Wolfspeed SpeedVal MOD-MB-3P-0900V-40A Series User Manual page 34

Next, install the power daughter cards. Last, fold the fan shroud along the score lines and slide the keyhole
feature around the board locking tabs on the card guides to hold the top of the shroud in place as shown in
Figure 21.
The fan shroud has two small rectangular cutouts above the phase 3 power daughter cards. These cutouts
allow viewing access for an infrared camera to monitor the package temperature of through-hole MOSFET
power cards. These viewing ports are provided only on the phase 3 location for two reasons. First, this card
will have the highest temperature in a balanced system because it is located farthest from the fan. Second,
the purpose of the fan shroud is to keep airflow contained along the heatsink area of the power daughter
PRD-08611 REV. 1, June 2024
© 2024 Wolfspeed, Inc. All rights reserved. Wolfspeed® and the Wolfstreak logo are registered trademarks and SpeedVal™ and
the Wolfspeed logo are trademarks of Wolfspeed, Inc. Other trademarks, product and company names are the property of their
respective owners and do not imply specific product and/or vendor endorsement, sponsorship or association.
Figure 20: Fan shroud card guide locations
Figure 21: Fan shroud keyhole slot attachment
MOD-MB-3P-0900V-40A SpeedVal™ Kit Three-Phase Motherboard User Guide
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