WTB54PR9SY-3

Headers, Male Pins Overview

The WTB54PR9SY-3 is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It functions as a plug with pin contacts, designed for board mount installation in a right-angle configuration. The component features 54 positions arranged in two rows with a 2.54 mm pitch. Electrical ratings include a current capacity of 5 A and a voltage rating of 1 kV. Construction utilizes copper alloy contacts with gold plating and a polyphenylene sulfide (PPS) shell. Termination is achieved via through-hole mounting. Operating temperature ranges from -65 C to +125 C, with an insulation resistance of 5 GOhms.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Utilizes gold-plated copper alloy contacts for corrosion resistance
• Features a polyphenylene sulfide housing for thermal stability

Headers, Male Pins Applications

• Aerospace electronic systems
• Defense communication equipment
• High-reliability industrial control boards

Headers, Male Pins Procurement Notes

Verify the specific suffix against official datasheets to confirm exact contact count and termination style. Ensure compatibility with mating receptacles within the same series. Confirm RoHS compliance status directly with the manufacturer documentation prior to integration into regulated assemblies.

Headers, Male Pins Selection Notes

Select this part for applications requiring high-density interconnects in constrained spaces. The right-angle design facilitates compact PCB layouts. Verify that the 5 A current rating and 1 kV voltage limits meet circuit requirements. Ensure the through-hole process aligns with manufacturing capabilities.

Headers, Male Pins Part Context

This component belongs to the AirBorn W Series, which provides high-performance interconnect solutions. AirBorn was acquired by Molex in 2024, integrating its specialized connector technologies into the broader Molex portfolio. The series is known for meeting demanding aerospace and defense standards.

Headers, Male Pins Replacement Considerations

M55302/57B54X is a documented alternate designation for similar configurations. Verify cross-compatibility with existing mating hardware before substitution.