WTA40SAD9J

Overview

The WTA40SAD9J is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It is a straight receptacle designed for board mount applications with 40 positions arranged in two rows. The component features through-hole termination and gold-plated copper alloy socket contacts. Constructed with a Polyphenylene Sulfide (PPS) shell, it supports a 2.54 mm pitch and 22 AWG wire gauge. Electrical ratings include a current capacity of 5 A and voltage rating of 1 kV, with an insulation resistance of 5 GOhms. The operating temperature range spans from -65 C to +125 C.

Feature Summary

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

Applications

• Military avionics systems
• Ruggedized electronic equipment
• Board-to-board interconnection

Procurement Notes

Verify the specific manufacturer part number against official Molex / AirBorn documentation to ensure compliance with MIL-DTL-55302 standards. Confirm that the 40-position configuration matches the design requirements. Check RoHS certification details as indicated in the product specifications. Ensure compatibility with mating plugs within the W Series family before procurement.

Selection Notes

Select this component when a 40-contact straight receptacle is required for board mounting. Verify that the 2.54 mm pitch and 5 A current rating align with the circuit design. Ensure the -65 C to +125 C temperature range meets environmental conditions. Confirm that the through-hole termination method is suitable for the PCB manufacturing process.

Part Context

This connector belongs to the AirBorn W Series, which provides various contact counts ranging from 10 to 70 positions. The series offers both plug and receptacle configurations with interchangeable pin or socket contacts. The WTA suffix denotes a straight receptacle without mounting ears, ensuring flexibility in mechanical integration for specialized military and industrial applications.

Replacement Considerations

The part number alias M55302/58-B40F serves as a confirmed substitute identifier. Verify dimensional and electrical equivalence with the original specification before substitution.