M55302/63B66S

Headers, Male Pins Overview

The M55302/63B66S is a rectangular MIL-DTL-55302 connector from the AirBorn W Series, manufactured by Molex. It features 66 positions arranged in two rows with a 2.54 mm pitch. The component utilizes gold-plated copper alloy pin contacts and a polyphenylene sulfide (PPS) housing. Designed for through-hole termination, it offers right-angle mounting via a mounting flange. Electrical specifications include a 1.5 A current rating and 5 GOhms insulation resistance, operating within a temperature range of -65 C to +125 C.

Headers, Male Pins Feature Summary

• Complies with MIL-DTL-55302 military specifications for high-reliability applications
• Utilizes gold-plated contacts on copper alloy substrates for corrosion resistance
• Constructed with polyphenylene sulfide housing for thermal stability
• Supports right-angle PCB mounting via integrated mounting flange

Headers, Male Pins Applications

• Military avionics systems requiring rugged interconnects
• Ground-based defense communication equipment
• High-density electronic assemblies in harsh environments

Headers, Male Pins Procurement Notes

Verify the specific manufacturer lot traceability and RoHS compliance status directly with Molex or authorized distributors before procurement. Confirm that the part number suffix matches the exact contact configuration and termination style required for your assembly. Request official datasheets and material certificates to ensure adherence to MIL-DTL-55302 standards. Validate environmental testing records if the application involves extreme thermal cycling or vibration.

Headers, Male Pins Selection Notes

Select this component when a high-density, right-angle connection is required for MIL-Spec reliability. Ensure the board layout accommodates the mounting flange geometry for proper mechanical support. Verify that the 2.54 mm pitch aligns with the mating connector and PCB footprint requirements. Consider the 1.5 A current rating against the total load of all active pins to prevent overheating.

Headers, Male Pins Part Context

This part belongs to the AirBorn W Series, a family of rectangular connectors designed for demanding industrial and military use. The series is characterized by its robust construction and compliance with stringent military standards. The M55302 designation indicates adherence to the MIL-DTL-55302 specification, ensuring interchangeability and performance consistency across different manufacturers producing under this standard.

Headers, Male Pins Replacement Considerations

Compatible substitutes must strictly adhere to MIL-DTL-55302 specifications. Verify equivalent part numbers from other qualified manufacturers offering identical 66-position, 2-row configurations with matching 2.54 mm pitch and right-angle mounting flanges. Cross-reference contact plating and housing materials to ensure environmental compatibility.