Do you need switch mode power supply to incorporate a switching regulator to efficiently convert electrical power? It is a highly efficient form of transformers that is ideal for electrical power supply to computer devices. Most SMPs use a 2-coil transformer, and 3-coil transformer which are often used to provide multiple output power labels from a single SMPS circuit. Vigortronix provides has an onsite manufacturing facility that offer small to large scale production. Their warehouse stocks a wide range of SMPS transformers, wound components, ad power supplies. To know more, visit: http://www.vigortronix.com