The MOLEX / WALDOM 71231-0003 Mini-Fit Jr. header is a versatile component designed for secure wire-to-board connections in a variety of industrial applications. It offers a 4.20mm pitch and is configured with 3 circuits in a single row, vertical orientation. The header incorporates a snap-in plastic peg PCB lock for enhanced stability and features tin plating for improved conductivity and corrosion resistance. It is rated for a maximum current of 13A per circuit when mated with a compatible receptacle and is designed to meet the demands of power applications while maintaining reliability and ease of use. The header is RoHS compliant and suitable for use in a wide range of electronic devices.