EN 61837-2:2000 Surface Mounted Piezoelectric Devices for Frequency Control and Selection - Standard Outlines and Terminal Lead Connections Part 2: Ceramic Enclosures
2011EN 61837-2:2011 Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (Incorporates Amendment A1: 2014)
2000EN 61837-2:2000 Surface Mounted Piezoelectric Devices for Frequency Control and Selection - Standard Outlines and Terminal Lead Connections Part 2: Ceramic Enclosures