标准摘要
[中文适用范围]： IEC 61837 的这一部分涉及标准外形和端子引线连接，因为它们适用于金属外壳中用于频率控制和选择的 SMD，并且基于 IEC 61240。 [外文原描述]： Deals with standard outlines and terminal lead connections as they apply to surface mounted devices for frequency control and selection in metal enclosures and is based on IEC 61240.
英文名称Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 3: Metal enclosures