103R-273G

Overview

The Delevan 103R-273G is a surface-mount RF inductor from the 103/R series. It features an unshielded wirewound construction with a ferrite core, designed for PCB mounting. The component provides a nominal inductance of 27 µH with a tight tolerance of ±2%. It supports a maximum DC current of 120 mA and exhibits a maximum DC resistance of 6.9 Ohms. The device operates within a temperature range of -55°C to +125°C.

Feature Summary

• Unshielded wirewound design utilizing a ferrite core for stable RF performance
• High precision ±2% inductance tolerance suitable for critical circuit applications
• Robust thermal stability operating across extended industrial temperature ranges

Applications

• RF signal processing circuits
• Impedance matching networks
• Filtering stages in communication equipment

Procurement Notes

Verify component authenticity through authorized channels as availability may vary. Confirm RoHS compliance status directly with the manufacturer or supplier documentation prior to integration. Ensure storage conditions adhere to specified guidelines to maintain solderability and electrical integrity during assembly processes.

Selection Notes

Select this component when precise inductance values are required in compact RF layouts. The unshielded configuration necessitates careful PCB layout consideration to minimize electromagnetic interference coupling with adjacent traces. Evaluate thermal management requirements given the specific DC resistance and current rating constraints.

Part Context

This part belongs to the Delevan 103/R series of fixed surface-mount inductors. These components are engineered for general-purpose RF applications requiring reliable performance in space-constrained designs. The series offers various inductance values while maintaining consistent physical dimensions and electrical characteristics typical of high-quality wirewound SMD inductors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Cross-referencing requires detailed parameter matching including inductance, tolerance, current rating, and physical footprint compatibility.