103R-271KS

Overview

The Delevan 103R-271KS is an unshielded surface-mount RF inductor with a nominal inductance of 270 nH and a tolerance of 10%. It features a maximum DC resistance of 230 mOhms and supports a maximum DC current of 650 mA. The component has a self-resonant frequency of 1.6 GHz and a minimum Q factor of 49. 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 for high-frequency RF circuit applications
• Standard SMD termination for PCB mounting

Applications

• RF signal processing circuits
• Impedance matching networks
• Filter design in radio frequency systems

Procurement Notes

Verify the specific manufacturer part number against official API Delevan documentation to confirm electrical parameters and compliance status. Ensure the ordering suffix matches the required tolerance and packaging specifications. Cross-reference datasheets for thermal and current ratings before integration.

Selection Notes

Select this component for applications requiring precise 270 nH inductance in compact SMD form factors. Consider the 650 mA current rating and 230 mOhm resistance for power handling requirements. Verify that the unshielded design aligns with the electromagnetic compatibility constraints of the target system layout.

Part Context

This component belongs to the 103/R series of fixed RF inductors manufactured by API Delevan. The series offers various inductance values in a standardized 1010 package size. These components are engineered for general-purpose RF applications where small footprint and stable performance are prioritized.

Replacement Considerations

Consult official substitution guides for equivalent unshielded RF inductors with matching 270 nH inductance and similar current ratings. Verify pinout compatibility and dimensional constraints before replacing.