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YD/T 637-2024 English PDF

YD/T 637: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 637-2024EnglishRFQ ASK 3 days [Need to translate] (DC-DC conversion equipment for communication) Valid YD/T 637-2024
YD/T 637-2006English719 Add to Cart 3 days [Need to translate] DC-DC Conversion Equipment for Telecommunication Obsolete YD/T 637-2006
YD/T 637-1993English399 Add to Cart 3 days [Need to translate] (Communication with the DC - DC conversion equipment) Obsolete YD/T 637-1993

Basic data

Standard ID YD/T 637-2024 (YD/T637-2024)
Description (Translated English) (DC-DC conversion equipment for communication)
Sector / Industry Telecommunication Industry Standard (Recommended)
Date of Issue 2024-12-10
Date of Implementation 2025-04-01
Older Standard (superseded by this standard) YD/T 637-2006
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the composition, classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of DC-DC conversion equipment for communications. This standard applies to DC-DC conversion equipment for communications with an input voltage of less than 1000V. For products with specific standards, refer to their specific standards. For DC-DC conversion equipment with voltage levels not listed in this standard, it can be used as a reference.