103R-121KS

Overview

The Delevan 103R-121KS 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 mOhms 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. The device utilizes standard terminations and is supplied in reel packaging.

Feature Summary

• Unshielded construction for minimal magnetic interference
• Designed for high-frequency RF circuit applications
• Surface-mount technology compatible with PCB mounting

Applications

• RF signal processing circuits
• High-frequency filtering networks
• Impedance matching networks in RF systems

Procurement Notes

Verify the manufacturer part number 103R-121KS against official API Delevan documentation to confirm specifications. Ensure the component meets RoHS compliance requirements for your specific application. Check datasheet details for termination type and thermal handling characteristics before integration into the design.

Selection Notes

Select this component when an unshielded SMD inductor with 120 nH inductance is required. Consider the 880 mA current rating and 125 mOhm resistance for power handling needs. The 750 MHz self-resonant frequency defines the upper operational limit. Verify that the 1008 (2520 metric) package footprint matches the PCB layout constraints.

Part Context

This part belongs to the 103/R series of fixed RF inductors manufactured by API Delevan. These components are designed for general-purpose use in radio frequency environments. The series offers various inductance values within a standardized surface-mount form factor, facilitating consistent assembly processes across different RF designs.

Replacement Considerations

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