WTB56PR9J

Overview

The WTB56PR9J is a rectangular MIL-Spec connector from the AirBorn W Series, manufactured by Molex. It features a right-angle plug design with board mount installation and through-hole termination. The component provides 56 positions arranged in two rows with a 2.54 mm pitch. Contacts are gold-plated copper alloy pins rated for 5 A current and 1 kV voltage. The housing is constructed from Polyphenylene Sulfide (PPS), supporting an operating temperature range of -65 C to +125 C and offering 5 GOhms insulation resistance.

Feature Summary

• Complies with MIL-DTL-55302 military specifications for high-reliability applications
• Utilizes gold-plated copper alloy pin contacts for durable electrical connections
• Features a Polyphenylene Sulfide (PPS) housing for thermal stability
• Designed for right-angle board mounting with through-hole soldering

Applications

• Avionics control systems
• Spacecraft instrumentation
• Electronic warfare equipment

Procurement Notes

Verify the specific manufacturer part number against official Molex or AirBorn documentation to ensure compliance with required military standards. Confirm that the ordering suffix matches the exact mechanical and electrical requirements for your assembly. Cross-reference datasheets to validate contact plating, housing material, and termination style before finalizing procurement orders.

Selection Notes

Select this component when a high-density, dual-row interconnect solution is required for rigid board-to-board connections. Ensure the design accommodates the right-angle footprint and through-hole soldering process. Verify that the 56-position count and 2.54 mm pitch align with the circuit layout constraints and mating connector specifications.

Part Context

This connector belongs to the AirBorn W Series, a line of rectangular connectors designed for mission-critical environments. The series is characterized by its adherence to strict military standards, providing robust performance in aerospace and defense sectors where reliability under extreme conditions is mandatory.

Replacement Considerations

M55302/61B56 is the documented alternate designation for this component. Verify mechanical compatibility and contact configuration before substituting.