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IEC 61332-ed.4.0
Soft ferrite material classification
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STANDARD published on 23.1.2026
The information about the standard:
Designation standards: IEC 61332-ed.4.0
Publication date standards: 23.1.2026
SKU: NS-1256752
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61332-ed.4.0 :
IEC 61332:2026 specifies classification rules for soft ferrite materials used in inductive components (inductors and transformers) fulfilling the requirements of the electronic industries. This document addresses the following issues for ferrite suppliers and users: - cross-reference between materials from multiple suppliers; - assistance to users in understanding the published technical data in catalogues when comparing multiple suppliers; - guidance to users in selecting the most applicable material for each application; - setting of nomenclature for IEC standards relating to ferrite; - establishing uniformed benchmarks for manufacturers for performance in new development of materials. The numerical values given in this document are typical values of the parameters (properties) of the related materials. Direct translation from the material specification into the core specification is not always easy or possible. Every detailed material and core specification should be agreed upon between suppliers and users. This edition includes the following significant technical changes with respect to the previous edition: a) added PW2c and PW3c in subclasses PW2 and PW3 respectively in Table 3; b) added the column of BS in Table 3; c) added a smaller size of the test core (O 12,7 mm × O 7,5 mm × 7 mm) for higher measuring frequency (? 500 kHz) in Table 3.
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