WTB70SAD9SY-B82

Overview

The WTB70SAD9SY-B82 is a rectangular MIL-DTL-55302 series board mount receptacle manufactured by Molex / AirBorn. It features 70 positions arranged in a dual-row configuration with a 2.54 mm pitch. The component utilizes through-hole termination for socket contacts and includes mounting ears for secure installation. Constructed with a Polyphenylene Sulfide (PPS) body and gold-plated copper alloy contacts, it supports a current rating of 5 A and a voltage rating of 1 kV. The unit operates within a temperature range of -65 C to +125 C and maintains an insulation resistance of 5 GOhms.

Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged environmental performance
• Incorporates guide sets and mounting ears to ensure precise alignment and mechanical stability during mating
• Features gold-plated copper alloy socket contacts to provide reliable signal transmission and corrosion resistance

Applications

• Avionics systems requiring high-density interconnects
• Military communication equipment housing
• Ruggedized electronic control modules

Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm physical dimensions and contact configurations. Ensure compatibility with corresponding plug counterparts such as the WTA series. Confirm RoHS compliance status and material declarations prior to final procurement approval.

Selection Notes

Select this component when a straight-mount receptacle with 70 circuits is required for PCB integration. The 2.54 mm pitch suits standard board layouts. Verify that the through-hole soldering process aligns with assembly capabilities and that the PPS material properties meet thermal requirements.

Part Context

This part belongs to the AirBorn W Series, designed for high-reliability applications. It serves as a counterpart to mating plugs like the WTB70PR9SY. The series emphasizes durability in harsh environments, utilizing robust materials and strict manufacturing tolerances defined by military standards.

Replacement Considerations

Equivalent parts include M55302/58-A70X. Verify pinout orientation and mechanical footprint compatibility before substitution.