Use the following calculator to analyze and search for HeatSinkUSA's heat sinks that meet your performance criteria. By using this calculator you agree to the Terms of Service

calculator_heatsinkusa
Options

Design custom heat sink

Search vendor heat sinks


Select default and results dimensions:

Length:

Temperature:

Weight:

Velocity:

Volumetric Flow Rate:

Pressure:

Power:

Thermal Conductivity:

Thermal Resistance:

Dimensions/Optimization

 [Number of fins]


Minimize the source temperature by changing:

b: min     max

t: min     max

s: min     max

Note: Optimization is only available with natural convection or a fan curve input. Why?


Predefined Materials:

Thermal conductivity:

Specify the maximum allowable heat sink dimensions

H: max

L: max

W: max


Select vendors to search:

(Select All)

All Axis Machining

Fischer Elektronik

Heat Sink USA

Thermo Cool


Show results with a maximum source temperature of:

Air Flow

Ambient Temperature:

   


Radiation

Emissivity:

Custom Emissivity:

Vendor Specified Emissivity


Natural convection

Forced convection

Approach velocity:   

Volumetric flow rate:

Fan Curve:

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Clear Data

Note: All the air flow is assumed to pass between the
fins of the heat sink

Power Source


Thermal Interface

Material Thickness

Thermal Conductivity


Rth-jc:

Calculate

Calculating
Dimensions/Materials
Height (H) []:
Length (L) []:
Width (W) []:
Base Thickness (b) []:
Fin Thickness (t) []:
Number of fins:
Fin Spacing (s) []:
Material Thermal Conductivity []:
Material:
Air Flow/Radiation
Heat Transfer Mode:
Emissivity:
Heat Sink Orientation:
Convection Dissipation []:
Radiation Dissipation []:
Approach Velocity []:
Volumetric Flow Rate []:
Pressure Drop []:
Power Source
Source Length []:
Source Width []:
Heat Source Power []:
Interface Thickness []:
Interface Conductivity []:
Junction to Case Resistance []:
Thermal Parameters
Ambient Temperature []:
Source Temperature []:
Temperature Difference []:
Heat Sink Thermal Resistance []:
Air Flow/Radiation
Ambient Temperature []:
Heat Transfer Mode:
Heat Sink Orientation:
Approach Velocity []:
Flow Rate: []:
Power Source
Source Length []:
Source Width []:
Heat Source Power []:
Interface Thickness []:
Interface Conductivity []:
Junction to Case Resistance[]:

Click the header to sort the corresponding column

online heat sink design software