IEC 60740-2:1993
Current
The latest, up-to-date edition.
Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials
Hardcopy , PDF
English - French
18-06-1993
FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Terms and definitions
3.1 Alloy subclass
3.2 Magnetic grade
4 Extended designation of laminations
5 General physical properties
6 Permeability requirements for the lamination material
7 Permeability requirements for laminations
7.1 Minimum lamination permeability
7.2 Inductance factor
7.3 Permeability rise factor
8 Calculation of lamination permeability
8.1 General
8.2 Principle of the calculation
8.3 Procedure
8.4 Numerical example
Figures
Annex A - Bibliography
Specifies requirements for the minimum permeabilities of laminations made of silicon-iron and nickel-iron alloys as defined by the alloy classes C2, E1, E3 and E4 of IEC 60404-1.
| Committee |
TC 51
|
| DevelopmentNote |
Stability Date: 2020. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
38
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| DIN IEC 60740-2:1995-08 | Identical |
| DIN IEC 60740-2 Berichtigung 1:2018-12 | Identical |
| I.S. EN 60740-1:2005 | LAMINATIONS FOR TRANSFORMERS AND INDUCTORS - PART 1: MECHANICAL AND ELECTRICAL CHARACTERISTICS |
| EN 60740-1:2005 | Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics |
| 04/30112654 DC : 0 | IEC 60740-1 ED.1 - LAMINATIONS FOR TRANSFORMERS AND INDUCTORS - PART 1: MECHANICAL AND ELECTRICAL CHARACTERISTICS |
| DIN 17745:2002-09 | Wrought nickel-iron alloys - Chemical composition |
| IEC 60740-1:2005 | Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics |
| BS EN 60740-1:2005 | Laminations for transformers and inductors Mechanical and electrical characteristics |
| ISO 3:1973 | Preferred numbers — Series of preferred numbers |
| IEC 60404-8-6:2016 | Magnetic materials - Part 8-6: Specifications for individual materials - Soft magnetic metallic materials |
| IEC 60404-1:2016 | Magnetic materials - Part 1: Classification |
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