WTB50PR9SY-4

Overview

The WTB50PR9SY-4 is a rectangular MIL-DTL-55302 board mount plug connector from the AirBorn W Series. It features 50 positions arranged in two rows with male pin contacts made of copper alloy and gold plating. Designed for right-angle through-hole termination, it utilizes a Polyphenylene Sulfide (PPS) housing. The component operates within a temperature range of -65°C to +125°C, supports a current rating of 5 A, and withstands up to 1 kV. It includes polarization guide sets and mounting ears.

Feature Summary

• Right-angle board mount configuration with through-hole solder terminals
• Polarized design incorporating guide sets for secure mating alignment
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Polyphenylene Sulfide housing providing thermal stability

Applications

• Military avionics systems requiring MIL-DTL-55302 compliance
• Ruggedized electronic equipment operating in extreme temperatures
• High-density circuit board interconnections
• Defense communication hardware modules

Procurement Notes

Verify the specific polarization index indicated by the suffix against the mechanical drawing to ensure correct orientation during assembly. Confirm that the manufacturer's datasheet matches the required contact count and terminal style. Cross-reference the MIL-DTL-55302 specification details to validate environmental ratings. Ensure compatibility with corresponding receptacle models before finalizing procurement orders.

Selection Notes

Select this model when a right-angle, polarized plug with 50 circuits is required for high-reliability applications. Verify that the 2.54 mm pitch aligns with the PCB layout constraints. Ensure the system environment stays within the specified -65°C to +125°C operational range. Confirm that the 5 A current rating meets the electrical load requirements of the connected circuits.

Part Context

This component belongs to the AirBorn W Series, a line of rectangular connectors designed for demanding environments. The series offers various position counts and configurations compliant with MIL-DTL-55302 standards. The WTB50PR9SY-4 specifically addresses needs for dense, polarized interconnects in military and aerospace sectors.

Replacement Considerations

Equivalent part number: M55302/57B50X.