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1、JIS JAPANESE IN DUSTRIAL STANDARD Translated and Published by Japanese Standards Association JIS C 5381-311:2004 (IEC 61643-311 :2001) (EMAJIJSA) Components for low-voltage surge protective devices-Specificat ion for gas discharge tubes (GDT) ICs 31.100;33.040.99 Reference number JIS C 5381-311 : 20
2、04 (E) PROTECTED BY COPYRIGHT 12 s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- C 5381-311 : 2004 (IEC
3、61643-311 2001) Foreword This translation has been made based on the original Japanese Industrial Standard established by the Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee ac- cording to the proposal of establishing a Japanese Industrial
4、 Standard from Electronic Materials Manufacturers Association of Japan (EMAJ)/the Japa- nese Standards Association (JSA), with a draft of Industrial Standard based on the provision of Article 12 Clause 1 of the Industrial Standardization Law. This Standard has been made based on IEC 61643-311:2001 C
5、omponents for lo w-voltage surge protective devices-Part 311: Specification for gas dis- charge tubes (GDT) for the purposes of making it easier to compare this Standard with International Standard; to prepare Japanese Industrial Stan- dard conforming with International Standard ; and to propose a d
6、raft of an International Standard which is based on Japanese Industrial Standard. Attention is drawn to the possibility that some parts of this Standard may conflict with a patent right, application for a patent after opening to the pub- lic, utility model right or application for registration of ut
7、ility model after opening to the public which have technical properties. The relevant Minis- ters and the Japanese Industrial Standards Committee are not responsible for identifying the patent right, application for a patent after opening to the public, utility model right or application for registr
8、ation of utility model after opening to the public which have the said technical properties. Date of Establishment: 2004-03-20 Date of Public Notice in Official Gazette: 2004-03-22 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Electronics Technology
9、JIS C 5381-311 : 2004, First English edition published in 2005-01 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2005 All rights
10、reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese St
11、andards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- C 5381-311 : 2004 (IEC 61643-311 : 2001) Contents Page Introduction 1 1 2 3 3.1
12、 3.2 4 4.1 4.2 4.3 4.4 4.5 4.6 5 6 6.1 6.2 6.3 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 Scope . 1 Normative references 2 Definitions and symbols . 2 Definitions 2 Symbols 4 Service conditions 4 Robustness of terminations . 4 Solderability. 4 Low temperature 4 Storage conditions 4 4 Operating condi
13、tions Radiation. 4 Marking 5 Electrical requirements 5 Initial values 5 Values after application 8 Failure rates 8 Test methods and circuits 8 . . . . . . DC sparkover voltage, 9 Impulse sparkover voltage 9 Insulation resistance 10 Capacitance 10 Glow-to-arc transition current, glow voltage, arc vol
14、tage 10 Transverse voltage 12 DC holdover voltage 12 . . . . Circuits and methods for testing the nominal alternating discharge current 14 Circuit and methods for testing the nominal impulse discharge current, waveshape 8/20 ps 14 Circuits and methods for testing the life test with impulse currents,
15、 waveshape 10/1 000 ps 15 . . Annex A (informative) Related standards and bibliography 17 (i PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproducti
16、on or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS C 5381-311 : 2004 (IEC 61643-311 : 2001) Components for low-voltage surge protective devices-Specification for gas discharge tubes (GDT) Introduction This Japanese Industrial Standard has been prepared based o
17、n the first edition of IEC 61643-311 Components for low-voltage surge protective devices-Part 311 .- Specification for gas discharge tubes (GDT) published in 2001 without modifying the technical contents. 1. This part of JIS C 5381 specifies gas discharge tubes (hereafter referred to as “GDTs”) used
18、 for applications up to 1 O00 V a.c. or 1 500 V d.c. in communication or signalling circuits. They are defined as a gap, or series of gaps, in an enclosed dis- charge medium other than air. They are designed to protect apparatus or personnel, or both, from high transient voltages. This Standard does
19、 not specify requirements appli- cable to complete surge protective devices, nor does it specify total requirements for GDTs employed within electronic devices, where precise coordination between GDT performance and surge protective device withstand capability is highly critical. This part of JIS C
20、5381 - deals with GDTs having two or three electrodes; - does not deal with mountings and their effect on GDT characteristics. Characteris- Scope tics given apply solely to GDTs mounted in the ways described for the tests; - does not deal with mechanical dimensions; - does not deal with quality assu
21、rance requirements; - may not be sufficient for GDTs used on high-frequency or multi-channel systems; - does not deal with electrostatic voltages; - does not deal with GDTs connected in series with voltage-dependent resistors in order to limit follow-on currents in electrical power systems; - does n
22、ot deal with hybrid or composite GDT devices. Note : The International Standard corresponding to this Standard is as follows. In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified) and NEQ
23、 (not equivalent) according to ISO/IEC Guide 21. IEC 61643-311:2001 Components for low-voltage surge protective de- vices- Part 31 I : Specification for gas discharge tubes (GDU (IDT) PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS E
24、mployees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 C 5381-311 : 2004 (IEC 61643-311 : 2001) 2. Normative references The following standards contain provisions which, through reference in this Standard
25、, constitute provisions of this Standard. If the indication of the year of coming into effect or the year of publication is given to these referred stan- dards, only the edition of the indicated year constitutes the provision of this Standard but the revision and amendment made thereafter do not app
26、ly. JIS C 60068-2-1:1995 Environmental testing procedures- Part 2 : Tests, Tests A: Cold Note IEC 60068-2-1:1990 is identical with the said standard. Environmental testing- Part 2 : Tests. Tests A: Cold JIS C 60068-2-20:1996 Basic environmental testing procedures- Part 2 : Tests. Test T : Soldering
27、Note : IEC 60068-2-2011979 Environmental testinrpart 2: Tests. Test T: Sol- dering is identical with the said standard. JIS C 60068-2-21:2002 Environmental testing- Part 2-22: Tests- Test U: Robust- ness of termination and integral mounting devices Note : IEC 60068-2-21:1999 Environmental testing- P
28、art 2-22: Tests- Test U: Robustness of terminations and integral mounting devices is identical with the said standard Electromagnetic compatibility (EMC) -Part 4: Testing and JIS C 61000-4-511999 measurement techniques- Section 5: Surge immunity test Note : IEC 61000-4-5: 1995 Electromagnetic compat
29、ibility (EMC) -Part 4: Test- ing and measurement techniques- Section 5: Surge immunity test is iden- tical with the said standard High -voltage test techniques for low voltage equipment- Part 1: IEC 6 1180- 1: 1992 Definitions, test and procedure requirements ITU-T Recommendation K.20:2000 Resistibi
30、lity of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents 3. Denitions and symbols 3.1. apply - Definitions For the purpose of this part of JIS C 5381, the following definitions 3.1.1 lows a current to flow that exceeds the glow-to-arc transition c
31、urrent 3.1.2 flow 3.1.3 arc mode into the glow mode 3.1.4 current turn-off time time required for the GDT to restore itself to a non-conducting state following a period of conduction. This applies only to a condition arc current current that flows after sparkover when the circuit impedance al- arc v
32、oltage (arc mode voltage) voltage drop across the GDT during arc current arc-to-glow transition current current required for the GDT to pass from the PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Be
33、rnie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 C 5381-311 12004 (IEC 61643-311 : 2001) where the GDT is exposed to a continuous specified d.c. potential under a specified circuit condition 3 . 1 . 5 d.c. breakdown voltage, d.c. sp
34、arkover voltage voltage at which the GDT tran- sitions from a high-impedance off to a conduction state when a slowly rising d.c. volt- age is applied 3 . 1 . 6 d.c. holdover in applications where a d.c. voltage exists on a line, a holdover condition is one in which a GDT continues to conduct after i
35、t is subjected to an impulse large enough to cause breakdown. Factors that affect the time required to recover from the conducting state include the d.c. voltage and the d.c. current 3 . 1 . 7 d.c. holdover voltage maximum d.c. voltage across the terminals of a GDT un- der which it may be expected t
36、o clear and to return to the high-impedance state after the passage of a surge, under specified circuit conditions 3 . 1 . 8 GDT discharge current current that flows through a GDT after sparkover oc- curs Note : In the event that the current passing through the GDT is alternating cur- rent, it will
37、be r.m.s. value. In instances where the current passing through the GDT is an impulse current, the value will be the peak value. 3 . 1 . 9 discharge voltage peak value of voltage that appears across the terminals of a GDT during the passage of GDT discharge current 3.1.10 discharge voltage current c
38、haracteristic variation of peak values of discharge voltage with respect to GDT discharge current 3.1.11 gas discharge tube gap, or gaps, in an enclosed discharge medium, other than air at atmospheric pressure, designed to protect apparatus or personnel, or both, from high transient voltages 3 . 1 .
39、 1 2 current that flows after breakdown when the circuit impedance limits the follow current to a value less than the glow-to-arc transition current glow current (glow mode current) 3 . 1 . 1 3 glow-to-arc transition current current required for the GDT to pass from the glow mode into the arc mode 3
40、 . 1 . 1 4 glow voltage - relative humidity: 30 % to 90 %. 4 . 5 Operating conditions GDTs shall be capable of withstanding the following condi- - Temperature: -40 “C to+70 “C. 4 . 6 Radiation The emerging radiation from any radioactive matter used to PROTECTED BY COPYRIGHT Copyright Japanese Standa
41、rds Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 C 5381-311 : 2004 (IEC 61643-311 2001) pre-ionize the GDTs shall be within the li
42、mits specified as admissible in the regula- tions concerning protection from radiation which are issued by the country of manu- facture as well as of the user. This provision applies both to an individual GDT as well as to a batch of GDTs (for example, when packed in a cardboard box for dispatch, st
43、or- age, etc.). The supplier of GDTs containing radioactive material shall provide recommenda- tions complying with “Regulations for the safe transpost of radioactive materials” of the International Atomic Agency (IM) and with all other relevant international re- quirements, on the following matters
44、: a) maximum number of items per package; b) maximum quantity per shipment; c) d) any other storage requirements; e) handling precautions and requirements; f disposal arrangements. maximum quantity which may be stored together; 5. Marking Legible and permanent marking shall be applied to the GDT as
45、neces- sary to ensure that the user can determine the following information by inspection: a) manufacturer, or logo of manufacturer (including abbreviations); b) year of manufacture, and month if required by the user; c) kind of radioactive material if used; d) nominal d.c. sparkover voltage; e) typ
46、e number, if required by the user. The necessary information can also be coded. 6. mum requirements. Users may spec* different values. 6.1 Initial values Electrical requirements All electrical requirements in this Standard are mini- 6.1.1 Sparkover voltages The sparkover voltages between electrodes
47、A and C of a two-electrode GDT (figure 1) or between either line electrode (A or B) and the earth electrode (C) of a three-electrode GDT (figure 2) shall be within the limits shown in ta- ble l. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALic
48、ensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 23:40:03 MDTNo reproduction or networking permitted without license from IHS -,-,- 6 C 5381-311 : 2004 (IEC 61643-311 : 2001) Table 1 DC and impulse sparkover requirements, initial Unit : V Preferred nominal d.c. sparkover voltage at 100 VIS A-C or AIB-C 70 9011 9012 150 20011 20012 23011 23012 23013 250 300 35011 35012 420 500 600 800 1 O00 1400 1800 * * * * * * * * * Values of sp. kover voltage, initial 100 VIS to 2 bVIs Min. Max. 56 84 72 108 72 108 120 180 160 240 160 240 184 276 180 300 184 276 200 300 240 3