The 1254HB-XX series represents a range of header connectors produced by Neltron. Supreme Components International is an authorised distributor of Neltron components, ensuring you receive genuine and high-quality products. These connectors are commonly used for creating board-to-board connections in various electronic applications. The 'XX' suffix in the part number denotes specific variations in the connector's specifications, including the number of pins, row configuration (single or dual row), and plating material. Please contact us with your specific requirements so we can provide the exact specifications for the available 1254HB-XX configurations. These headers offer reliable connectivity and are suitable for a wide range of applications.