山东德庆22P1-42-8/3电阻器 理想的电阻器是线性的通过电阻器的瞬时电流与外加瞬时电压成正比

电阻器的选型

   1.，如金属膜也阻器、碳膜电阻器和线绕电阻器。

   2.针对电路的工作频率选用不同类堪的电阻器。绕线电阻器的分布参数较大，即使采用无感绕制的绕线电阻器，其分布参数也比非绕线电阻器大得多，因而绕线电阻不适合在高频电路中工作。在低于50kHz 的电路中，由于电阻器的分布参数对电路工作影响不大，可选用绕线电阻器。

3.在高频电路中的电阻器，要求其分布参数越小越好。所以，在高达数百兆赫的高频电路中应选用碳膜电阻器、金属膜电阻器和金属氧化膜电阻器。在超高频电路中，应选用超高频碳膜电阻器。

  电阻器的型号

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