WTA70SAD9J

Overview

The WTA70SAD9J is a rectangular MIL-Spec receptacle from the AirBorn W Series, manufactured by Molex / AirBorn. It features 70 positions in a 2-row configuration with a 2.54 mm pitch. Designed for board mount installation, it utilizes through-hole termination and gold-plated copper alloy sockets. The connector supports a current rating of 5 A and a voltage rating of 1 kV, with an insulation resistance of 5 GOhms. Operating within a temperature range of -65 C to +125 C, it employs Polyphenylene Sulfide (PPS) housing and complies with MIL-DTL-55302 standards.

Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Utilizes gold-plated copper alloy contacts for enhanced conductivity
• Constructed with Polyphenylene Sulfide housing for thermal stability

Applications

• Military avionics systems
• Ruggedized electronic enclosures
• Defense communication equipment

Procurement Notes

Verify the specific manufacturer part number against official Molex / AirBorn documentation to ensure compliance with MIL-DTL-55302 standards. Confirm that the ordering suffix matches the required contact plating and housing material specifications. Cross-reference technical drawings for mounting dimensions and pinout configurations prior to integration into circuit designs.

Selection Notes

Select this component when a high-density 70-position interconnect is required for board-mounted applications. Ensure the design accommodates the straight orientation and through-hole soldering process. Verify that the 2.54 mm pitch aligns with the PCB layout requirements and that the environmental ratings meet the operational temperature extremes of the target system.

Part Context

This receptacle belongs to the AirBorn W Series, a line of rectangular connectors designed for demanding environments. The series offers various position counts and termination styles, all adhering to strict military performance criteria. The WTA70SAD9J specifically addresses needs for robust signal transmission in compact form factors.

Replacement Considerations

Equivalent parts may include M55302/58-B70F or other MIL-DTL-55302 compliant connectors with matching 70-position, 2-row specifications. Verify mechanical fit and electrical characteristics before substitution.