Eaton 85100A2027PY50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100A2027PY50
Quick Summary
The Eaton 85100A2027PY50 is a MIL-DTL-26482 SI-qualified receptacle for rugged industrial and aerospace use. Engineers often face challenges with reliable mating, corrosion resistance, and fast, error-free field installation under harsh environments. This solution combines MIL-DTL-26482 SI qualification, cadmium plating, and a rugged aluminum shell to deliver dependable performance in temperature extremes. With 27 contacts in a compact 44 mm length and a straight backshell, it supports clean panel layouts and faster assembly. That translates to increased uptime, lower maintenance, and a compelling total cost of ownership for automation, aerospace, and defense programs.
Product Information
Extended Description
85100A2027PY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Y; 85100A2027PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2027PY50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
41.5 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
27
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
27
Number of cavity #20
27
The 27-position cavity uses male solder cup contacts, delivering compact, high-density connections that preserve signal integrity in crowded panels. This reduces connector footprint and wiring complexity, translating to faster assembly and lower panel manufacturing costs. Ideal for automation cabinets, aerospace harnesses, and defense equipment where space and reliability matter. The 1/3 bayonet coupling with a straight backshell simplifies mating, improves vibration resistance, and shortens installation time in field environments. Aluminium shell with cadmium plating provides ruggedness and corrosion resistance across extreme temperatures, enabling reliable operation in outdoor enclosures and harsh factories. Delivered with connector and orientation Y ensures straightforward integration with Souriau 851 series mating parts, reducing custom harnessing time. The overall compact footprint (44 mm depth, 36.9 mm width/height) supports dense panel designs and streamlined serviceability.
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FAQs
Key specs include 27 contacts with male solder cup terminals, cadmium-plated aluminum shell, square flange receptacle with straight backshell, 1/3 bayonet coupling, 44 mm depth, 36.9 mm width and height, operating range -40 °C to 125 °C, orientation Y, and 27 cavities. Also delivered with connector and RoHS/REACH-compliant materials.
Yes. It is qualified to MIL-DTL-26482 SI standards and rated for operation from -40 °C to 125 °C, with a cadmium-plated aluminum shell that withstands vibration and environmental exposure common in aerospace, defense, and industrial environments.
It features a square flange receptacle design with an adaptor backshell, straight back, and a Y orientation for mating alignment. The 1/3 bayonet coupling provides secure, quick mating with corresponding Souriau 851 series connectors, simplifying panel installation and serviceability.
Ensure mating with compatible Souriau 851 series connectors, confirm cadmium plating and aluminum shell meet your environmental and corrosion requirements, verify the 27-contact layout matches your harness, and validate operating temperature and vibration specs for the target application.
The delivered-with-connector option and straightforward Y-oriented mating reduce assembly time and wiring errors. The rugged aluminum shell, wide temperature range, and SI qualification minimize field maintenance and downtime, delivering lower lifecycle costs in automation, aerospace, and defense programs.