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Thermal Considerations
Test Scenario 2: Dual Core EPU-3310-EBP + HDW-406 Heat Sink, with/without HDW-411 fan
As shown in Figure 23, running the test scenario with just the heat sink, the core temperature is
slightly above 100 ºC at maximum ambient temperature. This will be less in most applications
that require less than 90% CPU utilization. Adding the fan provides an additional 5-6 ºC of
margin. For long-term reliability, ensure the CPU cores are predominately running with their
temperatures below 100 ºC.
Figure 23. EPU-3310-EBP Dual Core Temperature Relative to Ambient Temperature
VL-EPU-3310 Reference Manual
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