Eaton 85100E2025PY50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2025PY50
Quick Summary
The Eaton Souriau 85100E2025PY50 MIL-DTL-26482 SI qualified receptacle provides dependable, high-integrity connections for rugged harnesses in aerospace, defense, and heavy industry. Designers wrestle with mating reliability under vibration, moisture, and wide temperature swings, which can drive intermittent signals and costly downtime. This solution carries MIL-DTL-26482 SI qualification and REACH compliance, with a cadmium-plated aluminium shell and backnut, delivering durable performance in harsh environments. Its 25 solder-cup contacts and compact 34.5 mm length by 36.9 mm height fit into established Souriau 851 layouts, minimizing tooling and accelerating assembly for fielded systems.
Product Information
Extended Description
85100E2025PY50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos Y; 85100E2025PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2025PY50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
41.2 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
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
25
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
25
Number of cavity #20
25
MIL-DTL-26482 SI qualification provides rugged mating under vibration and thermal cycling. Business impact: improves reliability, reduces field failures and warranty costs. Application: aerospace, defense, and rugged industrial harnesses. Cadmium plating on an aluminium shell delivers corrosion resistance and long service life in moisture-heavy environments. Business impact: extends component life and lowers replacement frequency. Application: maritime, coastal facilities, and outdoor installations. 1/3 bayonet coupling enables quick, confident mating with positive retention. Business impact: lowers assembly time and equipment downtime during service intervals. Application: factory automation, field service, and assembly lines. 25 solder cup contacts provide straightforward termination for harnesses and PCBs. Business impact: simplifies wiring and reduces assembly errors. Application: 25-way harness blocks, backplane connections, and rugged interconnects. Backnut backshell design and the option to deliver with connector streamline installation and retrofit projects. Business impact: reduces parts diversity and accelerates deployment in new or expanding systems. Application: retrofits, spares provisioning, and modular equipment.
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FAQs
The 85100E2025PY50 uses a 1/3 bayonet coupling with a square flange receptacle and backnut. It ships delivered with the connector and employs 25 solder-cup male contacts for direct terminations, enabling straightforward, tool-efficient installation and a secure fit in demanding environments.
It operates from -40 °C to 125 °C. The shell is aluminium with cadmium plating, providing robust corrosion resistance for outdoor, maritime, and exposed industrial applications.
Yes. The 85100E2025PY50 is MIL-DTL-26482 SI qualified for rugged, aerospace-grade performance, and its materials comply with REACH requirements, supporting regulatory and sustainability goals in your supply chain.
Absolutely. With 25 contacts, a compact aluminium shell, and a backnut backshield, the 85100E2025PY50 is designed for high-reliability harness connections in aerospace, defense, and harsh industrial environments.
The backnut and straight backshell simplify mounting, while the delivered-with option reduces sourcing steps. Its 25-contact layout and solder-cup terminations minimize wiring errors and maintenance downtime in field retrofits or new builds.