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If the power consumption exceeds 2 W, the thermal resistance must be lower than that. For example, shall we consider a case where this device consumes 3 W at an ambient temperature of up to 80°C?

April 26, 2017consumption exceeds lower power resistance shall Thermal

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If the power consumption exceeds 2 W, the thermal resistance must be lower than that. For example, shall we consider a case where this device consumes 3 W at an ambient temperature of up to 80°C?

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To transfer a heat generation of 3 W at a temperature difference of 70°C (= 150°C – 80°C), the value of θj-a must be as follows or less.