103R-271FS

Overview

The Delevan 103R-271FS is a fixed surface-mount RF inductor with a nominal inductance of 0.27 µH and a tolerance of ±1%. It features a maximum DC resistance of 0.23 Ω and supports a maximum DC current of 650 mA. The component has a minimum Q factor of 25 and a self-resonant frequency of 375 MHz. It utilizes an unshielded wirewound construction on a ferrite core, housed in a nonstandard SMT package measuring 2.54 mm in length and width.

Feature Summary

• Unshielded wirewound construction for general-purpose RF applications
• High precision inductance tolerance of ±1%
• Ferrite core design optimized for radio frequency performance

Applications

• RF circuit filtering
• Impedance matching networks
• Radio frequency signal processing

Procurement Notes

Verify the specific manufacturer source, as API Delevan assets may be managed by other entities. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the ordering suffix matches the required packaging format. Validate that the component meets all environmental and electrical specifications for the intended application before finalizing procurement.

Selection Notes

Select this component when high inductance accuracy is critical for RF circuits. The unshielded design requires careful PCB layout to minimize electromagnetic interference with adjacent traces. Evaluate the 375 MHz self-resonant frequency against the operating bandwidth to ensure effective performance. Consider the 650 mA current rating relative to the circuit's maximum load requirements.

Part Context

This part belongs to the 103R series of surface-mount RF inductors manufactured by Delevan. The series offers various inductance values tailored for radio frequency applications. The 103R-271FS specifically provides tight tolerance for precision tuning scenarios within compact electronic designs.