Eaton 85100A2039SX50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A2039SX50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle provides rugged, 39‑cavity connectivity for aerospace and industrial systems. Engineers often face unreliable mating, corrosion risks, and downtime when connectors aren't built to handle harsh environments. MIL-DTL-26482 SI qualification and REACH compliance address critical industry standards, while cadmium plating and aluminium shell meet demanding service conditions. In practice, customers gain reliable mating and longer service life, while installation remains straightforward using the straight backplane adaptor and X‑oriented layout. Additionally, the 39-contact arrangement supports complex signal and power needs with solder cup termination, aiding board-level integration. This combination helps shorten supplier lead times and reduce assembly steps in high-mix environments.
Product Information
Extended Description
85100A2039SX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos X; 85100A2039SX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2039SX50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
49.7 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
X
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: MIL-DTL-26482 SI qualification and 39-contact square flange receptacle. Business Impact: delivers robust mating performance under vibration, temperature swings, and extended service life. Application: ideal for aerospace avionics, military ground support, and rugged industrial control panels. Feature: 1/3 Bayonet coupling with straight backshell adaptor. Business Impact: enables quick, tool-free mating and reliable retention even in tight spaces. Application: field installation and maintenance on aircraft interiors and factory automation frames. Feature: Cadmium plating on an aluminium shell with 39 solder cup contacts. Business Impact: provides corrosion resistance and lightweight construction while enabling secure terminations. Application: harsh environments, maritime equipment, and high-sweat industrial environments. Feature: Solder Cup contacts with socket (female) termination. Business Impact: simplifies PCB or harness termination for dense I/O configurations, reducing assembly time. Application: high-density control cabinets and distributed I/O systems. Feature: Operating temperature range of -40 °C to 125 °C and REACH compliance. Business Impact: supports broad environmental conditions and regulatory alignment, lowering risk of field failures. Application: aerospace, defense, and heavy industrial automation with extreme temperature exposure.
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FAQs
The 85100A2039SX50 is a square flange receptacle with aluminium shell size 20, designed for a straight backshell and 39-position layout. It uses a 1/3 bayonet coupling and is delivered with a connector, simplifying panel mounting and alignment in aerospace and industrial enclosures.
Key specs include 39 contacts with solder cup termination, cadmium plating, aluminium shell, and a 44 mm depth with 36.9 mm width and height. It supports a wide operating temperature range from -40 °C to 125 °C and is MIL-DTL-26482 SI qualified for stringent environments.
Yes. The 1/3 bayonet coupling, straight backshell, and robust MIL-DTL-26482 SI qualification provide secure mating under vibration, making it suitable for aerospace, defense, and heavy industrial equipment subject to movement.
The part is MIL-DTL-26482 SI qualified and REACH compliant, addressing critical aerospace and industrial regulatory requirements and enabling use in environments with stringent material and performance standards.
The adaptor-backed straight backshell, X orientation, and delivered-with-connector option streamline installation, reduce wiring errors, and shorten field maintenance cycles in high-mix production setups.