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 SMD，用于塑料模制外壳中的频率控制和选择，并且基于 IEC 61240。 [外文原描述]： IEC 61837-1:2012 deals with standard outlines and terminal lead connections as they apply to SMDs for frequency control and selection in plastic moulded enclosures and is based on IEC 61240. This publication is to be read in conjunction with IEC 61240:1994 .
英文名称Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 1: Plastic moulded enclosure outlines