Pentium 4 Microprocessor Datasheet

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Products / Microprocessors / Desktop&Servers / 037862

For Use With the Pentium 4 processor™
(423 Pin, Xeon, Foster, Prestonia, Gallatin)

Features and Benefits

Designed to Cool up to 135W
Design is Adaptable to Meet Demanding Applications
High Thermal Performance vs. Cost
Low Mass (315g)
Low Pressure Drop Design
Open Design Allows for Multiple Airflow Directions
Robust Design Uses Multiple Heat Pipes
High Performance Grease Interface Std.
Std. CS64 Clips sold Separately

P4-4U High Performance Heat Sink

Mechanical Outline Drawing

P4-U4High Performance Heat Sink

Easily Customizable Features

Optimization of Fin Spacing to Your Application
Multiple Fin Spacing or Fin Elimination Can Be Used to put Surface Area in High Power Regions
Change Aluminum Base to Copper for a 2-4% Performance Increase (Adds 225g)
Low Cost Base Designs Available for High Volume Production
Customize heat sink overall height

Other Possible Alterations

Customized Fins (thickness, length, width, etc)
Use of OptiFins for Increased Shock / Vibration Resistance
Utilize Basic Concept for Other Processes & High Power Telecommunications or Power Devices

Thermal Performance
Test Performed With Heat Pipes in the Vertical Orientation
Typical Case-sink interface resistance = 0.02 to 0.04 °C/W
Test results are based on using a 31mm X 31mm isothermal heat source.

037862