Calculateur en ligne gratuit

Dissipateur / thermique

Ouvrir le calculateur

Exemple Heatsink must be 18 °C/W or better — the sink then sits at 115 °C and the case at 117.5 °C (total budget 20 °C/W)

$R_{\mathrm{sa}}=\frac{T_j-T_a}{P}-R_{\mathrm{jc}}-R_{\mathrm{cs}}$ — the heatsink only gets what is left of the budget after the package and the interface have taken theirs.