Table of Contents

FOREWORD<br>Clause<br>1 Scope and object<br>2 Normative references<br>3 Laminations<br>4 Coil former designation<br>&nbsp;&nbsp;&nbsp;4.1 Standard version (without terminal pins)<br>&nbsp;&nbsp;&nbsp;4.2 Printed wiring board mounting version (with <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;terminal pins)<br>5 Dimensions<br>&nbsp;&nbsp;&nbsp;5.1 General<br>&nbsp;&nbsp;&nbsp;5.2 Dimensions corresponding to the core stack height<br>6 Dimensions of coil formers for bracket mounting<br>&nbsp;&nbsp;&nbsp;6.1 Coil formers, standard version<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.1 Coil formers for YEI 1-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.2 Coil formers for YEx 2-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.3 Coil formers for YUI 1-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.4 Coil formers for YM 1-types<br>&nbsp;&nbsp;&nbsp;6.2 Coil formers, standard version with air duct<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.1 Coil formers for YEI 1-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.2 Coil formers for YUI 1-types<br>7 Dimensions of coil formers for printed wiring board <br>&nbsp;&nbsp;&nbsp;mounting and grid plans<br>&nbsp;&nbsp;&nbsp;7.1 Level mounting style<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.1.1 Coil formers for YEI 1-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.1.2 Coil formers for YEx 2-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.1.3 Coil formers for YUI 1-types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.1.4 Coil formers for YM 1-types<br>&nbsp;&nbsp;&nbsp;7.2 Vertical mounting style<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.2.1 Coil formers for YEx 2-types<br>8 Material of coil formers<br>9 Solderability and mechanical strength of terminal pins

Abstract

Specifies the main dimensions of coil formers for transformers and inductors, using a square stack of the laminations inserted in the coil formers.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 51