How to calculate CODACA inductor's copper loss contribution to operating temperature rise for DC current?

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2025-05-26

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The operating temperature is different from the storage temperature in that it accounts for the component’s self temperature rise caused by the winding loss from a given DC bias current. This power loss is referred to as the “copper” loss and is equal to:

Power Loss = (DCR) （How to calculate CODACA inductor's copper loss contribution to operating temperature rise for DC current?）

The power loss is equal to the square of the current multiplied by the resistance of the wire (I2 R). This power loss is transferred into heat.


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