The M20-9990445 is a vertical, single-row male PC tail pin header from the M20 connector series. It features 4 gold-plated contacts on a standard 2.54mm pitch, ensuring reliable connectivity. This model is specified with a 6.1mm mating height and 0.64mm square pins for through-hole mounting. These versatile headers are suitable for pairing with female connectors and jumper sockets and can be cut to smaller sizes for various electronic applications.