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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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当光耦作为“隔离”手段安装在设备中以确保安全(例如,防止人体遭电击)时,光耦可能会受到安全标准的限制。包括用于确保安全的标准和准则在内,与电力相关的各类项目均已标准化。安全标准分为适用于最终产品的设备标准以及适用于单个光耦的元器件标准。
每个国家都有基于国际电工委员会(IEC)标准制定的自有安全标准。典型的标准包括美国的UL标准、德国的VDE标准和英国的BSI标准。适用于光耦的美国UL标准和德国VDE标准对测量输入-输出绝缘性能的测试方法和验收标准有完全不同的定义。
有关详情,另见东芝应用说明《Safety Standards for Photocouplers》第1至3章。
(https://toshiba.semicon-storage.com/cn/semiconductor/knowledge/application-note.html)