103R-392F

Overview

The Delevan 103R-392F is an unshielded surface-mount RF inductor with a nominal inductance of 3.9 µH and a tolerance of 1%. It features a maximum DC resistance of 1.55 Ohms and supports a maximum DC current of 250 mA. The component has standard terminals and operates within a temperature range suitable for general RF applications.

Feature Summary

• Unshielded construction for minimal magnetic interference
• High precision 1% inductance tolerance
• Surface-mount design for automated PCB assembly

Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF signal processing

Procurement Notes

Verify the specific manufacturer datasheet to confirm terminal configuration, as some sources describe this part number with non-standard leads while others indicate SMD packaging. Ensure the selected variant matches your board layout requirements regarding lead style or footprint dimensions before finalizing procurement.

Selection Notes

Select this component when a precise 3.9 µH inductance is required in compact RF designs. Consider the 250 mA current rating and 1.55 Ohm resistance against circuit power dissipation limits. Verify physical mounting constraints due to potential variations in lead style or package type across different production batches.

Part Context

This part belongs to the Delevan 103R series of RF inductors. These components are designed for radio frequency applications requiring stable inductance values. The series typically offers various inductance options with tight tolerances to support sensitive analog and RF signal paths.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.