103R-182HS

Overview

The Delevan 103R-182HS is an unshielded surface-mount RF inductor with a nominal inductance of 1.8 uH and a tolerance of 3%. It features a maximum DC resistance of 540 mOhms and supports a maximum DC current of 425 mA. The component has a minimum Q factor of 22 and a self-resonant frequency of 145 MHz. 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
• Surface-mount design optimized for RF circuit integration
• Ferrite-core technology for stable high-frequency performance

Applications

• RF signal processing circuits
• High-frequency electronic filtering
• Impedance matching networks

Procurement Notes

Verify the specific manufacturer part number against official API Delevan documentation to confirm electrical parameters and physical specifications. Ensure compatibility with surface-mount assembly processes and check for any recent product change notifications that may affect component characteristics or availability status.

Selection Notes

Select this component based on its 1.8 uH inductance value and 145 MHz self-resonant frequency suitability for target RF applications. Consider the 425 mA current rating and 540 mOhm resistance limits relative to circuit requirements. Evaluate the unshielded nature against potential electromagnetic interference constraints in the final assembly.

Part Context

This component belongs to the 103/R series of RF inductors manufactured by API Delevan. It is categorized as a fixed inductor designed specifically for surface-mount technology applications. The series utilizes ferrite core materials to achieve consistent performance in high-frequency environments typical of modern electronic designs.

Replacement Considerations

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