VHB100W-Q48-S5 - CUI Inc.

VHB100W-Q48-S5 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 VHB100W-Q48-S5 handle input voltage transients and spikes?
  The VHB100W-Q48-S5 has built-in input voltage transient protection, but it's still recommended to add external transient voltage suppressors (TVS) to protect against high-energy transients and spikes.
• What is the maximum allowable capacitance for the output filter capacitor?
  The maximum allowable capacitance for the output filter capacitor is 100uF, but it's recommended to use a capacitor with a lower ESL (Equivalent Series Inductance) to minimize ringing and ensure stability.
• Can the VHB100W-Q48-S5 be used in a redundant or N+1 configuration?
  Yes, the VHB100W-Q48-S5 can be used in a redundant or N+1 configuration, but it requires additional external circuitry and control logic to manage the redundancy and ensure seamless switchover.
• What is the MTBF (Mean Time Between Failures) of the VHB100W-Q48-S5?
  The MTBF of the VHB100W-Q48-S5 is approximately 1.5 million hours, calculated according to MIL-HDBK-217F, Notice 2.