IEC 61837-2:2000 pdf free download – Surface mounted piezoelectric devicesfor frequency control and selection – Standard outlines and terminal lead connections
1Scope
This part of lEC 61837 deals with standard outlines and terminal lead connections as theyapply to SMDs for frequency control and selection in ceramic enclosures,and is based on IEC 61240.
2Normative references
The following normative documents contain provisions which，through reference in this text,constitute provisions of this part of lEC 61837.For dated references,subsequent amend-ments to，or revisions of，any of these publications do not apply. However，parties toagreements based on this part of lEC 61837 are encouraged to investigate the possibility ofapplying the most recent editions of the normative documents indicated below. For undatedreferences, the latest edition of the normative document referred to applies.Members of lECand lSO maintain registers of currently valid lnternational Standards.
IEC 61240:1994,Piezoelectric devices – Preparation of outline drawings of surface-mounteddevices (SMD) for frequency control and selection -General rules
5 Ceramic enclosure dimensions
The dimensions given in this standard apply to all completed SMD-devices for frequencycontrol and selection. Only those dimensions are given which meet the requirements ofIEC61240.
6 Lead connections
Recommendations for the lead connections of all completed SMD-devices for frequencycontrol and selection are given in the following individual sheets. Lead connections shailalways be given in the detail specification.
7 Designation of ceramic enclosures
The following table sets out the designation of the ceramic enclosures, as outlined in theensuing specification sheets.