SDR0302-1R4ML

Fixed Inductors Overview

The Bourns SDR0302-1R4ML is an unshielded, wirewound power inductor with a ferrite core. It features a nominal inductance of 1.4 µH and a tolerance of ±20%. The component supports a maximum DC current of 1.5 A and has a maximum DC resistance of 70 mΩ. Saturation current is rated at 2.2 A. Operating temperature ranges from -40°C to +125°C. The Q factor minimum is 22 at 7.96 MHz, with a self-resonant frequency of 125 MHz. Dimensions are 3.0 x 2.8 x 2.5 mm.

Fixed Inductors Feature Summary

• Unshielded wirewound construction utilizing a ferrite core for magnetic field management
• Designed for surface-mount PCB integration within compact electronic assemblies
• Capable of operation across extended industrial temperature environments

Fixed Inductors Applications

• LED driver circuits
• Current control systems
• Power delivery modules

Fixed Inductors Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with standard surface-mount assembly processes. Cross-reference datasheet specifications for thermal performance and current ratings prior to final procurement decisions.

Fixed Inductors Selection Notes

Select this component based on required inductance values and current handling capabilities. Consider the unshielded design implications regarding electromagnetic interference in dense layouts. Evaluate thermal constraints relative to the specified operating temperature range and saturation characteristics.

Fixed Inductors Part Context

This component belongs to the SDR0302 series of SMD power inductors manufactured by Bourns. The series offers various inductance options within a standardized small footprint package suitable for modern electronics manufacturing requirements.

Fixed Inductors Replacement Considerations

Consult official substitution lists or equivalent product catalogs for verified alternatives. Ensure replacement components match critical electrical parameters and physical dimensions.