M50-3203945

Headers, Receptacles, Female Sockets Overview

The Harwin M50-3203945 is a 78-position receptacle connector from the Archer M50 series. It features a 1.27mm (0.05 inch) mating pitch and utilizes a two-row configuration for board-to-board or cable connections. The component employs a push-pull fastening mechanism and is designed for through-hole, right-angle mounting with solder termination. Contacts are made of phosphor bronze with square shapes and gold plating, offering a thickness of 10.0µin (0.25µm). Rated for 1A current, it operates within a temperature range of -40°C to 105°C. The black insulation is constructed from polyamide (PA9T) with UL94 V-0 flammability rating.

Headers, Receptacles, Female Sockets Feature Summary

• Push-pull latching system ensures secure mechanical retention between mating connectors.
• Right-angle through-hole design facilitates compact vertical PCB integration.
• Gold-plated phosphor bronze contacts provide reliable signal transmission in general applications.

Headers, Receptacles, Female Sockets Applications

• General electronic equipment interconnections
• Medical device circuitry
• Telecommunications infrastructure

Headers, Receptacles, Female Sockets Procurement Notes

This specific part number is officially classified as End-of-Life (EOL) by the manufacturer. Verification of availability should focus on obsolete stock or authorized distributors rather than active production lines. Buyers must confirm the exact condition of legacy inventory before procurement. Cross-referencing with current replacement options is strongly recommended to ensure long-term supply chain stability and compatibility with ongoing manufacturing requirements.

Headers, Receptacles, Female Sockets Selection Notes

Engineers selecting this component should account for its discontinued status when designing new products. The 78-pin count and 1.27mm pitch define the spatial constraints on the PCB layout. The right-angle orientation requires specific clearance considerations above the board surface. Compatibility with the corresponding male header from the same Archer M50 series is essential for proper function. Design reviews should prioritize alternative active parts to mitigate obsolescence risks.

Headers, Receptacles, Female Sockets Part Context

The M50-3203945 belongs to the Harwin Archer M50 series, known for high-density interconnect solutions. This series supports various configurations including IDC, SMT, and through-hole variants. The specific model represents a legacy socket assembly optimized for robust connectivity in demanding environments. Its design reflects Harwin's focus on precision engineering for rectangular connector systems used across industrial sectors.

Headers, Receptacles, Female Sockets Replacement Considerations

Preci-Dip part number 853-83-078-20-001101 is documented as an available substitute for this discontinued component.