M52-5111945

Headers, Receptacles, Female Sockets Overview

The M52-5111945 is a vertical socket assembly from the Harwin Archer M52 series, designed for board-to-board interconnection. It features 19 positions with a 0.050 inch (1.27 mm) pitch and utilizes a double row configuration. The connector employs through-hole solder pin termination and gold-plated phosphor bronze contacts housed in black polyamide insulation rated UL94 V-0. It supports a push-pull locking mechanism and operates within a temperature range of -40°C to +105°C. The unit has an insulation height of 8.5 mm and a mating stack height of 7.1 mm or 8.37 mm depending on the counterpart.

Headers, Receptacles, Female Sockets Feature Summary

• Vertical double-row socket design for compact board-to-board stacking
• Push-pull locking system ensures secure mechanical retention during vibration
• Gold-plated phosphor bronze contacts provide reliable signal transmission
• High-temperature resistant polyamide insulation meets UL94 V-0 flammability standards

Headers, Receptacles, Female Sockets Applications

• Telecommunications equipment backplanes
• Medical device internal interconnects
• General industrial control systems

Headers, Receptacles, Female Sockets Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm RoHS3 compliance status prior to integration. Ensure storage conditions maintain moisture sensitivity level 1 integrity. Validate that the specific suffix matches the required vertical orientation and contact count for the target PCB layout.

Headers, Receptacles, Female Sockets Selection Notes

Select this part when a vertical double-row receptacle with push-pull locking is required for high-density applications. Consider the 1.27 mm pitch constraint and 8.5 mm housing height against available board space. Ensure mating headers are compatible with the specified stack heights and contact geometry for proper engagement.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the Archer M52 series, which offers various configurations including single and double rows with different heights. The M52-511xx45 code indicates a vertical double-row socket with 8.5 mm insulation height. This series is engineered for demanding environments requiring robust mechanical locking and consistent electrical performance across wide temperature ranges.

Headers, Receptacles, Female Sockets Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As this specific variant is marked as discontinued, engineers must evaluate equivalent vertical double-row sockets from the same manufacturer's current portfolio or alternative suppliers offering identical pitch, locking style, and dimensional specifications.