These power supplies are dearer, more substantial and less Electrical power effective than unregulated linear supplies. They have a tendency to shed considerable quantities of Electrical power due to dissipation of power, so they may need for use along with a heat sink by having an built-in circuit (IC) regulator. https://power-supplies-repair99988.blogprodesign.com/52190939/5-easy-facts-about-power-supplies-repair-described