103R-182K

Overview

The Delevan 103R-182K is an unshielded surface-mount RF inductor with a nominal inductance of 1.8 µH and a tolerance of ±10%. It features a maximum DC resistance of 0.92 ohms and a rated current of 305 mA. The component utilizes a ferrite core and operates within a temperature range of -55°C to +125°C. Key electrical characteristics include a minimum Q factor of 25 at 2.5 MHz and a self-resonant frequency of 28 MHz. The physical package 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
• Ferrite core material for stable RF performance
• Surface-mount design for automated PCB assembly

Applications

• RF circuit filtering
• Impedance matching networks
• General-purpose SMD RF applications

Procurement Notes

Verify the specific suffix 'KS' against official API Delevan documentation to confirm packaging and marking details. Ensure compatibility with RoHS3 standards if required by the target application. Confirm lead times as availability may vary by distributor. Cross-reference datasheets for precise thermal and electrical limits before final integration.

Selection Notes

Select this component for applications requiring a compact 1008 footprint with specific RF impedance characteristics. Compare the 0.92 ohm DCR and 305 mA rating against circuit requirements. Consider the 28 MHz self-resonant frequency limit for high-frequency operation. Evaluate the unshielded nature regarding potential electromagnetic interference in dense layouts.

Part Context

This part belongs to the 103/R series of fixed RF inductors manufactured by API Delevan. These components are designed for surface-mount technology and are commonly used in radio frequency circuits. The series offers various inductance values within a standardized small outline package suitable for space-constrained electronic designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.