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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.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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3-1.二极管的分类
二极管可大致分为pn结二极管和金属半导体结二极管。图3-1显示了东芝提供的二极管的分类。
下一小节将肖特基势垒二极管（SBD）与其它类型的二极管进行了对比。整流器和开关二极管(*)是最常用的pn结二极管。快速恢复二极管（FRD）是掺杂了重金属的整流二极管，与典型整流二极管相比，FRD的反向恢复时间更短。
*开关二极管是一种适用于开关小信号（最高100mA和50V）的pn结二极管。大多数开关二极管采用小型贴片封装。
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