WTB66PR9J

Headers, Male Pins Overview

The WTB66PR9J is a rectangular MIL-spec connector plug from the AirBorn W Series, manufactured by Molex. It features 66 positions arranged in two rows with male pin contacts. Designed for board mount installation, it utilizes through-hole termination and right-angle orientation. The connector operates within a temperature range of -65°C to +125°C and supports a current rating of 5 A at 1 kV. Constructed with copper alloy pins featuring gold plating and a polyphenylene sulfide (PPS) housing, it offers an insulation resistance of 5 GOhms. The unit weighs 14.305 g and adheres to MIL-DTL-55302 standards.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged reliability
• Utilizes proven flight-heritage technology validated in space shuttle and Mars Rover programs
• Features gold-plated copper alloy contacts for stable signal transmission
• Constructed with high-performance polyphenylene sulfide housing material

Headers, Male Pins Applications

• Aerospace systems including space shuttle and Mars Rover platforms
• Military electronic interconnect applications
• Aviation instrumentation and control circuits
• Industrial equipment requiring high-reliability board-to-board connections

Headers, Male Pins Procurement Notes

Verify the specific manufacturer part number against official Molex/AirBorn documentation to ensure compliance with MIL-DTL-55302 standards. Confirm that the right-angle through-hole mounting configuration matches the target PCB layout requirements. Check for any RoHS compliance details or environmental certifications required for the specific deployment environment before finalizing procurement orders.

Headers, Male Pins Selection Notes

Select this component when a high-density 66-position connection is required in a constrained space. The right-angle design facilitates efficient board stacking or side-entry wiring configurations. Ensure the application environment remains within the specified -65°C to +125°C operational range. Verify that the 5 A current rating and 1 kV voltage withstand capability meet the circuit demands without derating concerns.

Headers, Male Pins Part Context

This part belongs to the AirBorn W Series, known for its .100 inch (2.54 mm) pitch rectangular connectors. The series is widely recognized for its durability in harsh environments, having been utilized in critical missions such as the Space Shuttle and Mars Rover programs. It represents a standard solution for high-reliability interconnects in defense and aerospace sectors.

Headers, Male Pins Replacement Considerations

The part number alias M55302/61B20 indicates direct cross-reference compatibility with MIL-DTL-55302 specifications. When substituting, verify that the replacement unit maintains identical pin count, row configuration, and mounting style to ensure mechanical and electrical interchangeability.