什么是色环电感，色环电感与色环电阻的区别以及色环电感的作用及应用

时间： 2024-10-27 来源：祥如电子官网

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什么是色环电感

色环电感又称电感量，也是色环电感的俗名，指的是是在给定电位差下的电荷储藏量，色环电感的基本单位是通常是用"亨利（H）"。一般来说，电荷在电场中会受理而移动，但当导体之间有了介质，则阻碍了电荷移动而使得电荷积聚在导体上，造成电荷的积聚储存，最常见的例子就是两片平行金属板。色环电感是表征电感器容纳电荷本身的物理量，一般我们把电感器的两端板间的电势差增加1伏所需的电量叫做电容器的电容。色环电感从物理学上将，它是一种静态电荷存储介质（就像一只水桶一样，你可以把电荷充村进入，在没有放电回路的情况下，刨除介质漏电自放电效应/色码电感衡量显著，可能电荷会永久存在，这是它的特征）色环电感的用处较广，它是电子，电力领域中不可缺少的电子元件。

色环电感常用在彩电，显示器，计算机，电脑，高清晰度电视BS调解器，收录机，手机数字机顶盒，蓝牙耳机，液晶电视，汽车电子，汽车音响，工业控制。

色环电感的额定电流基于温度上升不得超过200℃，他的工作温度范围一般在-200℃到800℃之间，色环电感的绝缘电压（击穿电压）在250 v r .m.s。色环电感具有耐潮湿及耐热的特性。

色环电感是用具有特殊铁芯材质制成的，具有高Q值及自共振频率，良好的可焊性，有优良的机械强度，可自动插件的特点，色环电感的外层是用环氧树脂处理的，它的可靠度很高，色环电感的电感范围大。

色环电感的标注方法基本与色环电阻是一致的，只是从外观上面看上去，色环电感比色环电阻看上去会更加粗一些，色环电感饿两头尖，中间大，色环电感的读数和色环电阻的读数是一样的，但是色环电感的单位为亨利（H）毫亨（mH）微亨（uH），色环电阻的基本单位是欧姆（Ω）。色环电感颜色代表的数字有棕色是1，红色是2，橙色是3，黄色是4，绿色是5，蓝色是，紫色是7，灰色是8，白色是9,，黑色是0。

色环电感的作用：

耦合，色环电感的两个导体之间有一层绝缘物质，电荷不能通过，两边的导体在电场的作用下，积聚了异性电荷，如果是直流电，充上电就不会再有电流，这即使隔直流作用，如加交流电，由于电容的充放电作用，就会随之电压方向的不同，充电电荷也不时变化，电流跟着变化，一充一放，好像电流通过电容似的；谐振，调谐回路是色环电感的并联回路，色环电感的电流不能跃变，就形成了外界没有电压时回路还有电流流向电容充电，等色环电感的电势能释放完，电容曾经充上电荷，又向电感放电，电感又方向给电容充电，这么就形成振荡，如果外界信号频率与这个回路的振荡频率等同，就引起共振；选频，能够用来调谐和滤波，这个回路里发生的是电势能（在电感里）变电场能（在电容里）电场能（在电容里）变电势能（在电感里），延时是利用在电容回路里串电阻，限制充电电流，达到电容充满电必要时间来达到延时的。

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本文由莫子若转载自祥如电子官网，原文标题为:什么是色环电感，色环电感与色环电阻的区别以及色环电感的作用及应用，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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数据手册 - 祥如电子 - 2024-08-13 PDF 中英文下载

电子元件热点跟踪丨2023-2028年，全球电感器的市场规模的年均增幅约为6.0%

近日，电子元器件市场研究机构智多星顾问发布了《2024年版中国电感器市场竞争研究报告》。报告显示，2023年，受经济环境严峻影响，计算机、高端装备、通信设备、工业设备和医疗电子等领域用电感器市场都出现了不同程度的下滑。但新能源车市场、光伏、储能和新能源充电桩建设等领域需求火爆，拉动了汽车电子和电力与能源领域继续保持高速增长。

行业资讯发布时间 : 2024-07-23