LDRS4949MT221

Fixed Inductors Overview

The LDRS4949MT221 is a shielded surface-mount inductor from Stackpole Electronics Inc, featuring a nonstandard form factor. It provides an inductance of 220 µH with a tolerance of ±20%. The component is rated for a maximum DC resistance of 270 mΩ and supports a saturation current of 1.2 A. It operates at a test frequency of 1 kHz with a drive level of 0.5 V.

Fixed Inductors Feature Summary

• Shielded magnetic structure minimizes electromagnetic interference
• Nonstandard physical dimensions optimize space-constrained layouts

Fixed Inductors Applications

• Power supply filtering circuits
• DC-DC converter energy storage
• General-purpose electronic signal processing

Fixed Inductors Procurement Notes

Verify the specific package dimensions against the mechanical drawing to ensure compatibility with the target PCB footprint, as the nonstandard size may differ from standard SMD footprints. Confirm that the 1.2 A current rating meets the peak load requirements of the application circuit to prevent performance degradation.

Fixed Inductors Selection Notes

Select this component when a compact, shielded solution is required for moderate power applications. The low DC resistance helps minimize conduction losses, while the shielding capability reduces noise coupling in dense circuit designs. Ensure the operating temperature range aligns with the system's thermal environment.

Fixed Inductors Part Context

This inductor belongs to the LDRS series by Stackpole Electronics Inc, designed for surface-mount technology. The series focuses on providing reliable inductive solutions for modern electronics where space efficiency and electromagnetic compatibility are critical design constraints.