PCSA1-S5-S15-S - CUI Inc.

PCSA1-S5-S15-S Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and thermal management for optimal performance?
  CUI recommends a PCB layout with a solid ground plane and thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended. Additionally, a thermal interface material (TIM) with a thermal conductivity of 1 W/m-K or higher is suggested between the device and the heat sink.
• How do I ensure reliable operation in high-vibration environments?
  CUI recommends following the recommended PCB mounting and screw torque specifications to ensure the device is securely fastened. Additionally, using a conformal coating and potting the device can help improve reliability in high-vibration environments.
• What is the maximum allowable voltage derating for this device?
  CUI recommends derating the input voltage by 10% to ensure reliable operation and to account for voltage tolerances. For example, if the rated input voltage is 15V, the maximum allowable voltage would be 13.5V.
• Can I use this device in a redundant or parallel configuration?
  Yes, the PCSA1-S5-S15-S can be used in a redundant or parallel configuration, but it's essential to ensure that the devices are properly synchronized and that the output voltages are matched to prevent current imbalances.
• What is the typical MTBF (Mean Time Between Failures) for this device?
  CUI estimates the MTBF for the PCSA1-S5-S15-S to be around 1.5 million hours at 25°C, based on MIL-HDBK-217F calculations. However, this value may vary depending on the specific application and operating conditions.