IEC INTERNATIONAL STANDARD 62319-1-1 First edition 2005-02 Polymeric thermistors Directlyheated positive stepfunction temperature coefficient - Part 1-1: Blank detail specification - Current limiting application IEC Referencenumber IEC 62319-1-1:2005(E) Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example, IEC 34-1is now referred to as IEC 60034-1. Consolidated editions The IEc is now publishing consolidated versions of its publications. For example. edition numbers 1.0, 1.1 and 1.2 refer, respectively,to the base publication, the amendments 1 and 2. FurtherinformationonIECpublications The technical content of IEC publications is kept under constant review by the IEC, this.publication, including itsvalidity, is available in the IEc Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEc Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published This summary of recently issued publications (www.iec.ch/online news/ justpub) is also available by email.Please contact the Customer Service Centre (see below) forfurther information. Customer Service Centre If you have any questions regarding this publication or need further assistance. please contact the Customer Service Centre: Email: [email protected] Tel: +41 22 919 02 11 +41229190300 Fax: IEC INTERNATIONAL STANDARD 62319-1-1 First edition 2005-02 Polymeric thermistors Directlyheatedpositivestepfunction temperature coefficient - Part 1-1: Blankdetail specification Current limiting application IEC 2005— Copyright-all rightsreserved mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected]: www.iec.ch M PRICE CODE TEC Commission Electrotechnique Internationale International Electrotechnical Commission MexAyHapoAHagnekTpoTexHMyeckagKoMccWA For price, see current cafalogue 62319-1-1@IEC:2005(E) - 2 - INTERNATIONALELECTROTECHNICALCOMMISSION POLYMERICTHERMISTORS DIRECTLYHEATEDPOSITIVESTEPFUNCTION TEMPERATURECOEFFICIENT Part 1-1: Blank detail specification - Current limiting application FOREWORD The International Electrotechnical Commission (IEC)is a worldwide organization for standardization comprising 1) all national electrotechnical committees (IEC National Committees). object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, ,IEC publishes International Standards,Technical Specifications. Technical Reports, “IEC Publication(s)"). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work.. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (Iso) in accordance with conditions determined by agreement between the two organizations. 2) interested IECNationalCommittees. 3) IEc Publications have the form of recommendations for international use and are accepted by IEc National Committees in that sense. .While all reasonable efforts ar