Eaton 85100AC2025PZ50 Square Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2025PZ50
Quick Summary
Eaton 85100AC2025PZ50 Square Receptacle provides MIL-DTL-26482 SI qualified interconnection for rugged aerospace and defense assemblies. Engineers often struggle with reliable mating, corrosion resistance, and tight installation envelopes in harsh environments. MIL-DTL-26482 SI qualification, REACH compliance, and robust environmental compatibility help maintain performance across aircraft interiors, ground vehicles, and industrial equipment. With an aluminium shell, cadmium plating, and a 1/3 bayonet coupling, it delivers longevity, ease of installation, and reduced maintenance cost. This configuration supports compatibility with standard 851 series equipment and common panel cutouts.
Product Information
Extended Description
85100AC2025PZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Z; 85100AC2025PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2025PZ50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
49.1 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
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 ensures traceable reliability in demanding environments, translating into lower field failures and more predictable maintenance schedules for airborne, ground-based, and industrial systems. The Eaton Souriau 851 series square flange receptacle delivers a sealed, high-density mating interface with a straight adaptor backshell, simplifying panel integration while maintaining robust EMI shielding and mechanical retention in tight spaces. This configuration also supports compatibility with standard 851 series equipment and common panel cutouts. Cadmium plating on an aluminium shell provides a strong balance of corrosion resistance and light weight, essential for mobile platforms and coastal installations. With a shell size of 20 and a 53 mm length, the 85100AC2025PZ50 supports compact installations without compromising contact integrity. The 25-contact layout (25 cavities) enables efficient power and signal routing in dense equipment bays, while cadmium finish reduces insertion friction during mating. Electrical features include loaded solder cup contacts with male pin gender, a 1/3 bayonet coupling for fast, vibration-resistant mating, and a Z-oriented connector orientation that accommodates common harness routing. Delivered with connector accessories ensures compatibility with the intended mating hardware, reducing procurement risk and installation rework in the field. The positive-lock feel of the bayonet coupling supports reliable connections in high-vibration environments. Operating temperatures from -40 °C to 125 °C cover extreme aerospace and industrial environments, while the 53 mm length and 36.9 mm width/height footprint enable compact installations in equipment bays. The straight backshell and adaptor configuration simplify routing and shielding for harnesses, and the 25-cavity layout supports multi-conductor interconnects without bulky assemblies. Practical value arises from improved uptime, simpler maintenance, and regulatory compliance delivered by a MIL-grade, corrosion-resistant connector designed for harsh conditions and long service life. The 85100 series supports traceability, robust field performance, and predictable procurement for aerospace, defense, and industrial programs—making it a strong choice when reliability and ease of integration matter.
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FAQs
The 85100AC2025PZ50 uses a straight adaptor backshell with a Z orientation and a 1/3 bayonet coupling, delivering a compact, vibration-resistant mating interface. It is a square flange receptacle designed for 25-pin configurations and is delivered with the connector and mating hardware for straightforward installation.
This connector operates from -40 °C to 125 °C and uses cadmium plating on an aluminium shell for corrosion resistance. It is REACH compliant, ensuring regulatory alignment for aerospace, defense, and industrial applications.
Yes. It is MIL-DTL-26482 SI qualified, a standard widely adopted in aerospace and defense for high-reliability interconnections. The 25-pin, solder-cup contacts, and rugged aluminium/cadmium construction make it suitable for harsh service conditions.
Plan for a 53 mm length, 36.9 mm width/height footprint, square flange receptacle geometry, and a straight backshell with an adaptor. The 25-contact layout supports dense wiring, and the 1/3 bayonet coupling speeds mating while maintaining secure connections in high-vibration environments.
The product's MIL-grade qualification, corrosion resistance, long service life, and predictable procurement reduce downtime and maintenance costs. Its compatibility with standard 851 series equipment and documented specifications support faster qualification cycles and regulatory compliance for aerospace, defense, and industrial programs.