IEC IEC 60747-2 Edition 4.0 2025-09 INTERNATIONAL STANDARD Semiconductor devices - Part 2: Discrete devices - Rectifier diodes IEC 60747-2:2025-09(en) ICS 31.080.10 ISBN 978-2-8327-0704-3 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2025 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IECmemberNational Committeeforfurtherinformation. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland AbouttheIEC The International Electrotechnical Commission (lEC)is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications latest edition, a corrigendum or an amendment might have been published. IEcpublicationssearch IEc Products&ServicesPortal-products.iec.ch webstore.iec.ch/advsearchform Discover our powerful search engine and read freely all the The advanced search enables to find IEC publications by a publications previews, graphical symbols and the giossary. variety of criteria (reference number, text, technical With a subscription you wili always have access to up to date committee, ..). It also gives information on projects, content tailored to your needs. replaced and withdrawn publications. Electropedia-www.electropedia.org IEC Just Published-webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology. Stay up to date on all new IEC publications. Just Published containing more than 22 500 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 25 additional languages. once a month by email. Also known as the International Electrotechnical Vocabulary (IEV) online. IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:[email protected]. Warning!Makesurethatyou obtainedthispublicationfromanauthorized distributor. IEC60747-2:2025@IEC2025 CONTENTS FOREWORD 1 Scope 6 2 Normative references. 3 Terms and definitions. 6 3.1 General 6 3.2 Voltages . 3.3 Currents 8 3.4 Power dissipation 10 3.5 Switching characteristics 3.6 Mechanical ratings.. 14 4 Letter symbols. .14 4.1 General . .14 4.2 List of letter symbols 14 5 Essential ratings and characteristics. .16 5.1 General .16 5.2 Ratings (limiting values) 16 5.2.1 Storage temperature (Tstg).. 16 5.2.2 Operating ambient, case, heatsink or junction temperature (Ta, Tc, Ts or Tyi) .. .16 5.2.3 Non-repetitive peak reverse voltage (Vrsm) (where appropriate). .16 5.2.4 Repetitive peak reverse voltage (VRRm). ..16 5.2.5 Reverse voltage (Vr) (where appropriate).. ..16 5.2.6 Forward currents.. ..17 5.2.7 Peak case non-rupture current (IrsMc) (where appropriate) 5.2.8 Reverse power (for avalanche rectifier diodes). .18 5.2.9 Mechanical ratings .18 5.3 Characteristics 19 5.3.1 Forward voltages . .19 5.3.2 Breakdown voltage (V(BR) (of avalanche rectifier diodes), .19 5.3.3 Reverse current (IR(D) ..19 5.3.4 Repetitive peak reverse current (IRRm) (where appropriate). .19 5.3.5 Reverse recovery characteristics (where appropriate).. ..19 5.3.6 Forward recovery characteristics (where appropriate). ..21 5.3.7 Thermal resistance (Rth)... .21 5.3.8 Transient thermal impedance (Zth(t) (where appropriate). .21 6 Measuring methods. ..21 6.1 General .21 6.2 Verification of ratings (limiting values) .21 6.2.1 Non-repetitive peak reverse voltage (VRsm) 6.2.2 Non-repetitive surge forward current (IFsm) 6.2.3 Repetitive peak reverse power (PRRm) or surge reverse power (PRsm) of avalanche rectifier diodes .. .24 6.2.4 Peak case non-rupture current (IRsMc).. .28 6.3 Measuring methods for electrical characteristics .30 1 IEC60747-2: