IEC-61837-1 Complete Document History
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 1: Plastic moulded enclosure outlines

Complete Current Edition:
   EDITION 2.0 - outlines and terminal lead connections - Part 1: Plastic mou - April 20, 2012

Obsolete Revision Information:
   1ST EDITION - FREQUENCY CONTROL & SELECTION - May 1, 1999