SMI18-5-V-P7 - CUI Inc.

SMI18-5-V-P7 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal thermal performance?
  CUI Inc recommends a PCB layout with a solid ground plane and thermal vias under the module to improve heat dissipation. A minimum of 2oz copper thickness is recommended for the PCB.
• Can I use this module in a high-vibration environment?
  Yes, the SMI18-5-V-P7 is designed to withstand vibrations up to 10G peak acceleration, making it suitable for use in high-vibration environments. However, it's essential to ensure proper mounting and screw torque to prevent damage.
• What is the maximum allowable temperature derating for this module?
  The SMI18-5-V-P7 has a maximum allowable temperature derating of -2.5% per °C above 40°C. This means that for every 1°C increase in temperature above 40°C, the output power should be reduced by 2.5% to ensure reliable operation.
• Can I use this module in a humid or wet environment?
  The SMI18-5-V-P7 has a conformal coating to protect it from humidity, but it's not designed for immersion in water or exposure to high-pressure washdowns. If you need to use it in a humid or wet environment, ensure proper sealing and protection to prevent moisture ingress.
• What is the recommended input fuse rating for this module?
  CUI Inc recommends using a fuse with a rating of 2A to 5A, depending on the specific application and input voltage. The fuse should be able to handle the maximum input current and provide adequate protection against overcurrent conditions.