Eaton 85100AC2027SZ50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2027SZ50
Quick Summary
Eaton 85100AC2027SZ50 is a MIL-DTL-26482 SI qualified receptacle for rugged aerospace and military connections. Engineers often wrestle with reliable mating, corrosion resistance, and regulatory compliance in tight, high-vibration assemblies. Key certifications and standards include MIL-DTL-26482 SI qualification and REACH compliance, supporting both performance and environmental responsibility. The square flange receptacle, cadmium plating, and aluminium shell deliver durable, lightweight assemblies while enabling fast, dependable field service. This solution integrates with Souriau 851 series ecosystems, delivering robust connectivity for avionics, defense, and rugged industrial applications. By leveraging 27 solder-cap contacts and a straight backshell with Z orientation, it supports compact layouts and straightforward installation.
Product Information
Extended Description
85100AC2027SZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos Z; 85100AC2027SZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2027SZ50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
53.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Z
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
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
Feature MIL-DTL-26482 SI qualification → Business Impact Ensures mission-critical reliability in aerospace and defense environments, reducing unplanned downtime; Application Aerospace harnesses, avionics, and rugged equipment. Feature 27 contacts (27 cavities) → Business Impact Enables high-density signal and power routing in a single connector, decreasing harness complexity and panel space; Application Aircraft and military systems requiring dense I/O. Feature 1/3 bayonet coupling → Business Impact Fast, secure mating with reduced maintenance time; Application Fielded platforms and systems operating in vibration environments. Feature Cadmium plating on Aluminium shell → Business Impact Provides corrosion resistance and weight optimization for challenging environments; Application Marine, aircraft, and defense assemblies with extended service life. Feature Straight backshell orientation (Z) and delivered with connector → Business Impact Simplifies installation and alignment, improving first-pass success; Application New builds and upgrades in tight spaces. Feature Solder Cup contact delivery → Business Impact Reliable, robust solder joints that withstand thermal cycling; Application Assembly lines and field termination in harsh conditions. Feature Operating temperature -40 °C to 125 °C → Business Impact Wide thermal tolerance supports operation across extreme climates; Application Airframe and ground equipment in hot/cold environments.
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FAQs
The 85100AC2027SZ50 is a square flange receptacle designed for panel or chassis integration with a straight backshell. It supports a Z orientation and a 1/3 bayonet coupling for fast mating, while being delivered pre-terminated with solder-cap contacts. This enables straightforward mounting, alignment, and robust field terminations in aircraft and defense assemblies.
MIL-DTL-26482 SI qualification ensures the connector meets stringent military and aerospace performance criteria, including mechanical robustness, environmental resistance, and reliable mating under vibration. This reduces risk in mission-critical applications and supports compliance in regulated programs.
Yes. With 27 contacts in a single receptacle and a 27-cavity layout, it provides high-density I/O, reducing harness length and panel footprint while maintaining signal integrity and reliable solder connections in demanding environments.
The connector is rated for -40 °C minimum to 125 °C maximum operating temperatures, enabling reliable performance across extreme environmental conditions encountered in aerospace, defense, and rugged industrial applications.
The 85100AC2027SZ50 complies with REACH environmental regulations and uses cadmium plating. When planning a build, verify cadmium plating suitability for your regulatory context and review any supplier-specific RoHS or additional component requirements for your program.