M50-3203545

Headers, Receptacles, Female Sockets Overview

The Harwin M50-3203545 is a high-reliability PCB connector from the Archer M50 series. It features a 70-position, dual-row receptacle configuration with a 1.27 mm (0.05 in) pitch. Designed for surface-mount installation, it utilizes right-angle termination to facilitate compact board layouts. The contacts are gold-plated phosphor bronze, ensuring robust conductivity and corrosion resistance. Rated for 1 A current and 1 kV AC voltage, the component operates within a temperature range of -40°C to +105°C. The housing is constructed from black liquid crystal polymer (LCP), offering UL 94 V-0 flammability rating and high insulation resistance.

Headers, Receptacles, Female Sockets Feature Summary

• High-density 70-position dual-row architecture optimized for space-constrained applications
• Right-angle surface-mount termination enables efficient vertical board stacking
• Gold-plated contacts provide reliable signal transmission and long-term durability
• Liquid crystal polymer housing ensures thermal stability and flame retardancy

Headers, Receptacles, Female Sockets Applications

• Industrial control systems requiring dense interconnects
• Automotive electronics modules
• Telecommunications infrastructure equipment
• Medical device internal connections

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against official Harwin documentation to confirm pin count, row configuration, and termination style. Ensure compatibility with mating headers regarding pitch and shrouding. Cross-reference the UL certification status and material specifications with the latest datasheet to meet project compliance requirements before finalizing procurement.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a high-pin-count, right-angle surface-mount solution is required. The 1.27 mm pitch balances density with manufacturability. Consider the 1 kV AC rating for isolation needs. Verify that the PCB footprint matches the specified SMT pad layout. Evaluate thermal management capabilities given the 105°C maximum operating temperature limit.

Headers, Receptacles, Female Sockets Part Context

Part of the Archer M50 series, known for high reliability in harsh environments. Harwin specializes in precision interconnects for demanding sectors. This model represents a standard high-density option within their portfolio, utilizing advanced polymer materials for superior performance compared to generic alternatives.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the 70-position, 1.27 mm pitch, dual-row, right-angle SMT specification. Verify contact plating thickness and housing material properties. Generic equivalents may lack the specific UL ratings or thermal stability of the original LCP housing.

Headers, Receptacles, Female Sockets FAQ

What is the contact material for the M50-3203545?

The contacts are made of phosphor bronze with a gold plating finish.

Is this connector shrouded?

Yes, the M50 series typically features shrouded headers to guide mating connectors and prevent misalignment.

What is the flammability rating of the housing?

The liquid crystal polymer housing has a UL 94 V-0 flammability rating.