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18v开关电源谁知道多少钱？

浏览：36次 | 提问时间： 07-10 08:45
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3个答案
阳光下的苞米虫 07-10 08:46

18v开关电源是216元，开关电源和线性电源相比，二者的成本都随着输出功率的增加而增长，但二者增长速率各异。线性电源成本在某一输出功率点上，反而高于开关电源。
价格来源网络仅供参考

伤我你配吗 07-10 08:54

L-200S18，198W，直流18V，11A。¥153.00。质量很好，做工精细，颜色也好看，框架也很结实，没有什么气味，很实用，满意！。价格来源网络，仅供参考。

六屿 07-10 09:03

18v开关电源价格为60元，确定电源使用的环境温度，选择适合的开关电源模块。开关电源厂家一般给出的温度是电源模块的壳温，如-25—+85度，那么85度表示电源外壳温度最高可以达到85度，如果超过85度，电源就可能进入保护状态或损坏。在选择电源时一定要考虑自身的环境温度和电源的工作效率，效率高温升就低，反之效率低温升就高。
以上价格来源于网络，仅供参考

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