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Standard

NEK EN 61240:2017

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Abstract

IEC 61240:2016(E) sets out general rules for drawing all dimensional and geometrical characteristics of a surface-mounted piezoelectric device package (referred to in this document as SMD) in order to ensure mechanical inter-changeability of all outline drawings of the SMDs for frequency control and selection. This edition includes the following significant technical changes with respect to the previous edition:- outline drawings have been changed from three views (top, front and bottom) to that based on ISO layout in the third-angle projection, in which the view from the right has been added to the top, front and bottom views;- reference line and geometrical dimensions of the package for enclosures have been changed for practical use;- information on miniaturized leadless ceramic enclosures of piezoelectric devices (SMD) for frequency control and selection has been included in an annex.

Document information

  • Standard from NEK
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 31.140
  • National Committee NEK/NK49

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