Design Data Sheet for Air Cooled Heat Sinks

Please answer as many questions as possible to aid in the design of your heat sink.
Name: *
Company Name: *
Address: *
 
New or
Existing Design?
Phone: *
Extension:
E-mail Address: *
Approximate
Production Qty?
*
SIZE/SPACE Available:
Length: Width: Height:
HEAT LOAD:
Total Watts: Fin Orientation:
Device Data:
List each power dissipation device
Device Type Case Style Quantity Dissipation per Unit (Watts) Device Rth_ j-c (C/W) Tj max (C)
HEAT SINK DESIGN PERFORMANCE REQUIREMENTS
Maximum ambient air temperature? (C/F)
Maximum heatsink temperature
at device mounting surface?
(C/F)
Is weight significant?    Yes    No
What is the maximum allowable weight?
Heatsink material preference?    Aluminum    Copper
What type of convection is required?   Forced   Natural
Special Considerations:
If forced convection is required, please
provide fan data or air flow availability.
Fan Manufacturer:
Fan Model:
Fan Supply Voltage:
Flow Rate: CFM
  or l/min
Pressure Loss: inches of water
  or PSI
What material finish is required on the heat sink?
(anodize, black oxide, paint, chromate, other)

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