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IEC 62024-2-ed.3.0
High frequency inductive components - Electrical characteristics and measuring methods - Part 2: Rated current of inductors for DC-to-DC converters
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STANDARD published on 19.12.2024
The information about the standard:
Designation standards: IEC 62024-2-ed.3.0
Publication date standards: 19.12.2024
SKU: NS-1209134
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 62024-2-ed.3.0 :
IEC 62024-2:2024 specifies the measuring methods of the rated DC limits for inductors as defined below. Standardized measuring methods for the determination of ratings enable users to accurately compare the current ratings given in various manufacturers data books. This document is applicable to leaded and surface mount inductors with dimensions according to IEC 62025-1 and generally with rated current less than 125 A, although inductors with rated current greater than 125 A are available that fall within the dimension restrictions of this document (no larger than a 625 mm2 footprint). These inductors are typically used in DC-to-DC converters built on printed circuit boards (PCBs), for electronic and telecommunication equipment, and small size switching power supply units. The measuring methods are defined by the saturation and temperature rise limitations induced solely by direct current (DC). This edition includes the following significant technical changes with respect to the previous edition: a) extension of scope by increase of range of rated current from 22 A to 125 A; b) extension of scope by increase of footprint limitation from 12 mm × 12 mm to 625 mm2; c) addition of upper current limitation for Iclass B, Iclass C and Iclass D board to Table 1; d) revised application examples for Table 1; e) addition of wire size references for current ranges between 22 A <= I <= 125 A to Table 2; f) addition of crimp terminal references to Table 2; g) addition of thermal camera method. LIEC 62024-2:2024 specifie les methodes de mesure des limites de courant continu assigne pour les bobines dinductance, definies ci-apres. Les methodes de mesure normalisees pour la determination des caracteristiques assignees permettent aux utilisateurs de comparer avec exactitude les caracteristiques assignees de courant indiquees dans les fiches de donnees des differents fabricants. Le present document sapplique aux bobines dinductance plombees et a montage en surface dont les dimensions sont conformes a lIEC 62025-1 et dont le courant assigne est generalement inferieur a 125 A, meme si des bobines dinductance de courant assigne superieur a 125 A sont disponibles et respectent les limites de dimensions du present document (empreinte inferieure ou egale a 625 mm2). Ces bobines dinductance sont habituellement utilisees dans des convertisseurs continu-continu montes sur des cartes a circuit imprime (PCB, printed circuit boards), pour des equipements electroniques et de telecommunications, ainsi que pour les blocs dalimentation a decoupage de petite taille. Les methodes de mesure sont definies par les limites de saturation et dechauffement induites par le courant continu (DC) uniquement. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) le domaine dapplication a ete elargi en portant la plage du courant assigne de 22 A a 125 A; b) le domaine dapplication a ete elargi en portant les limites de lempreinte de 12 mm × 12 mm a 625 mm2; c) une limite haute de courant a ete ajoutee pour les cartes Iclasse B, Iclasse C et Iclasse D dans le Tableau 1; d) les exemples dapplication ont ete revises pour le Tableau 1; e) des tailles de fils de reference ont ete ajoutees pour les courants dintensite 22 A <= I <= 125 A dans le Tableau 2; f) des bornes a sertir de reference ont ete ajoutees dans le Tableau 2; g) la methode par camera thermique a ete ajoutee.
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