PDME1-S24-D12-S - CUI Inc.

PDME1-S24-D12-S Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and thermal management for optimal performance?
  CUI recommends a PCB layout with a large copper area for heat dissipation, and a thermal management system with a heat sink and thermal interface material to keep the junction temperature below 125°C.
• How does the module handle input voltage transients and spikes?
  The PDME1-S24-D12-S has built-in input voltage transient protection, which can withstand voltage spikes up to 1.5 times the nominal input voltage for a duration of 100ms. However, it's still recommended to add external protection circuitry for harsh environments.
• What is the derating curve for the module's output power versus ambient temperature?
  CUI provides a derating curve in the datasheet, which shows that the output power should be derated by 2.5% per degree Celsius above 50°C to ensure reliable operation.
• Can the module be used in a redundant or parallel configuration for higher power or redundancy?
  Yes, the PDME1-S24-D12-S can be used in a redundant or parallel configuration, but it's essential to ensure that the modules are synchronized and properly configured to avoid any issues. CUI recommends consulting with their application engineers for guidance.
• What is the MTBF (Mean Time Between Failures) and FIT (Failure In Time) rate for this module?
  CUI provides an MTBF of 1.5 million hours and a FIT rate of 555 failures per billion hours at 40°C and 50% load, based on MIL-HDBK-217F calculations.