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Power Over Ethernet Interoperability Guide by Sanjaya Maniktala

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Thermal Management
Historically, the basic equation for the heat transfer process was
image
The equations are analogous to the well-known electrical equation (Ohm’s law):
image
Therefore the following electrical to thermal analogy was proposed:
ResistanceimageThermal Resistance
VoltageimageTemperature              
CurrentHeat Dissipation        
On the basis of ...

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