WTB70SAD9SY-B82-3

Overview

The WTB70SAD9SY-B82-3 is a rectangular MIL-DTL-55302 receptacle from the AirBorn W Series. It features 70 positions in a dual-row configuration with a 2.54 mm pitch. The component utilizes gold-plated copper alloy socket contacts and a Polyphenylene Sulfide (PPS) body. Designed for vertical through-hole board mounting, it operates within a temperature range of -65°C to +125°C. Electrical ratings include 5 A current and 1 kV voltage, with an insulation resistance of 5 GOhms.

Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged reliability
• Features a sealed termination face against conformal coating via B82 suffix
• Utilizes gold-plated copper alloy female contacts for signal integrity

Applications

• Military avionics systems requiring high-density interconnects
• Ruggedized electronic enclosures subject to harsh environments
• Defense communication equipment needing conformal coating compatibility

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm functional attributes. Confirm that the B82 designation correctly indicates the termination face sealing requirement for your application. Ensure the part number matches the exact contact type and row configuration required for your design integration.

Selection Notes

Select this component when a high-density 70-position MIL-Spec receptacle is required. Verify that the through-hole termination style aligns with your PCB manufacturing capabilities. Consider the operating temperature range and material compatibility if the assembly undergoes conformal coating processes.

Part Context

This connector belongs to the AirBorn W Series, designed for demanding applications. It serves as a board-mount receptacle providing robust electrical connections. The series is characterized by its compliance with stringent military standards and durable construction materials suitable for long-term deployment.

Replacement Considerations

M55302/58-A70X is a documented equivalent part number for this component family.