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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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MOSFET，IGBT和双极晶体管均未指定Rth（ch-a）和Rth（j-a）。 这是为什么？
由于通常在自立式功率器件中安装散热器，因此我们提供了Rth（ch-c）和Rth（j-c）。 （某些产品中有例外。）
对于更为精确的热计算，通常采用通道到外壳（或结到外壳）的热阻值而不是通道到环境（或结到环境）的热阻值。如有规定，请确认使用Rth（ch-c）或Rth（j-c）。
散热片的热设计和安装：功率MOSFET应用说明（PDF：1,061KB）