PM5022-3R3M-RC

Fixed Inductors Overview

The Bourns PM5022-3R3M-RC is a surface-mount power inductor from the PM5022 series, featuring an unshielded ferrite core and wirewound construction. It provides an inductance of 3.3 µH with a tolerance of ±20%. The component supports a maximum DC current of 1.4 A and a saturation current of 1.8 A, while maintaining a maximum DC resistance of 22 mΩ. Operating within a temperature range of -40°C to +125°C, it exhibits a minimum Q factor of 22 at 796 kHz and a self-resonant frequency of 7.96 MHz. Physical dimensions are 18.3 mm x 14 mm x 6.9 mm.

Fixed Inductors Feature Summary

• Unshielded design utilizing a ferrite core for high-frequency power applications
• Robust thermal performance rated for operation up to +125°C
• Surface-mount package optimized for automated PCB assembly

Fixed Inductors Applications

• Power supply circuits
• DC-DC converters
• Filtering networks

Fixed Inductors Procurement Notes

Verify the specific suffix RC against official Bourns documentation to confirm reel packaging specifications and RoHS compliance status. Ensure that the ordering part number matches the required inductance value and tolerance class. Cross-reference the datasheet for any recent updates regarding material composition or manufacturing location changes. Confirm that the supplier provides valid traceability documents consistent with the manufacturer's quality standards.

Fixed Inductors Selection Notes

Select this component when a compact, unshielded inductor is required for power stages operating below 10 MHz. Evaluate the 1.4 A RMS current rating against peak load requirements to prevent excessive heating. Consider the 22 mΩ DCR impact on overall system efficiency. Verify that the physical footprint fits the available board space without compromising thermal dissipation paths.

Fixed Inductors Part Context

This part belongs to the PM5022 series of SMD power inductors designed for general-purpose power electronics. The series offers various inductance values ranging from 1 µH to 680 µH. These components are engineered for durability in demanding environments, supporting both industrial and consumer applications where space constraints and thermal management are critical factors.

Fixed Inductors Replacement Considerations

Consult the official PM5022 series datasheet for alternative part numbers with matching electrical characteristics. Verify compatibility with existing footprints if substituting with different manufacturers' equivalents.