M20-7881646

Overview

The Harwin M20-7881646 is a dual-in-line PCB receptacle designed for board-to-board interconnection. It features a 2.54 mm pitch with 32 contacts arranged in two rows. The connector utilizes through-hole mounting with right-angle orientation, suitable for vertical stacking applications. Contact materials are constructed from phosphor bronze with gold and tin plating to ensure reliable signal transmission. The housing is manufactured from high-temperature resistant nylon, providing structural integrity and electrical insulation. This component belongs to the M20 series, which is engineered for compact industrial environments requiring robust mechanical stability.

Feature Summary

• Dual-row configuration enables high-density board-to-board connections within restricted spatial footprints.
• Right-angle through-hole mounting facilitates efficient vertical stacking of printed circuit boards.
• Gold and tin contact plating provides durable corrosion resistance and stable electrical conductivity.

Applications

• Industrial control systems requiring compact interconnect solutions
• Telecommunications equipment with vertical board stacking needs
• Automotive electronics modules demanding reliable signal paths

Procurement Notes

Verify current availability status as this part number may be obsolete or discontinued. Confirm compatibility with mating header specifications before procurement. Check for authorized substitute models if original supply is unavailable. Ensure storage conditions maintain component integrity prior to assembly.

Selection Notes

Evaluate spatial constraints to confirm right-angle orientation meets design requirements. Assess current load capabilities against application demands. Verify that the 2.54 mm pitch aligns with existing PCB layout patterns. Consider environmental factors such as temperature range and vibration resistance when selecting this connector type.

Part Context

This component is part of the Harwin M20 series, a widely used line of connectors known for their reliability in harsh environments. The series offers various configurations including straight and right-angle options, different row counts, and multiple termination styles. The M20 series is recognized for its compact design and robust performance in industrial and commercial applications.

Replacement Considerations

• M20-7881646 is listed as obsolete; verify official substitutes provided by Harwin
• Check for equivalent right-angle dual-row receptacles with matching pitch and contact count
• Ensure substitute parts meet same current rating and material specifications