Switch Mode Power Supply, which is known as SMPS in the short form is a highly reliable power supply. The range has power provisions, which make use of switching regulator for stabilizing as well as controlling the output voltage. These ensure an optimum power conversion and reduce the overall power loss. Their widespread use is achievable due to the advantages they provide in terms of size, functional efficiency, weight, cost and general performance. The range of Switch Mode Power Supply includes various power converters. Also, these are useful for creating an ultimate source of power. These can be utilized as the replacements for linear controls due to their high-functionality and compact sizes. Rarely an electrical noise problems can occur during the operation of the offered products.