Figure B-3. Mounting A Thermocouple Under A Heatsink - Motorola MVME6100 Installation And User Manual

Appendix B Thermal Validation
Note Machining a heatsink base reduces the contact area between the heatsink and the
electrical component. You can partially compensate for this effect by filling the machined areas
with thermal grease. The grease should not contact the thermocouple junction.

Figure B-3. Mounting a Thermocouple Under a Heatsink

Thermocouple
junction bonded
to component
Through hole for thermocouple
junction clearance (may require
removal of fin material)
Also use for alignment guidance
during heatsink installation
74
MVME6100 Installation and Use (V6100A/IH2)
ISOMETRIC VIEW
Thermal pad
HEATSINK BOTTOM VIEW
Machined groove for
thermocouple wire
routing
Machined groove for
thermocouple wire
routing
Heatsink base