Calculator Natural Convection
Ambient Conditions
Ambient Temperature (C)
Altitude above Sea Level, (m)
Radiation (On-Off)
On
Off
Material Properties
Base Material (Al / Cu / HP / VC)
AI
Cu
HP
VC
Fins Material (Al / Cu)
AI
Cu
Emissivity of Fin Material
Heat Sink Dimensions
Base Length (mm),
Base Width (mm),
Base Height (mm),
Overal Height of Heat Sink(mm),
Fin Thickness (mm),
Package Information
Number of Packages
1
2
3
4
Heat Source Height (mm),
Heat Source Length (mm),
Heat Source Width (mm),
X position of Heat Source (mm),
Y position of Heat Source (mm),
Total Heat Dissipated (W),
TIM Thickness (mm), Thk_TIM
TIM Conductivity (W/m. K)
Package Theta JC (C/W)
Package Theta JB (C/W)
Variables
Minimum Number of Fins
Selected Number of Fins to Display Temperature Contour
Input values for PCB
Thickness of PCB (mm)
Number of Copper Layer
Thermal Result
