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The VPH3-0138-R is a surface-mount power inductor from Eaton Electronics, designed for switching converter applications. It features an inductance of 23.3 µH with a tolerance of ±20%. The component supports a maximum current rating of 0.41 A and has a DC resistance (DCR) of 0.14 Ω. Additional electrical parameters include a saturation current of 0.97 A and a self-resonant frequency of 39.8 MHz. The device operates within a temperature range of -40°C to +125°C.
Verify the specific part number against official Eaton documentation to confirm compatibility with design requirements. Ensure that the surface-mount package dimensions and thermal characteristics align with the target PCB layout. Cross-reference the electrical parameters, including inductance tolerance and current ratings, with the system's operational needs before finalizing procurement decisions.
Select this component based on its 23.3 µH inductance value and 0.41 A current handling capability. Consider the low DCR of 0.14 Ω for efficiency optimization in power paths. The wide operating temperature range suits demanding environments. Evaluate the physical footprint constraints against the available board space for surface-mount integration.
This component belongs to Eaton's Versa-Pac series of power inductors. These devices are engineered for compact designs requiring reliable energy storage in magnetic form. The series targets applications needing stable inductance under varying load conditions while maintaining a small profile suitable for modern electronic assemblies.
Consult Eaton's official substitution guide for verified alternatives. Do not assume cross-compatibility with other manufacturers' parts without validating pinout, electrical specs, and mechanical dimensions.