高频感应元件.电气特性和测量方法.第2部分:直流对直流变流器用感应器的额定电流

[中文适用范围]： IEC 62024的本部分规定了小型电感器额定直流电流限值的测量方法。用于确定额定值的标准化测量方法使用户能够准确比较各个制造商数据手册中给出的当前额定值。本标准适用于尺寸符合 IEC 62025-1 且通常额定电流小于 22 A 的引线式和表面贴装电感器，但额定电流大于 22 A 的电感器也可符合本标准的尺寸限制（无约大于 12 毫米 x 12 毫米占地面积）。这些电感器通常用于 PCB 上构建的 DC-DC 转换器、电气和电信设备以及小型开关电源装置。测量方法由仅由直流电引起的饱和度和温升限制来定义。 [外文原描述]： IEC 62024-2:2008 specifies the measuring methods of the rated direct current limits for small inductors. Standardized measuring methods for the determination of ratings enable users to accurately compare the current ratings given in various manufacturers' data books. This standard is applicable to leaded and surface mount inductors with dimensions according to IEC 62025-1 and generally with rated current less than 22 A, although inductors with rated current greater than 22 A are available that fall within the dimension restrictions of this standard (no larger than 12 mm x 12 mm footprint approximately). These inductors are typically used in DC to DC converters built on PCB, for electric and telecommunication equipment, and small size switching power supply units. The measuring methods are defined by the saturation and temperature rise limitations induced solely by direct current.