Eaton 85100E2027SW50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2027SW50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified connectors provide rugged, high-reliability receptacles for military-aerospace and industrial applications. Engineers often struggle with mating reliability under vibration, challenging environments, and corrosion risk, especially in cadmium-plated assemblies. This solution meets MIL-DTL-26482 SI qualification and REACH-compliant materials while using a durable aluminum shell to deliver long service life. The 85100E2027SW50 supports a 27-position layout, backnut mounting, straight backshell, and W orientation, enabling straightforward installation and predictable performance in harsh environments for industrial automation and defense equipment.
Product Information
Extended Description
85100E2027SW50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos W; 85100E2027SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2027SW50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
45.4 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
W
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 and square flange receptacle design with backnut → Business Impact Delivers a rugged, vibration-resistant connection that maintains electrical integrity in extreme conditions, reducing maintenance and downtime in critical equipment. Application Suitable for aerospace ground support, rugged industrial machinery, and defense systems where secure, space-efficient panel mounting is essential. Feature 27-position layout with 27 cavities and 1/3 bayonet coupling → Business Impact Enables high-density wiring with secure, fast mating, improving assembly efficiency and reducing field rework. Application Ideal for complex harnesses in compact panel spaces found in automation panels and aircraft ground equipment. Feature Socket (Female) Solder Cup contacts → Business Impact Provides reliable, soldered terminations with strong retention and low contact resistance, lowering failure rates in harsh environments. Application Common in avionics bays and industrial controls where soldered connections are preferred for long-term reliability. Feature Aluminum shell, Cadmium plating → Business Impact Achieves a lightweight yet durable enclosure with corrosion protection, extending service life in outdoor and high-humidity settings. Application Aerospace hardware and exposed industrial equipment. Feature Backnut, Straight backshell, W orientation, Delivered with connector → Business Impact Simplifies installation, reduces hardware handling, and ensures consistent field orientation, speeding assembly and service. Application Panel-mounted assemblies in tight quarters and equipment bays. Feature Operating temperature range -40 °C to 125 °C → Business Impact Ensures dependable performance across extreme environments, avoiding field failures and costly replacements. Application Outdoor, engine compartments, and other temperature-variant deployments. Feature 27 contacts, 3 Bayonet-like coupling family alignment → Business Impact Supports robust signal integrity and resistance to vibration, aiding in high-reliability control loops. Application Military electronics and industrial automation with stringent reliability targets.
Get a Quick Quote for a Eaton 85100E2027SW50
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton 85100E2027SW50?
Enquire Now
FAQs
The 85100E2027SW50 is a square flange receptacle from the 851 series designed for MIL-DTL-26482 connections. It features 27 solder-cup female contacts, a 1/3 bayonet coupling, and a backnut for secure panel mounting. It mates with Souriau 851-series headers designed for MIL-DTL-26482 interfaces, ensuring reliable mating in vibration-prone applications.
Key specs include 27 positions with solder cup contacts, an aluminum shell size 20, cadmium plating, backnut backshell, W orientation, and a -40 °C to 125 °C operating temperature range. It is REACH compliant and designed for demanding environments, delivering consistent electrical performance and corrosion resistance.
Installation considerations include panel mounting via the square flange receptacle with backnut, ensuring correct panel cutout and alignment for the W orientation. The connector is delivered with the connector, supports straightforward mating with Souriau 851-series mates, and benefits from a compact footprint and modest weight (about 45.4 g) suitable for space-constrained installs.
This receptacle is MIL-DTL-26482 SI qualified and uses REACH-compliant materials with cadmium plating. These standards support high-reliability military and aerospace applications while meeting environmental regulations, helping procurement teams justify selection for compliant programs.
Best-suited for aerospace ground support equipment, rugged industrial automation, and defense hardware where high contact density and vibration resistance are required. The 27-position layout, 1/3 bayonet coupling, and lightweight aluminum shell enable reliable, fast-mating connections in harsh environments with strict regulatory and reliability requirements.