103R-123G

Overview

The Delevan 103R-123G is a surface-mount RF inductor with a nominal inductance of 12 µH and a tolerance of ±5%. It features an unshielded construction using ferrite core material, housed in a standard 1010 (2.54 mm x 2.54 mm) package. The component has a maximum DC resistance of 3.8 Ohms and supports a maximum DC current of 160 mA. It operates within a temperature range of -55°C to +125°C.

Feature Summary

• Unshielded chip design for general-purpose RF applications
• Ferrite core construction for stable inductance
• Standard 1010 surface-mount footprint

Applications

• RF circuit filtering
• General-purpose signal processing
• Impedance matching networks

Procurement Notes

Verify the specific suffix designation against official API Delevan documentation to confirm lead times and availability status. Ensure that the procurement channel provides valid RoHS compliance certificates if required by the application specifications. Cross-reference the manufacturer part number with authorized distributor databases to prevent sourcing counterfeit components.

Selection Notes

Select this component when an unshielded 12 µH inductor is required for space-constrained designs utilizing the 1010 footprint. Consider the 160 mA current rating and 3.8 Ohm DCR limits during circuit analysis. Verify thermal performance requirements against the specified -55°C to +125°C operating range before integration into the final assembly.

Part Context

This component belongs to the 103R series of fixed RF inductors manufactured by API Delevan. The series offers various inductance values in standardized SMD packages designed for high-frequency applications. The 103R-123G specifically addresses needs for moderate inductance in compact RF layouts.

Replacement Considerations

Consult official API Delevan substitution guides for direct equivalents. Verify pinout compatibility and electrical parameters such as Q-factor and self-resonant frequency when evaluating alternative suppliers.