103R-331KS

Overview

The Delevan 103R-331KS is a fixed surface-mount RF inductor with a nominal inductance of 0.33 µH and a tolerance of ±10%. It features a ferrite core, a maximum DC resistance of 0.235 Ω, and a rated current of 645 mA. The component operates within a temperature range of -55°C to 125°C and has a self-resonant frequency of 300 MHz.

Feature Summary

• Unshielded wirewound construction for general-purpose RF applications
• Ferrite core material providing stable inductance characteristics
• Surface-mount rectangular package design for automated assembly

Applications

• RF signal processing circuits
• General purpose inductive filtering
• Impedance matching networks

Procurement Notes

Verify RoHS compliance status as sources indicate conflicting data regarding lead content. Confirm the specific ordering suffix requirements with API Delevan to ensure correct material composition and packaging specifications before finalizing procurement orders.

Selection Notes

Select this component for applications requiring a 0.33 µH inductance with a 645 mA current rating. Ensure the circuit layout accommodates the unshielded nature of the device to prevent unwanted coupling. Verify that the operating frequency remains below the 300 MHz self-resonant limit for intended functionality.

Part Context

This part belongs to the 103R series of fixed inductors manufactured by API Delevan. The series offers various inductance values in a standardized rectangular chip format designed for high-volume surface-mount production processes in electronic assemblies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires manual verification of electrical parameters and physical dimensions against alternative suppliers.