Heatsink Calculator
Calculate heatsink thermal requirements for proper component cooling.
Thermal Parameters
Required Heatsink
7.00 C/W
Theta SA (thermal resistance)
Margin: 0.0 C
Temperature Distribution
Junction Temperature125.0 C
Case Temperature115.0 C
Heatsink Temperature110.0 C
Thermal Resistance Chain
Theta JC1 C/W
Theta CS (interface)0.5 C/W
Theta SA (heatsink)7.00 C/W
Total Theta JA8.50 C/W
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.