105R-472K

Overview

The Delevan 105R-472K is a surface-mount micro chip inductor designed for RF applications. It features an inductance of 4.7 µH with a tolerance of ±10%. The component supports a maximum DC current of 175 mA and has a maximum DC resistance of 3.1 Ohms. It utilizes a ferrite core and wirewound construction within a standard SMD package.

Feature Summary

• Wirewound ferrite core construction for stable RF performance
• Surface-mount design suitable for automated PCB assembly
• Unshielded configuration to minimize parasitic effects

Applications

• RF signal processing circuits
• Impedance matching networks
• Filtering stages in communication devices

Procurement Notes

Verify component availability status as the part may be discontinued or subject to limited supply. Confirm RoHS compliance details through official manufacturer documentation prior to integration. Ensure storage conditions meet moisture sensitivity level requirements to maintain reliability during soldering processes.

Selection Notes

Select this component for applications requiring precise 4.7 µH inductance at RF frequencies. Consider the 175 mA current rating and 3.1 Ohm DCR limits when designing power paths. Evaluate thermal management needs based on operating temperature ranges and self-heating characteristics under load.

Part Context

This part belongs to the 105R series of micro chip inductors manufactured by API Delevan. These components are specialized for high-frequency circuitry, offering compact footprints compared to larger power inductors. The series focuses on providing consistent electrical characteristics for sensitive radio frequency environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Engineers should consult the manufacturer's obsolescence notifications or cross-reference guides for potential alternatives if this specific model is no longer in production.