M20-9981945

Headers, Male Pins Overview

The Harwin M20-9981945 is a vertical pin header connector from the M20 series, designed for through-hole mounting. It features a 2-row configuration with 39 positions and a 2.54mm (0.100 inch) pitch. The contacts are gold-plated brass pins suitable for board-to-board or cable applications. Rated at 3A per contact, it operates within a temperature range of -40°C to 105°C. The housing is made of black polyamide (PA6T) with UL94 V-0 flammability rating. Key dimensions include a 3.00mm tail length and 6.10mm mating length.

Headers, Male Pins Feature Summary

• Vertical through-hole design for reliable PCB integration
• Gold-plated contacts ensure durable electrical performance
• Cuttable header format allows for custom pin counts
• High-temperature resistant polyamide insulation

Headers, Male Pins Applications

• Board-to-board interconnections
• Cable-to-board connections
• General electronic equipment interfaces
• Industrial control systems

Headers, Male Pins Procurement Notes

Verify the specific part number against official Harwin documentation to confirm row count and position details. Ensure compatibility with mating connectors regarding height and pitch. Check for RoHS compliance status if required by your manufacturing standards. Confirm that the supplier provides genuine components with traceable origin.

Headers, Male Pins Selection Notes

Select this component when a 2-row, 39-position vertical header is required. The 2.54mm pitch is standard for general-purpose electronics. Consider the 3A current rating for power distribution needs. Verify that the PCB layout accommodates the specified tail length and overall height constraints for the assembly.

Headers, Male Pins Part Context

This connector belongs to the Harwin M20 series, known for its robust construction and versatile mounting options. The M20 line offers various configurations including single and double rows with different pin counts. This specific model represents a high-density solution for applications requiring multiple signal or power lines in a compact vertical profile.

Headers, Male Pins Replacement Considerations

Compatible substitutes within the M20 series include M20-9981946 (tin-plated variant). Other Harwin models with identical mechanical specifications but different plating or material grades may serve as alternatives. Always verify electrical ratings and dimensional tolerances before substitution.