M20-9973945

Headers, Male Pins Overview

The M20-9973945 is a vertical pin header connector from the Harwin M20 series, designed for through-hole mounting. It features a dual-row configuration with 78 positions and a 2.54mm pitch. The contacts are made of brass with gold plating to ensure reliable signal transmission. Rated for 3A per contact, it operates within a temperature range of -40°C to 105°C. The housing is constructed from black nylon (PA6T) with a UL94 V-0 flammability rating. This component supports board-to-board or cable connections.

Headers, Male Pins Feature Summary

• Dual-row vertical pin header design for high-density interconnects
• Gold-plated brass contacts for corrosion resistance and conductivity
• Thermoplastic insulation with flame-retardant properties
• Through-hole termination for secure PCB attachment

Headers, Male Pins Applications

• High-density board-to-board interconnections
• Cable-to-board assembly applications
• Industrial control system circuit boards
• Telecommunications equipment backplanes

Headers, Male Pins Procurement Notes

Verify current availability status as this part number is scheduled for obsolescence and will be discontinued by the manufacturer. Confirm that the final product datasheet matches the required 78-position dual-row specification. Ensure compatibility with mating sockets in the M20 series before procurement. Check for any updated environmental compliance documentation due to end-of-life status.

Headers, Male Pins Selection Notes

Select this component only if a 78-position dual-row layout is strictly required. Consider the end-of-life status when planning long-term production cycles. Verify that the 2.54mm pitch aligns with the target PCB footprint. Evaluate alternative M20 series headers if supply chain continuity is a primary concern. Ensure thermal management capabilities meet the -40°C to 105°C operational requirements.

Headers, Male Pins Part Context

This connector belongs to the Harwin M20 series, known for robust performance in demanding environments. The M20 family offers various row counts and position options. The M20-9973945 specifically addresses high-pin-count needs with its 78-position dual-row format. It complements other M20 headers and matching socket connectors for complete interconnect solutions.

Headers, Male Pins Replacement Considerations

M20-9973945 is scheduled for obsolescence. No direct public substitute part numbers are confirmed in the provided data. Users should consult Harwin for recommended replacement components within the M20 series that match the 78-position dual-row specification.