CDRH5D18NP-5R4NC - Sumida

CDRH5D18NP-5R4NC Frequently Asked Questions (FAQs)

• What is the recommended PCB land pattern for the CDRH5D18NP-5R4NC?
  The recommended PCB land pattern for the CDRH5D18NP-5R4NC is a rectangular pad with a size of 3.5mm x 2.5mm, with a 1.5mm diameter hole in the center for the inductor's lead.
• How do I handle the inductor's thermal considerations?
  The CDRH5D18NP-5R4NC has a maximum operating temperature of 125°C. Ensure good airflow around the inductor, and consider using a heat sink or thermal pad if the inductor will be operating near its maximum current rating.
• What is the inductor's self-resonant frequency (SRF)?
  The SRF of the CDRH5D18NP-5R4NC is approximately 150 MHz. This is the frequency at which the inductor's impedance peaks due to its internal capacitance and inductance.
• Can I use the CDRH5D18NP-5R4NC in a high-vibration environment?
  Yes, the CDRH5D18NP-5R4NC is designed to withstand vibrations up to 10G. However, it's recommended to secure the inductor to the PCB using a suitable adhesive or mechanical fastening to prevent movement during vibration.
• How do I ensure the inductor's reliability in a high-humidity environment?
  To ensure reliability in high-humidity environments, apply a conformal coating to the PCB and inductor, and consider using a moisture-resistant coating or potting compound around the inductor.