DR1040-220-R - Eaton

DR1040-220-R Frequently Asked Questions (FAQs)

• What is the recommended PCB land pattern for the DR1040-220-R?
  The recommended PCB land pattern for the DR1040-220-R can be found in the Coiltronics application note AN-001, which provides detailed guidelines for PCB layout and design.
• Can I use the DR1040-220-R in a high-temperature environment?
  While the DR1040-220-R is rated for operation up to 125°C, it's essential to derate the current rating according to the temperature derating curve provided in the datasheet. Additionally, ensure that the PCB and surrounding components can withstand the high temperatures.
• How do I ensure the DR1040-220-R is properly soldered to the PCB?
  Follow the recommended soldering profile and guidelines provided in the Coiltronics application note AN-002. Ensure the PCB is clean and free of oxidation, and use a solder with a melting point compatible with the inductor's rating.
• What is the self-resonant frequency (SRF) of the DR1040-220-R?
  The SRF of the DR1040-220-R is not explicitly stated in the datasheet. However, it can be estimated using the inductor's inductance value and the parasitic capacitance. For a more accurate measurement, contact Coiltronics' technical support or perform your own characterization.
• Can I use the DR1040-220-R in a high-frequency application?
  While the DR1040-220-R is designed for high-frequency applications, its performance may degrade above a certain frequency. Consult the datasheet's frequency characteristics graph and consider the inductor's impedance, core losses, and skin effect when designing your application.