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M20-9990746 is listed in the Headers, Male Pins range at ChipApex. The manufacturer field lists Harwin Inc.. Its product description is CONN HEADER VERT 7POS 2.54MM. Review the specifications below when checking this part for your BOM.
The M20-9990746 is a single-row, vertical male pin header manufactured by Harwin Inc. within the M20 series. It features seven contacts with a 2.54 mm (0.1 inch) pitch and utilizes through-hole termination for board mounting. The connector is designed for board-to-board or wire-to-board applications, offering a mating pin height of 6.1 mm and PCB tail lengths of 3 mm.
Verify the exact contact count and row configuration against project requirements before ordering. Confirm that the through-hole footprint matches the target PCB layout. Ensure compatibility with mating connectors regarding pitch and gender specifications to prevent assembly errors.
Select this component when a low-profile, single-row vertical connection is required. The 2.54 mm pitch ensures broad compatibility with existing connector ecosystems. Consider the 3 mm tail length for adequate solder joint formation during automated or manual wave soldering processes.
This part belongs to the M20 series, which provides a range of rectangular connectors. The series supports various configurations including different row counts and termination styles. The M20-9990746 specifically addresses needs for simple, reliable vertical interconnects in compact electronic designs.
Direct substitutes must match the 2.54 mm pitch, 7-position count, and vertical orientation. Verify that alternative manufacturers offer identical through-hole termination dimensions and mating interface standards to ensure functional interchangeability without redesign.
Explore related parts through Rectangular Connectors, Connectors, Interconnects, all product categories, ChipApex homepage.

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