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MVME51005E Single Board Computer Installation and Use (6806800A38B)
C Thermal Analysis
94
Figure C-3. Mounting a Thermocouple Under a Heatsink
Measuring Local Air Temperature
Measure local component ambient temperature by placing the thermocouple downstream of
the component. This method is conservative since it includes heating of the air by the
component.
Figure C-4
shows one method of mounting the thermocouple.
HEATSINK BOTTOM VIEW
ISOMETRIC VIEW
Machined groove for
thermocouple wire
routing
Thermocouple
junction bonded
to component
Heatsink base
Thermal pad
Through hole for thermocouple
junction clearance (may require
removal of fin material)
Also use for alignment guidance
during heatsink installation
Machined groove for
thermocouple wire
routing