knikhil271083
Member level 2
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Hi,
Can anybody let me know how to calculate the thermal resistivity of a PCB? I want to calculate the effect of heating of a high wattage SMD resistor on the heat dissipation of PCB .
I have referred to the manufacturer's datasheet for the FR4 material used for manufacturing PCB, but it only mentions the Thermal Conductivity. I have attached the datasheet of the PCB material for reference.
Is the regular formula for electrical conductivity (R=ρl/A) applicable to thermal conductivity too?
Thanks in advance for help!
Regards
Nikhil
View attachment isola_370HR.pdf
Can anybody let me know how to calculate the thermal resistivity of a PCB? I want to calculate the effect of heating of a high wattage SMD resistor on the heat dissipation of PCB .
I have referred to the manufacturer's datasheet for the FR4 material used for manufacturing PCB, but it only mentions the Thermal Conductivity. I have attached the datasheet of the PCB material for reference.
Is the regular formula for electrical conductivity (R=ρl/A) applicable to thermal conductivity too?
Thanks in advance for help!
Regards
Nikhil
View attachment isola_370HR.pdf