LDRS4949MT680

Fixed Inductors Overview

The LDRS4949MT680 is a shielded surface-mount power inductor from the Stackpole Electronics LDRS series. It features a nominal inductance of 68 µH with a tolerance of ±20%. The component is rated for a maximum DC current of 1.3 A and a saturation current of 2.2 A. It utilizes a non-standard 4949 package size, measuring 12.5 mm in length, 12.5 mm in width, and 5.5 mm in height. The device has a maximum DC resistance of 78.7 mΩ and operates within a temperature range of -40°C to +85°C.

Fixed Inductors Feature Summary

• Shielded magnetic structure minimizes electromagnetic interference (EMI) coupling to adjacent circuit components.
• Non-inductive winding design ensures stable performance without parasitic inductive effects.
• Robust construction supports high current handling capabilities suitable for power supply applications.

Fixed Inductors Applications

• DC-DC converter output filtering
• Point-of-load (POL) regulation stages
• General-purpose power inductor circuits

Fixed Inductors Procurement Notes

Verify the specific manufacturer part number against official Stackpole documentation to confirm electrical parameters and package dimensions. Ensure that the required current ratings align with the application's peak load conditions. Confirm compliance with relevant environmental standards such as RoHS before finalizing procurement specifications.

Fixed Inductors Selection Notes

Select this component based on its 68 µH inductance value and 1.3 A continuous current rating. Consider the 4949 footprint constraints for PCB layout compatibility. Evaluate the thermal performance requirements relative to the specified operating temperature range and DC resistance characteristics.

Fixed Inductors Part Context

This component belongs to the LDRS series of shielded power inductors manufactured by Stackpole Electronics Inc. The series is designed for general-purpose power applications requiring compact surface-mount solutions with controlled magnetic shielding to reduce noise interference in dense electronic assemblies.

Fixed Inductors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify cross-compatibility with alternative manufacturers only through independent technical parameter matching.