108R-273G

Overview

The Delevan 108R-273G is a fixed unshielded power inductor designed for surface-mount technology (SMD) applications. It features a ferrite core and wirewound construction, providing an inductance of 27 µH with a tolerance of ±2%. The component has a maximum DC resistance of 8 Ohms and supports a maximum DC current of 55 mA. Its compact nonstandard package measures 2.5 mm by 2.5 mm, suitable for PCB mounting.

Feature Summary

• Unshielded wirewound design utilizing a ferrite core for stable magnetic performance
• Compact surface-mount footprint optimized for space-constrained printed circuit board layouts
• High precision inductance tolerance ensuring accurate signal filtering characteristics

Applications

• RF choke circuits requiring precise impedance matching
• Power supply filtering stages with low current demands
• Signal conditioning networks in communication equipment

Procurement Notes

Verify component authenticity through authorized channels due to potential availability issues. Confirm that the specific suffix G aligns with required tolerance specifications. Check RoHS compliance status against current regulatory requirements before integration into final assemblies.

Selection Notes

Select this component when a small form factor is critical for SMD assembly processes. Ensure the 55 mA current rating meets the operational load requirements. Consider the unshielded nature for placement relative to sensitive components to prevent interference.

Part Context

This part belongs to the API Delevan family of high-reliability passive components. It serves as a specialized solution for RF and power applications where standard shielded inductors are too large or unnecessary. The series emphasizes robustness in demanding electronic environments.

Replacement Considerations

Public confirmed substitute part numbers: None identified.