WTB20PR9SY

Overview

The WTB20PR9SY is a rectangular MIL-DTL-55302 series connector manufactured by Molex / AirBorn. It features a right-angle board mount plug design with dual rows and 20 positions. The contacts are gold-plated copper alloy pins suitable for through-hole termination. Constructed with a polyphenylene sulfide (PPS) plastic body, it operates within a temperature range of -65°C to +125°C. Key electrical specifications include a 5 A current rating, 1 kV voltage rating, and 5 GOhms insulation resistance. The component utilizes a 2.54 mm pitch and includes guide sets and mounting ears for secure installation.

Feature Summary

• Compliant with MIL-DTL-55302 military specifications for rugged reliability
• Right-angle configuration facilitates dense circuit board layouts
• Gold-plated pin contacts ensure stable signal transmission
• Polyphenylene sulfide housing provides thermal stability

Applications

• Avionics control systems
• Military communication equipment
• Ruggedized electronic assemblies

Procurement Notes

Verify the specific suffix against official datasheets to confirm polarization and guide set configurations. Ensure compatibility with mating receptacles regarding MIL-DTL-55302 standards. Confirm RoHS status requirements as variations may exist. Validate that the right-angle orientation matches the mechanical constraints of the target PCB layout before finalizing procurement orders.

Selection Notes

Select this component when a MIL-Spec right-angle plug is required for high-reliability applications. The 20-position count and 2.54 mm pitch define the interface density. Consider the PPS material properties for environments requiring elevated temperature tolerance up to +125°C. Verify that the through-hole termination method aligns with the manufacturing capabilities of the assembly line.

Part Context

This part belongs to the AirBorn W Series, a family of rectangular connectors designed for demanding environments. The series emphasizes durability and consistent performance in aerospace and defense sectors. The WTB20PR9SY represents a standard configuration within this lineup, focusing on board-to-board connectivity via rigid mounting structures.

Replacement Considerations

M55302/57B20X is a confirmed public substitute part number.