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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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什么是半导体？
下载“第Ⅰ章：半导体基础” (PDF:894KB)
“半导体”是一种特性介于“导体”和“绝缘体”之间的物质，前者像金属一样导电，后者几乎不导电。电流流动的容易程度与物质电阻的大小有关。如果电阻高，电流很难流动；如果电阻低，电流容易流动。
用电阻系数表示电导率时，半导体的电阻系数分布在10-4至108Ωcm之间，导体的电阻系数分布在10-8至10-4Ωcm之间，绝缘体的电阻系数分布在108至1018Ωcm之间。
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