Thermistors - Directly heated positive step-function temperature coefficient -- Part 1-1: Blank detail specification - Current limiting application - Assessment level EZ

This blank detail specification is a supplementary  document to the generic specification and contains  requirements for style and layout and minimum  content of detail specifications.

Thermistoren - Direkt geheizte temperaturabhängige Widerstände mit positivem Temperaturkoeffizienten - Teil 1-1: Vordruck für Bauartspezifikation - Anwendung als Strombegrenzer - Bewertungsstufe EZ

Thermistances à basculement à coefficient de température positif à chauffage direct - Partie 1-1: Spécification particulière cadre - Application de la limitation de courant - Niveau d'assurance de la qualité EZ

La CEI 60738-1-1:2008 est un document annexe à la spécification générique qui contient des exigences pour le modèle, la disposition et le contenu minimal des spécifications particulières. Les spécifications particulières ne répondant pas à ces règles ne doivent pas être considérées conformes aux spécifications de la CEI et ne doivent pas être déclarées comme telles. Cette édition contient des modifications des paragraphes référencés de la spécification générique révisée CEI 60738-1. Cette publication doit être lue conjointement avec la CEI 60738-1:2009.

Termistorji - Neposredno ogrevani s stopenjskim pozitivnim temperaturnim koeficientom - 1-1. del: Uporaba za omejevanje toka - Nivo ocenjevanja EZ (IEC 60738-1-1:2008)

General Information

Status
Published
Publication Date
05-Jun-2008
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-May-2008
Due Date
14-Jul-2008
Completion Date
06-Jun-2008

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Thermistors - Directly heated positive step-function temperature coefficient - Part 1-1: Blank detail specification - Current limiting application - Assessment level EZ (IEC 60738-1-1:2008)Termistorji - Neposredno ogrevani s stopenjskim pozitivnim temperaturnim koeficientom - 1-1. del: Uporaba za omejevanje toka - Nivo ocenjevanja EZ

(IEC 60738-1-1:2008)Thermistances à basculement à coefficient de température positif à chauffage direct - Partie 1-1: Spécification particulière cadre - Application de la limitation de courant - Niveau d'assurance de la qualité EZ (CEI 60738-1-1:2008)Thermistoren - Direkt geheizte temperaturabhängige Widerstände mit positivem Temperaturkoeffizienten - Teil 1-1: Vordruck für Bauartspezifikation: Anwendung als Strombegrenzer Qualitätsbewertungsstufe EZ

(IEC 60738-1-1:2008)31.040.30TermistorjiThermistorsICS:SIST EN 60738-1-1:2008enTa slovenski standard je istoveten z:EN 60738-1-1:200801-julij-2008SIST EN 60738-1-1:2008SLOVENSKI

STANDARDSIST EN 60738-1-1:20021DGRPHãþD
EUROPEAN STANDARD EN 60738-1-1 NORME EUROPÉENNE
EUROPÄISCHE NORM April 2008

CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2008 CENELEC -

All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60738-1-1:2008 E
ICS 31.040.30 Supersedes EN 60738-1-1:1999
English version
Thermistors -
Directly heated positive step-function temperature coefficient -
Part 1-1: Blank detail specification -
Current limiting application -
Assessment level EZ (IEC 60738-1-1:2008)
Thermistances à basculement
à coefficient de température positif
à chauffage direct -
Partie 1-1: Spécification particulière
cadre -
Application de la limitation de courant -
Niveau d'assurance de la qualité EZ (CEI 60738-1-1:2008)
Thermistoren -

Direkt geheizte temperaturabhängige Widerstände mit positivem Temperaturkoeffizienten -

Teil 1-1: Vordruck für Bauartspezifikation -Anwendung als Strombegrenzer -
Bewertungsstufe EZ (IEC 60738-1-1:2008)

This European Standard was approved by CENELEC on 2008-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.

EN 60738-1-1:2008
- 2 -

Foreword The text of document 40/1874/FDIS, future edition 3 of IEC 60738-1-1, prepared by IEC TC 40, Capacitors and resistors for electronic equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60738-1-1 on 2008-03-01. This European Standard supersedes EN 60738-1-1:1999. EN 60738-1-1:2008 contains changes with respect to the referenced subclauses of the revised generic specification EN 60738-1. This standard is to be used in conjunction with EN 60738-1. The following dates were fixed: – latest date by which the EN has to be implemented

at national level by publication of an identical
national standard or by endorsement
(dop)
2008-12-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)

2011-03-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60738-1-1:2008 was approved by CENELEC as a European Standard without any modification. __________

- 3 - EN 60738-1-1:2008 Annex ZA (normative)

Normative references to international publications with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

NOTE

When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.

Publication Year Title EN/HD Year
IEC 60068-2-58 -1) Environmental testing -

Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD) EN 60068-2-58 + corr. December

20042) 2004
IEC 60410 1973 Sampling plans and procedures for inspection by attributes - -

IEC 60738-1 2006 Thermistors - Directly heated positive temperature coefficient -

Part 1: Generic specification EN 60738-1 2006
1) Undated reference. 2) Valid edition at date of issue.
IEC 60738-1-1Edition 3.0 2008-02INTERNATIONAL STANDARD
Thermistors – Directly heated positive step-function temperature coefficient –

Part 1-1: Blank detail specification – Current limiting application – Assessment level EZ

INTERNATIONAL ELECTROTECHNICAL COMMISSION NICS 31.040.30 PRICE CODEISBN 2-8318-9573-1QC 440001

– 2 – 60738-1-1 © IEC:2008(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________

THERMISTORS –
DIRECTLY HEATED POSITIVE STEP-FUNCTION TEMPERATURE COEFFICIENT –
Part 1-1: Blank detail specification –
Current limiting application –
Assessment level EZ

FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The 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, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “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) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 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 are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60738-1-1 has been prepared by IEC technical committee 40: Capacitors and resistors for electronic equipment. This third edition cancels and replaces the second edition issued in 1998. It constitutes a technical revision. This edition contains changes with respect to the referenced subclauses of the revised generic specification IEC 60738-1. This publication is to be read in conjunction with IEC 60738-1.

60738-1-1 © IEC:2008(E) – 3 – The text of this standard is based on the following documents: FDIS Report on voting 40/1874/FDIS 40/1891/RVD

Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. The QC number that appears on the front cover of this publication is the specification number in the IEC Quality Assessment System for Electronic Components (IECQ). The list of all parts of the IEC 60738 series, under the (new) general title Thermistors – Directly heated positive step-function temperature coefficient, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to the specific publication. At this date, the publication will be • reconfirmed, • withdrawn, • replaced by a revised edition, or • amended. A bilingual version of this publication may be issued at a later date.

– 4 – 60738-1-1 © IEC:2008(E) INTRODUCTION Blank detail specification A blank detail specification is a supplementary document to the generic specification and contains requirements for style and layout and minimum content of detail specifications. Detail specifications not complying with these requirements shall not be considered as being in accordance with IEC specifications nor shall they so be described. In the preparation of detail specifications the content of IEC 60738-1:2006,1.4 shall be taken into account. The numbers between brackets on the first page correspond to the following information which shall be inserted in the position indicated. Identification of the detail specification [1] The "International Electrotechnical Commission" or the National Standards Organization under whose authority the detail specification is drafted. [2] The IEC or National Standards number of the detail specification, date of issue and any further information required by the national system. [3] The number and issue number of the IEC or national generic specification. [4] The IEC number of the blank detail specification. Identification of the thermistor [5] A short description of the type of thermistor. [6] Information on typical construction (if applicable). NOTE When the thermistor is not designed for use on printed boards, this should clearly be stated in the detail specification in this position. [7] Outline drawing with main dimensions which are of importance for interchangeability and/or reference to the national or international documents for outlines. Alternatively, this drawing may be given in an annex to the detail specification. [8] Application or group of applications covered and/or assessment level. [9] Reference data on the most important properties, to allow comparison between the various thermistor types.

60738-1-1 © IEC:2008(E) – 5 –
[1] IEC 60738-1-1-XXX [2]
QC 440001XXXXXX

ELECTRONIC COMPONENTS OF ASSESSED IEC 60738-1-1 [4] QUALITY IN ACCORDANCE WITH: QC 440001

[3] DIRECTLY HEATED POSITIVE
STEP-FUNCTION TEMPERATURE

COEFFICIENT THERMISTORS [5] Outline drawing: [see 1.2] FOR CURRENT LIMITING [... angle projection] APPLICATION

MODIFIED FERRO-ELECTRIC [6]
[7] CERAMIC MATERIAL [Other shapes are permitted within the dimensions given]
Assessment level: EZ [8]

Information on the availability of components qualified to this detail specification is given in the Register of Approvals.

[9]

– 6 – 60738-1-1 © IEC:2008(E) THERMISTORS – DIRECTLY HEATED POSITIVE STEP-FUNCTION TEMPERATURE COEFFICIENT –

Part 1-1: Blank detail specification – Current limiting application – Assessment level EZ

1 General data 1.1 Method(s) of mounting (to be inserted) (See IEC 60738-1:2006, 7.30). 1.2 Dimensions (All dimensions are in millimetres or inches and millimetres; it shall be stated which dimensions are suitable for gauging). Dimensioned drawing(s) shall be giv

...

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