103R-121K

Overview

The Delevan 103R-121K is an unshielded surface-mount RF inductor with a nominal inductance of 120 nH and a tolerance of ±10%. It features a maximum DC resistance of 125 mΩ and supports a maximum DC current of 880 mA. The component has a minimum Q factor of 30 and a self-resonant frequency of 750 MHz. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded construction for minimal magnetic interference
• Designed specifically for radio frequency applications
• Surface mount technology for PCB integration

Applications

• RF circuits
• PCB mounting

Procurement Notes

Verify the exact part number against official manufacturer documentation to ensure compatibility. Confirm RoHS compliance status and specific packaging requirements before ordering. Check for any recent product change notices that may affect specifications or availability.

Selection Notes

Select this component for designs requiring low inductance values in RF environments. Ensure the operating current remains within the 880 mA limit to maintain performance. Verify that the 125 mΩ DC resistance meets the circuit's power loss constraints.

Part Context

This component belongs to the 103/R series of fixed inductors manufactured by API Delevan. It is categorized under RF Inductors - SMD and is designed for general-purpose use in electronic circuits requiring precise inductance values.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.