WTA40SACJ

Overview

The WTA40SACJ is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It is a straight receptacle with 40 positions arranged in two rows. The component features gold-plated copper alloy socket contacts and a Polyphenylene Sulfide (PPS) shell. Designed for board mounting via solder cup termination, it supports 22 AWG wire. Electrical ratings include a 5 A current capacity and 1 kV voltage rating, with an insulation resistance of 5 GOhms. Operating temperatures range from -65 C to +125 C.

Feature Summary

• Compliant with MIL-DTL-55302 military specifications for high-reliability interconnects
• Utilizes gold-plated copper alloy contacts for durable signal transmission
• Constructed with Polyphenylene Sulfide housing for thermal stability

Applications

• Military avionics systems requiring ruggedized interconnects
• Ground-based defense electronics assemblies
• Aerospace instrumentation panels

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Molex or authorized distributors before procurement. Confirm that the solder cup termination method aligns with your assembly process capabilities. Ensure environmental sealing requirements are met if operating outside standard conditions. Cross-reference the MIL-DTL-55302 designation to guarantee specification adherence for critical applications.

Selection Notes

Select this model when a 40-position straight receptacle is required for board-level integration. The solder cup termination suits automated or manual wave/solder processes. Verify compatibility with corresponding WTA series plugs. Consider the PPS material properties for thermal management needs within the specified temperature range.

Part Context

This part belongs to the AirBorn W Series, a family of rectangular connectors designed for mission-critical environments. The series offers various contact counts and configurations, all adhering to strict military standards. The WTA40SACJ specifically provides a robust solution for high-density connections in demanding operational scenarios.

Replacement Considerations

The part number alias M55302/58-A40H may serve as a functional equivalent. Verify mechanical dimensions and electrical characteristics against original specifications before substitution.