M20-9742942

Headers, Male Pins Overview

The Harwin M20-9742942 is a dual-in-line horizontal pin header from the M20 series, designed for through-hole mounting. It features a 2.54 mm pitch and comprises 40 positions arranged in two rows. The connector utilizes brass contacts with gold plating to ensure reliable signal transmission. Constructed with a black nylon housing, it supports board-to-board or cable-to-board interconnections. This component is rated for a maximum operating temperature of 105°C and a minimum of -40°C, providing robust performance in standard electronic assemblies requiring high-density connections.

Headers, Male Pins Feature Summary

• Dual-row configuration enables high-density circuit board interconnections within limited space constraints.
• Horizontal orientation facilitates compact layout designs and specific mechanical integration requirements.
• Gold-plated brass contacts provide durable electrical conductivity and resistance to corrosion over time.

Headers, Male Pins Applications

• Board-to-board interconnection systems
• Cable-to-board wiring harnesses
• General-purpose electronic assembly modules

Headers, Male Pins Procurement Notes

Verify the exact contact count and row configuration against the official datasheet before procurement. Confirm that the horizontal mounting style aligns with the mechanical design of the target PCB. Ensure the gold plating specification meets the environmental requirements for the intended application environment.

Headers, Male Pins Selection Notes

Select this component when a horizontal, dual-row header is required for dense signal routing. Consider the 2.54 mm pitch compatibility with mating connectors. Evaluate the thermal rating to ensure suitability for the operational temperature range of the final device assembly.

Headers, Male Pins Part Context

This part belongs to the Harwin M20 series, a widely used line of rectangular connectors known for their reliability and versatility. The series offers various configurations including vertical and horizontal orientations with different pin counts. The M20-9742942 specifically addresses applications needing a horizontal, high-pin-count solution with durable contact materials.

Headers, Male Pins Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with existing mating connectors based on pitch and row alignment before considering alternative sources.