OWINR5040-470

Fixed Inductors Overview

The OWINR5040-470 is a fixed inductor manufactured by Ole Wolff Electronics Inc. It features a semi-shielded molded construction with an inductance of 47 µH. The component supports a current rating of 1 A and exhibits a DC resistance of 354 mOhm. It utilizes a surface-mount package with dimensions corresponding to the 2020 (5050 Metric) footprint. The self-resonant frequency is specified at 7 MHz, ensuring stable performance within designated frequency ranges for power applications.

Fixed Inductors Feature Summary

• Semi-shielded design reduces electromagnetic interference
• Molded construction provides mechanical durability
• Surface-mount format facilitates automated assembly

Fixed Inductors Applications

• Power supply filtering circuits
• DC-DC converter input/output stages
• Signal processing choke applications

Fixed Inductors Procurement Notes

Verify manufacturer part number accuracy against official datasheets before ordering. Confirm that the required inductance value and current ratings align with specific circuit design parameters. Ensure compatibility with standard surface-mount reflow soldering processes. Check for any specific handling requirements related to the semi-shielded structure during storage and transport.

Fixed Inductors Selection Notes

Select this component when a 47 µH inductance value is required for space-constrained designs utilizing the 2020 footprint. Consider the 1 A current rating and 354 mOhm DC resistance for efficiency calculations in low-power applications. Evaluate the 7 MHz self-resonant frequency to ensure operation remains below resonance limits for intended signal frequencies.

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 within the same physical envelope, allowing for design flexibility while maintaining consistent board layout dimensions. The 2020 package size balances component density with thermal dissipation capabilities.

Fixed Inductors Replacement Considerations

Direct substitutes must match the 47 µH inductance, 2020 footprint, and similar electrical characteristics. Verify that alternative components meet the same current and resistance specifications to ensure circuit performance parity without redesign.