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YD/T 637-2024DC-DC conversion equipment for communication (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 10, 2024

Implementation date

April 1, 2025

Scope

YD/T 637-2024 (DC-DC conversion equipment for communication) is available as an English-translated PDF.

YD/T 637-2024 — 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.

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Document preview — YD/T 637-2024

National Standard of the People's Republic of China

Classification: M 41
Replacing: YD/T 637-2006

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

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.

Document data

Chinese classification (CCS): M41.

Supersedes the earlier edition YD/T 637-2006.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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