在诸多电路保护器件中贴片压敏电阻器作为家族成员之一，压敏电阻在智能设备以及信号通讯等领域的应用是非常广泛的，作为一种保护元件。主要封装有：0201;0402；0603；0805；1206；1210；1812；2220；3220；08ch
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