Eaton 85100E2039SW50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100E2039SW50
Quick Summary
Eaton Souriau 85100E2039SW50 is a MIL-DTL-26482 SI qualified square flange receptacle designed for rugged automation and aerospace applications. Designers often struggle with secure mating, backnut retention, and corrosion-prone finishes in harsh environments. MIL-DTL-26482 SI qualification and REACH compliance support reliable performance and environmental responsibility, while cadmium plating on an aluminium shell ensures longevity in demanding conditions. The 39-contact, W-oriented configuration delivers high-density connectivity, enabling faster assemblies and improved supplier compatibility in aerospace, defense, and industrial automation projects.
Product Information
Extended Description
85100E2039SW50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos W; 85100E2039SW50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2039SW50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
50.1 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
39
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
39
Number of cavity #20
39
Feature: 39-contact layout in a square flange receptacle with straight backshell and backnut. Benefit: high contact density and secure, rugged mating in compact footprints, reducing panel space and installation time for complex systems. Application: control panels and avionics where space is at a premium and reliability matters for critical automation. Feature: Cadmium plating on an aluminium shell. Benefit: enhanced corrosion resistance and durability in harsh environments, lowering maintenance costs over the product life. Application: military, aerospace, and outdoor industrial deployments with exposure to moisture and contaminants. Feature: 1/3 Bayonet coupling and W orientation. Benefit: quick, vibration-resistant mating with straightforward alignment, minimizing field assembly errors. Application: field installations and assembly lines requiring reliable, repeatable connections. Feature: Solder Cup contact delivery and 39 contacts. Benefit: robust electrical performance and ease of termination for a wide range of signal and small power needs. Application: high-pin-count interconnects in automation networks and instrumentation. Feature: Delivered with connector, straight backside and backnut. Benefit: simplified procurement and faster installation from stock, reducing downtime. Application: turnkey installations and retrofit projects across aerospace and industrial facilities.
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FAQs
Install by aligning the backnut with the mating panel, using the 1/3 bayonet coupling for secure latching, and tightening the backnut to seat the aluminium shell. The W orientation aids correct connector alignment, while the solder cup contacts provide a reliable termination method for 39 circuits.
The part supports 39 contacts in a square flange receptacle with a 34.5 mm length, 36.9 mm width and height, and a 50.1 g weight. It uses cadmium plating on aluminium shell, operates from -40 °C to 125 °C, and employs 1/3 Bayonet coupling with solder cup contacts.
Yes. It is MIL-DTL-26482 SI qualified, REACH compliant, and built with an aluminium shell and cadmium plating for durability against corrosion and vibration, making it suitable for aerospace, defense, and harsh industrial automation applications.
The 1/3 Bayonet coupling provides secure mating under vibration, the backnut supports stable mounting, and the aluminium shell with cadmium plating offers robust environmental resistance. Its -40 to 125 °C operating range ensures performance across extreme conditions common in aerospace and industrial settings.
The connector is delivered with the connector option, supports the W orientation, straight backshell, and backnut, and features solder cup contacts for straightforward terminations. This setup reduces assembly steps and improves installation speed for retrofit and new builds.