CDRH3D28/LDNP-270NC

Fixed Inductors Overview

The CDRH3D28/LDNP-270NC is a fixed power inductor from Sumida America Components Inc., designed for surface-mount applications. It features a ferrite core and shielded construction to minimize electromagnetic interference. The component provides an inductance of 27 µH with a tolerance of ±30%. It supports a maximum DC current of 1.18 A and has a maximum DC resistance of 175 mΩ. The device operates within a temperature range of -40°C to +105°C and is tested at a frequency of 100 kHz.

Fixed Inductors Feature Summary

• Shielded wirewound design reduces magnetic flux leakage
• Ferrite core material ensures stable performance
• Surface-mount package facilitates automated assembly

Fixed Inductors Applications

• Power supply circuits
• DC-DC converter modules
• Signal filtering applications

Fixed Inductors Procurement Notes

Verify the specific electrical parameters against the official datasheet before integration, as values may vary by revision. Confirm that the surface-mount footprint matches the target PCB layout dimensions. Ensure the operating temperature range aligns with the environmental requirements of the final application. Check for any recent product change notices or end-of-life announcements from the manufacturer.

Fixed Inductors Selection Notes

Select this component when a compact, shielded inductor is required for power management circuits. The 27 µH value suits moderate frequency switching applications. Consider the 1.18 A current rating to ensure adequate headroom for peak loads. The low DC resistance helps minimize power loss and heat generation in high-efficiency designs.

Fixed Inductors Part Context

This part belongs to the CDRH3D28/LDNP series of shielded power inductors. The series is characterized by its small footprint and robust construction suitable for dense PCB layouts. Sumida America Components Inc. manufactures these components using ferrite cores and wirewound technology to provide reliable inductance in electronic systems.

Fixed Inductors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components by matching inductance, current ratings, and physical dimensions.