in challenging environments, and the design aligns with Souriau 851 series interfaces to ensure interoperability across multiple assemblies and suppliers.
High-density 41-contact interfaces reduce panel count and wiring complexity, cutting assembly time and spare-part needs. The aluminium shell with cadmium plating enhances durability under vibration and corrosion, while bayonet coupling minimizes downtime during mating. Overall, the solution lowers lifecycle costs and improves field reliability for long-duration programs.