CDRH73NP-271MC-B

Fixed Inductors Overview

The CDRH73NP-271MC-B is a surface-mount power inductor from Sumida, featuring a ferrite drum core and magnetic shielding. It has a nominal inductance of 270 µH with a tolerance of ±20%. The component exhibits a maximum DC resistance of 2.31 Ω and a rated current of 320 mA. Designed for SMT assembly, it operates within a temperature range of -40°C to +100°C.

Fixed Inductors Feature Summary

• Magnetic shielding reduces electromagnetic interference
• Ferrite drum core construction for stability
• Surface-mount design for automated assembly

Fixed Inductors Applications

• DC-DC converter inductors
• Notebook PC power circuits
• LCD TV power management

Fixed Inductors Procurement Notes

Verify the specific suffix 'B' against official Sumida documentation to confirm its impact on specifications or compliance status. Ensure the selected variant matches the required electrical parameters and environmental ratings for the target application before finalizing procurement.

Fixed Inductors Selection Notes

Select this component based on the required 270 µH inductance and 320 mA current rating. Consider the 2.31 Ω DC resistance for efficiency calculations. Verify that the operating temperature range and package dimensions fit the PCB layout constraints.

Fixed Inductors Part Context

This part belongs to the CDRH73 series of SMD power inductors. The series offers various inductance values and current ratings within a compact footprint. It is designed for general-purpose power applications requiring reliable performance in consumer electronics.

Fixed Inductors Replacement Considerations

Check for direct substitutes with identical inductance, current rating, and physical dimensions. Verify compatibility with existing PCB land patterns and thermal requirements when considering alternative components.