OWINR5040-4R7

Fixed Inductors Overview

The OWINR5040-4R7 is a surface-mount fixed power inductor manufactured by Ole Wolff Electronics Inc. It features an inductance of 4.7 µH and supports a current rating of 3 A. The component exhibits a maximum DC resistance of 39 mΩ and has a maximum seated height of 4.00 mm (0.157 inches). It utilizes a magnetic resin shielded construction with metallization on the ferrite core to ensure excellent shock resistance and ultra-low buzz noise levels.

Fixed Inductors Feature Summary

• Magnetic resin shielded construction reduces electromagnetic interference and buzz noise to ultra-low levels
• Metallization on the ferrite core provides enhanced mechanical shock resistance
• Surface-mount design suitable for automated assembly processes

Fixed Inductors Applications

• Power supply circuits requiring compact shielding
• DC-DC converter input or output filtering
• General-purpose signal conditioning in electronic devices

Fixed Inductors Procurement Notes

Verify the specific manufacturer part number against official Ole Wolff Electronics documentation to confirm electrical parameters such as inductance, current rating, and DC resistance. Ensure that the required operating temperature range and mechanical dimensions align with the target PCB layout constraints before finalizing procurement decisions.

Fixed Inductors Selection Notes

Select this component when low-profile surface-mount packaging and effective magnetic shielding are required for power applications. Consider the 4.00 mm maximum height and 39 mΩ DC resistance limits during circuit design to ensure compatibility with space-constrained boards and efficiency requirements.

Fixed Inductors Part Context

This component belongs to the OWINR series of fixed inductors from Ole Wolff Electronics Inc. The series offers various inductance values and current ratings within a standardized surface-mount footprint, designed for applications demanding reliable performance and reduced acoustic noise through shielded magnetic construction.

Fixed Inductors Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material. Verify cross-compatibility with alternative manufacturers based on identical electrical specifications and mechanical dimensions if substitution is necessary.