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    I.S. EN 60191-1:2007

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    MECHANICAL STANDARDIZATION OF SEMICONDUCTOR DEVICES - PART 1: GENERAL RULES FOR THE PREPARATION OF OUTLINE DRAWINGS OF DISCRETE DEVICES

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  27-02-2021

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 General rules for all drawings
      4.1 Drawing layout
      4.2 Dimensions and tolerances
      4.3 Methods for locating the datum
      4.4 Numbering of terminals
    5 Additional rules
      5.1 Rules for device and case outline drawings
      5.2 Rules to specify the dimensions and positions of terminals
      5.3 Rules for gauge drawings
    6 Inter-conversion of inch and millimetre dimensions and rules
      for rounding off
    7 Rules for coding
    Annex A (informative) Reference letter symbols
    Annex B (normative) Standardization philosophy
    Annex C (informative) Rules to specify the dimensions and
            positions of terminals on a base drawing
    Annex D (normative) General philosophy of flat base devices
    Annex E (informative) Examples of semiconductor device drawing
    Annex F (informative) Former rules for rounding off
    Annex G (informative) Former rules for coding
    Bibliography

    Abstract - (Show below) - (Hide below)

    Presents guidelines on the preparation of outline drawings of discrete devices.

    General Product Information - (Show below) - (Hide below)

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 5459:2011 Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems
    IEC 60191-6:2009 Mechanical standardization of semiconductor devices - Part 6: General rules for the preparation of outline drawings of surface mounted semiconductor device packages
    IEC 60191-2:2012 DB Mechanical standardization of semiconductor devices - Part 2: Dimensions
    ISO 261:1998 ISO general purpose metric screw threads General plan
    ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa
    IEC 60191-4:2013 Mechanical standardization of semiconductor devices - Part 4: Coding system and classification into forms of package outlines for semiconductor device packages
    ISO 263:1973 ISO inch screw threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in
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