This standard specifies the composition, classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of high-frequency switching combination power supplies for communications. This standard applies to high-frequency switching combination power supplies for communications with a DC output voltage of 48V (24V) and a DC output current not greater than 1000A. It can be used as the basis for the design, manufacturing, use and quality inspection of power supply products.
YD/T 1058-2000 history
2015YD/T 1058-2015 High frequency switch-mode power supply for communications
2007YD/T 1058-2007 High Frequency Switch-Mode Power Supply for Communications
2000YD/T 1058-2000 High Frequency Switching Power Supply System for Telecommunications