ANSI ESD S8.1-2021符号.pdf

ANSI/ESD S8.1-2021 Revision of ANSI/ESD S8.1-2017 For the Protection of Electrostatic Discharge Susceptible Items Symbols Electrostatic Discharge Association 7900 Turin Road, Bldg. 3 Rome, NY 13440-2069 An American National Standard Approved May 13, 2021 ANSIESD S8.1-2021 ESD Association Standard for Protection of Electrostatic Discharge Susceptible Items Symbols Approved November 11, 2020 EOS/ESD Association, Inc. ANSI/ESD S8.1-2021 Electrostatic Discharge Association (ESDA) standards and publications are designed to serve the public interest by eliminating misunderstandings between manufacturers and purchasers, facilitating the interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining the proper product for his particular needs. The existence of such standards and publications shall not in any respect preclude any member or non-member of the Association from manufacturing or selling products not conforming to such standards and publications. Nor shall the fact that a standard or publication that is published by the Association preclude its voluntary use by non-members of the Association, whether the document is to be used either domestically or internationally. Recommended standards and publications are adopted by the ESDA in accordance with the ANSI Patent policy. Interpretation of ESDA Standards: The interpretation of standards in-so-far as it may relate to a specific product or manufacturer is a proper matter for the individual company concerned and cannot be undertaken by any person acting for the ESDA. The ESDA Standards Chairman may make comments limited to an explanation or clarification of the technical language or provisions in a standard, but not related to its application to specific products and manufacturers. No other person is authorized to comment on behalf of the ESDA on any ESDA Standard. THE CONTENTS OF ESDAS STANDARDS AND PUBLICATIONS ARE PROVIDED “AS-IS,” AND ESDA MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, OF ANY KIND, WITH RESPECT TO SUCH CONTENTS. ESDA DISCLAIMS ALL REPRESENTATIONS AND WARRANTIES, INCLUDING WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR USE, TITLE, AND NON-INFRINGEMENT. ESDA STANDARDS AND PUBLICATIONS ARE CONSIDERED TECHNICALLY SOUND AT THE TIME THEY ARE APPROVED FOR PUBLICATION. THEY ARE NOT A SUBSTITUTE FOR A PRODUCT SELLERS OR USERS OWN JUDGEMENT WITH RESPECT TO ANY PARTICULAR PRODUCT DISCUSSED, AND ESDA DOES NOT UNDERTAKE TO GUARANTEE THE PERFORMANCE OF ANY INDIVIDUAL MANUFACTURERS PRODUCTS BY VIRTUE OF SUCH STANDARDS OR PUBLICATIONS. THUS, ESDA EXPRESSLY DISLAIMS ANY RESPONSIBILITY FOR DAMAGES ARISING FROM THE USE, APPLICATION, OR RELIANCE BY OTHERS ON THE INFORMATION CONTAINED IN THESE STANDARDS OR PUBLICATIONS. NEITHER ESDA, NOR ITS MEMBERS, OFFICERS, EMPLOYEES, OR OTHER REPRESENTATIVES WILL BE LIABLE FOR DAMAGES ARISING OUT OF, OR IN CONNECTION WITH, THE USE OR MISUSE OF ESDA STANDARDS OR PUBLICATIONS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. THIS IS A COMPREHENSIVE LIMITATION OF LIABILITY THAT APPLIES TO ALL DAMAGES OF ANY KIND, INCLUDING, WITHOUT LIMITATION, LOSS OF DATA, INCOME OR PROFIT, LOSS OF OR DAMAGE TO PROPERTY, AND CLAIMS OF THIRD PARTIES. Published by: Electrostatic Discharge Association 7900 Turin Road, Bldg. 3 Rome, NY 13440 Copyright 2021 by EOS/ESD Association, Inc. All rights reserved No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. Printed in the United States of America ISBN: 1-58537-324-9 CAUTION NOTICE DISCLAIMER OF WARRANTIES DISCLAIMER OF GUARANTY LIMITATION ON ESDAs LIABILITY ANSI/ESD S8.1-2021 (This foreword is not part of ESD Association Standard ANSI/ESD S8.1-2021) FOREWORD Many symbols have been used over time to designate susceptibility, protectability, and common point ground. This document describes the three symbols that have been widely used since the early 1990s and have gained acceptance globally. The symbols have been used by military and commercial organizations and appear in international standards related to electrostatic control. This standard1 was originally designated EOS/ESD S8.1-1993 and approved on June 9, 1993. ANSI/ESD S8.1-2001 was a reaffirmation of EOS/ESD S8.1-1993 and was approved on September 9, 2001. ANSI/ESD S8.1-2007 was a reaffirmation of ANSI/ESD S8.1-2001 and was approved on September 16, 2007. ANSI/ESD S8.1-2012 is a revision of ANSI/ESD S8.1-2007 and was approved on June 10, 2012. ANSI/ESD S8.1-2017 was a revision of ANSI/ESD S8.1-2012 and was approved on December 7, 2016. ESD WIP8.1-2020 is a revision of ANSI/ESD S8.1-2017 and was approved on November 11, 2020. ANSI/ESD S8.1-2021 was reviewed and revised by EOS/ESD Association, Inc.s Technical and Administrative Support Committee. At the time ANSI/ESD S8.1-2021 was prepared, EOS/ESD Association, Inc.s Technical and Administrative Supp