Pcb thermal considerations

Thermal Management Considerations for PCBs Measurement techniques and heat conduction Dr Graham Berry

Apple Apps for Thermal Engineers Gear1-Convection is comprised of three natural convection and three forced convection calculators. It is a visual application designed for touch-based interaction. This provides an instant sensitivity analysis to determine which parameters are the most important. Gear2-Materials is an encyclopedia in your pocket for Thermo-Physical properties of over 1,300 materials. These properties include: Density, Specific Heat, and Thermal Conductivity. Gear3-Finishes is an encyclopedia in your pocket for Thermo-Physical surface properties of hundreds of materials. If you need properties for Asphalt Shingles, Second Surface Silvered Teflon. or even a Deciduous Forest, you can find it here!

Thermal Resistance ,[object Object],[object Object],[object Object]

Thermal resistance calculation ,[object Object],[object Object],[object Object],[object Object]

TSP Calibration ,[object Object],[object Object],[object Object]

Temperature coefficient ,[object Object],[object Object]

Calibration graph ,[object Object]

Thermal resistance measurement ,[object Object],[object Object],[object Object],[object Object]

Thermal resistance measurements ,[object Object],[object Object]

Thermal resistance measurements ,[object Object]

Test ambient ,[object Object],[object Object],[object Object],[object Object],[object Object]

Air flow tests ,[object Object],[object Object],[object Object],[object Object]

Test setups Test device on board Air flow test setups

 JC Tests ,[object Object],[object Object],[object Object]

 JC data ,[object Object],[object Object]

Other factors affecting  JC ,[object Object],[object Object],[object Object],[object Object]

 JA data ,[object Object],[object Object]

Heatsinks ,[object Object],[object Object],[object Object],[object Object]

Interface roughness ,[object Object],[object Object]

Surface roughness ,[object Object],[object Object],[object Object],[object Object]

Solid interfaces ,[object Object]

Heat Conduction in a PCB ,[object Object]

Heat conduction in PCB ,[object Object],[object Object],[object Object]

Conductivity Equations where t is thickness of given layer and  is thermal conductivity of that layer

Sample results ,[object Object],[object Object],[object Object],[object Object]

Conclusions from results ,[object Object],[object Object],[object Object]

Refining calculations ,[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object]

Thermal Analysis Software ,[object Object],[object Object],[object Object],http://www.pcanalyze.com/product.htm

Pcb thermal considerations

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