NB/T 42039-2014Wide voltage input and regulated output isolated DC-DC module power supply (English PDF)
宽压输入稳压输出隔离型直流-直流模块电源
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
June 29, 2014
Implementation date
November 1, 2014
Scope
NB/T 42039-2014 is the English-translated version of 宽压输入稳压输出隔离型直流-直流模块电源.
NB/T 42039-2014 is a recommended energy industry standard of China covering isolated DC-DC module power supplies that accept a wide input voltage range and deliver a regulated output.
It sets the terms and definitions, the range of ratings, the technical requirements, the test methods and the inspection rules for these modules, together with marking, packaging, transport and storage.
Its subject is the module itself, and it is classified under K81 and ICS 29.200. Among the documents it quotes are the GB/T 2423 environmental test series, GB 9254, the GB/T 17626 immunity series and SJ/T 11363. Issued on 29 June 2014, it has applied since 1 November 2014.
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Document preview — NB/T 42039-2014
National Standard of the People's Republic of China
- ICS
- 29.200
Issued by: National Energy Administration of the People's Republic of China
1 Foreword
NB/T 42039-2014 was issued by National Energy Administration of the People's Republic of China on 29 June 2014 and has been in force since 1 November 2014.
2 Scope
This standard is a recommended energy industry standard of China covering isolated DC-DC module power supplies that accept a wide input voltage range and deliver a regulated output. It sets the terms and definitions, the range of ratings, the technical requirements, the test methods and the inspection rules for these modules, together with marking, packaging, transport and storage. Its subject is the module itself, and it is classified under K81 and ICS 29.200. Among the documents it quotes are the GB/T 2423 environmental test series, GB 9254, the GB/T 17626 immunity series and SJ/T 11363.
3 Normative references
NB/T 42039-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 2423.1-2008 — Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
GB/T 2423.2-2008 — Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
GB/T 2423.3-2006
GB/T 2423.8
GB/T 2423.10
GB/T 2829-2002
GB 9254
GB/T 16821-2007 — General test methods of power supply equipments for telecommunications
GB/T 17626.2
GB/T 17626.4
GB/T 17626.5
GB/T 17626.29
SJ 3212
SJ/T 11363
4 About this standard
Issued by: National Energy Administration of the People's Republic of China
English translation: about 20 pages
5 Classification and status
International classification (ICS): 29.200
Chinese Standard Classification (CCS): K 81
Prefix NB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 2423.1-2008Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2-2008Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.3-2006Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
- GB/T 2423.8Environmental testing for electric and electronic products - Part 2: Test methods - Test Ed: Free fall
- GB/T 2423.10Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB 9254
Similar standards
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Related Standards
GB/T 16821-2007 — General test methods of power supply equipments for telecommunications
GB/T 17626.2-1998 — Electromagnetic compatibility--Testing and measurement techniques--Electrostatic discharge immunity test
GB/T 17626.2-2006 — Electromagnetic compatibility (EMC) - Testing and measurement techniques - Electrostatic discharge immunity test
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