Eaton 85100E2221PZ50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2221PZ50
Quick Summary
The Eaton 85100E2221PZ50 Receptacle delivers reliable MIL-DTL-26482 connectivity for rugged harness assemblies. Engineers often confront mating mismatches, backnut fit issues, and corrosion risk in hostile environments. This receptacle carries MIL-DTL-26482 SI qualification and REACH compliance, supporting aerospace and industrial programs. Coupled with a cadmium finish, backnut, and 21 solder-cup contacts, it enables reliable, quick-field assembly and long service life. Its square flange receptacle design with straight backshell supports robust panel mounting and consistent alignment in tight spaces. The 34.5 mm length, 40 mm height and 21-position layout balance compactness with high-contact density for solutions like motors, drives, and control panels.
Product Information
Extended Description
85100E2221PZ50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos Z; 85100E2221PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2221PZ50
Product Length/Depth
34.5 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
53 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
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
21
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
21
Number of cavity #16
21
Feature → Business Impact → Application: The 21 solder-cup male contacts deliver dense connectivity with minimal footprint, enabling high channel density in compact panels, reducing harness complexity and weight. This improves reliability in vibration-prone equipment and supports faster assembly in aerospace and industrial automation harnesses. Feature → Backnut and square flange receptacle construction provide secure mounting and straightforward field maintenance, which reduces rework time and installation costs while meeting stringent panel-fit tolerances. Feature → 1/3 bayonet coupling offers quick, vibration-resistant mating, cutting downtime during maintenance and swap-outs in heavy-use machinery. Feature → Cadmium plating delivers enhanced corrosion protection in aggressive environments, extending service life and lowering lifecycle costs for mission-critical applications. Feature → Aluminium shell and 22-shell size enable a strong yet lightweight enclosure that integrates smoothly with existing Souriau 851 series components, improving overall system reliability. Feature → Operating range from -40 °C to 125 °C and REACH MIL-DTL-26482 SI qualification ensure compliance and performance across diverse climates and regulatory domains, reducing risk when procuring connectors for aerospace and industrial equipment.
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FAQs
To install the Eaton 85100E2221PZ50, align the square flange receptacle with the panel cutout, secure it using the backnut, and connect the 21 solder cup pins in the designated layout. The Z-oriented connector and 1/3 bayonet coupling provide quick, vibration-resistant mating, while the delivered connector option ensures immediate compatibility with your harness assembly.
This receptacle supports an operating temperature range from -40 °C to 125 °C. It features 21 solder cup male contacts arranged in a 21-position layout, suitable for high-density connections in control panels and drive systems, with cadmium plating for corrosion resistance.
Yes. The part is MIL-DTL-26482 SI qualified and REACH compliant, designed for aerospace and rugged industrial applications. With a square flange receptacle, backnut, and cadmium plating, it tolerates vibration, temperature extremes, and exposure to environmental contaminants common in fielded equipment.
Key certifications include MIL-DTL-26482 SI qualification and REACH compliance. These standards support traceability, environmental responsibility, and regulatory alignment for aerospace and industrial programs, helping procurement teams maintain compliant sourcing across multiple projects.
The combination of cadmium plating, robust backnut mounting, and 1/3 bayonet coupling reduces maintenance downtime and wear, delivering longer service life in hostile environments. Coupled with 21-contact density and aluminium shell, it minimizes field servicing while maintaining reliable electrical performance across lifecycle stages.