S801-4500-279

The Crater Lake Series

Cold Forged Round Pin Heat Sink

45 X 45 X 27.9 mm

 

Features and Benefits

  • Designed for low- to medium-airflow environment (good for natural convection, limited airflow, fan failure, highly populated PCB, etc.)
  • Forged from highly conductive pure aluminum (240 W/m-K)
  • Omni-directional (allowing air to come from any direction)
  • Low pressure drop (improving downstream velocity and temperature fields)
  • Overall height can be customized (without increasing cost)
  • Secondary operation available (to modify shape, add holes, eliminate or shorten certain pins, etc.)
  • RoHS compliant
  • Cost effective
S801-4500-279 Cold Forged Round Pin Heat Sink

Mechanical Drawing

Mechanical Drawing of Round Pin Heat Sink

Thermal Performance Curve

Thermal Performance of Round Pin Heat Sink

Mechanical and Thermal Specs

PropertyValueUnit
Width45.0mm
Length45.0mm
Height27.9mm
Weight27.8g
θSA (natural)3.83°C/W
θSA (200 LFM)1.26°C/W
θSA (400 LFM)0.88°C/W
θSA (600 LFM)0.75°C/W
θSA (800 LFM)0.68°C/W

Thermal Interface Material and Attachment Hardware

  • We recommend using double-sided thermal tapes, thermal epoxy or mechanical clips to attach this heat sink to device.
  • We recommend Chomerics T412 or 3M 8810 as the double-sided thermal tapes.
What is the thermal resistance (θSA)?
Airflow rate:
What will be the base temperature?
Heat to dissipate: W
Ambient temperature:
Airflow rate:
What will be the junction temperature?
Heat to dissipate: W
Ambient temperature:
Airflow rate:
TIM impedance:
θjc: °C/W
* The computation is based on the interpolation of experimental or simulation data, and the result is for reference only.
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