105R-391K

Overview

The Delevan 105R-391K is a fixed surface-mount RF inductor with an inductance of 390 nH and a tolerance of ±10%. It features a maximum DC resistance of 280 mOhms and a current rating of 585 mA. The component utilizes a non-standard, two-lead SMD package without leads, constructed with an unshielded design. It operates within standard PCB mounting configurations.

Feature Summary

• Unshielded construction for specific RF applications
• Two-lead surface mount termination style
• Fixed inductance value for circuit stability

Applications

• RF signal processing circuits
• Impedance matching networks
• Filtering applications in communication devices

Procurement Notes

Verify component authenticity through authorized channels due to obsolete lifecycle status. Confirm RoHS compliance documentation matches current regulatory requirements. Ensure storage conditions preserve lead integrity prior to assembly. Validate datasheet revisions against manufacturing batch codes to guarantee electrical parameter consistency during procurement.

Selection Notes

Select this component for designs requiring precise 390 nH inductance in unshielded configurations. Evaluate thermal management capabilities given the 585 mA current rating. Compare physical dimensions against available PCB real estate constraints. Assess compatibility with existing surface mount reflow profiles and soldering techniques for reliable joint formation.

Part Context

This part belongs to the API Delevan fixed inductor family, designed for high-frequency electronic applications. It represents a specialized solution for RF circuits where shielding is not required or detrimental. The series emphasizes compact form factors suitable for dense board layouts.

Replacement Considerations

Public confirmed substitute part numbers are not available in verified documentation. Due to the obsolete lifecycle status, direct replacements may require design modifications to accommodate different pinout or electrical characteristics.