The M20-9990646 is a connector from the M20 series, designed for versatile board-to-board and board-to-wire applications with its 2.54mm pitch and 0.64mm square pins. It supports a maximum current of 3A per contact and has an initial contact resistance of 20mΩ maximum. The component is rated for a dielectric withstanding voltage of 1,000V AC and a minimum insulation resistance of 1,000MΩ. Built with a UL94V-0 rated high-temperature thermoplastic housing and copper alloy contacts, it is designed for reliability across a wide range of electronic systems, operating effectively in temperatures from -40°C to +105°C.