GB/T 9634.1-2002Ferrite cores -- Guide on the limits of surface irregularities -- Part 1: General specification (English PDF)
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Level / Type
National · Recommended
Issue date
December 4, 2002
Implementation date
May 1, 2003
Scope
GB/T 9634.1-2002 (Ferrite cores -- Guide on the limits of surface irregularities -- Part 1: General specification) is available as an English-translated PDF.
GB/T 9634.1-2002 — This standard specifies the ferrite core surface defects on the permissible limits of the guidelines. In this part of the ferrite core manufacturer and user consultations between relevant surface defects is used as a general guide.
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Document preview — GB/T 9634.1-2002
National Standard of the People's Republic of China
- ICS
- 29.100.10
- Classification
- L 19
- Replacing
- GB/T 9634-1988
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the ferrite core surface defects on the permissible limits of the guidelines. In this part of the ferrite core manufacturer and user consultations between relevant surface defects is used as a general guide.
Document data
International classification (ICS): 29.100.10.
Chinese classification (CCS): L19.
Estimated length of the Chinese original: 7,781 words.
Adopted international standard: IEC 60424-1-1999, IDT.
Supersedes the earlier edition GB/T 9634-1988.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 44069.6-2026Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 6: ETD-cores for use in power supplies
- GB/T 44069.13-2025Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 13: PQ-cores
- GB/T 44069.14-2025Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 14: EFD-cores
- GB/T 44069.5-2025Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 5: EP-cores and associated parts for use in inductors and transformers
- GB/T 44069.4-2024Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 4: RM-cores
- GB/T 9634.8-2018Ferrite cores -- Guideline on the limits of surface irregularities -- Part 8: PQ-cores
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Related Standards
GB/T 9634.3-2002 — Ferrite cores -- Guide on the limits of surface irregularities -- Part 3: ETD-cores and E-cores
GB/T 9634.4-2007 — Ferrite cores -- Guide on the limits of surface irregularities -- Part 4: Ring-cores
GB/T 9634.8-2018 — Ferrite cores -- Guideline on the limits of surface irregularities -- Part 8: PQ-cores
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GB/T 9634.1-2002
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