| 贴片电感的辨识方法 |
| 添加时间：2019/8/29 14:38:52 浏览次数： |
| 贴片电感的辨识方法： Identification method of patch inductor: 1）从外型，如带磁心方形或圆形电感，体积稍大，能看出磁心和线圈； 1) From the appearance, such as square or circular inductance with core, the volume is slightly larger, and the core and coil can be seen. 2）有的贴片电感从外形上与贴片电阻一样，但没有数字与字母标注，只有一个小圆圈的标注，意为电感元件； 2) Some patch inductors have the same shape as patch resistors, but there is no numeric and alphabetical labeling, only a small circle labeling, meaning inductor elements; 3）在电路中的元件序号，往往标为L字样，如“L1”、“DL1”等。 3) The serial number of the components in the circuit is often marked with L, such as "L1" and "DL1". 4）有电感量标注，如100。 4) Inductance labeling, such as 100. 5）理想电感的交流电阻较大，而直流电阻为零。电感元件的测量电阻值极小，电阻值近于为零欧姆。从3）、4）、5）项，配合观察和测量（在电路中的位置和作用），能区别出元件是贴片电阻还是贴片电感，并判定出电感元件。 5) The AC resistance of ideal inductor is larger, while the DC resistance is zero. The measured resistance of the inductor is very small, and the resistance is close to zero ohm. From items 3, 4 and 5, combined with observation and measurement (position and function in the circuit), the patch resistance or inductance can be distinguished, and the inductance component can be determined. 6）用专用电感量测试仪，将元件脱开电路，测量其电感量。 6) The inductance of the component is measured by a dedicated inductance measuring instrument, which disconnects the circuit. |
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