Eaton 85100A2221PZ50 Receptacle - MIL-DTL-26482 SI Qualified

Part Number: 85100A2221PZ50
Manufacturer
Eaton
Part number
85100A2221PZ50

Quick Summary

Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle provides rugged interconnections for aerospace and industrial equipment. Design engineers often struggle with space constraints, environmental exposure, and the need for reliable mating in harsh conditions. Two critical certifications underpin confidence: MIL-DTL-26482 SI qualification for MIL-spec compatibility, and REACH compliance for safer, more sustainable operation. Compact, lightweight form factor and proven compatibility with 851-series backshells help reduce assembly time and total cost of ownership.

Product Information

Extended Description

85100A2221PZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Z; 85100A2221PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2221PZ50
Product Length/Depth
44 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
51 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
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: MIL-DTL-26482 SI qualification ensures MIL-spec compatibility and improved reliability in demanding environments. Business Impact: This reduces field failures, supports compliance-driven programs, and lowers risk during certification. Application: Ideal for aerospace, defense, and rugged industrial equipment where MIL-grade interconnects are required. Feature: Square flange receptacle with straight adaptor and 21 cavities delivers a compact, panel-mount solution. Business Impact: Saves space on crowded panels and simplifies installation, accelerating time-to-deploy. Application: Space-constrained avionics bays and control panels in harsh environments.Feature: Aluminium shell with cadmium plating provides corrosion resistance and mechanical ruggedness. Business Impact: Extends service life in challenging settings and reduces maintenance frequency. Application: Outdoor or high-vibration installations common in heavy industry and transport.Feature: 1/3 bayonet coupling plus Z orientation and solder cup contacts. Business Impact: Quick, secure mating with reliable electrical performance, lowering rework and downtime. Application: Large assemblies requiring robust, fast crew-friendly connections.Feature: Operating temperature range from -40 °C to 125 °C enables broad deployment. Business Impact: Ensures electrical performance across extreme conditions, improving field readiness. Application: Aerospace, defense electronics, and industrial machinery operating in variable climates.Feature: Delivered with connector option and 21-contact layout in a 44 × 40 × 40 mm package. Business Impact: Streamlines procurement and reduces integration risk with off-the-shelf compatibility. Application: Panel assemblies and multi-circuit interconnects in compact housings.

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FAQs

To install, align the receptacle with the panel cutout, insert the flat mating interface, and engage the 1/3 bayonet coupling while ensuring the Z orientation. The connector is designed for compatibility with Eaton Souriau 851-series backshells and comes delivered with connector accessories for a streamlined assembly. Ensure proper chassis sealing and panel torque specs to maximize vibration resistance.
Key specs include 21 solder cup contacts in a 21-cavity layout, cadmium plating on an aluminium shell, and a temperature range of -40 °C to 125 °C. It is REACH compliant and MIL-DTL-26482 SI qualified, with straight backshell and 1/3 bayonet coupling to ensure reliable mating in harsh environments.
Yes. The 85100A2221PZ50 is MIL-DTL-26482 SI qualified, which means it meets stringent MIL-spec performance criteria. Its 21-contact configuration, robust aluminium shell, and secure bayonet coupling are well-suited for aerospace avionics, defense systems, and other high-reliability applications requiring rugged interconnections.
The device carries MIL-DTL-26482 SI qualification for MIL-spec performance and REACH compliance for safer environmental operation. These certifications support regulatory alignment in defense, aerospace, and European markets, reducing risk during audits and contract reviews while enabling broader deployment.
Regular mating checks, clean interfaces, and proper sealing practices maintain signal integrity and reduce contact resistance. The 85100A2221PZ50’s rugged aluminium shell and cadmium finish improve corrosion resistance, lowering replacement frequency. Its quick 1/3 bayonet coupling and delivered-with-connector option shorten assembly time, delivering tangible uptime and lifecycle cost benefits.