105-122K

Overview

The Delevan 105-122K is a surface-mount RF inductor from the Micro i series, designed for general-purpose applications. It features an iron core and unshielded construction with a nominal inductance of 1.2 µH and a tolerance of 10%. The component exhibits a maximum DC resistance of 1 Ohm and supports a maximum DC current of 310 mA. It operates within a temperature range of -55 °C to +105 °C and utilizes standard SMD/SMT termination.

Feature Summary

• Unshielded wirewound design suitable for RF signal processing
• Iron core construction for stable inductance characteristics
• Surface-mount package optimized for automated PCB assembly

Applications

• RF choke circuits
• General-purpose filtering
• Signal conditioning in communication equipment

Procurement Notes

Verify component authenticity through authorized API Delevan channels or certified distributors. Confirm RoHS compliance status and lead-free soldering requirements against specific project standards. Validate datasheet revisions to ensure alignment with current manufacturing specifications before final procurement decisions.

Selection Notes

Select this component for designs requiring compact surface-mount RF inductors with moderate current handling capabilities. Ensure PCB footprint matches the nonstandard two-lead configuration. Evaluate thermal management needs given the 105 °C maximum operating temperature limit and 1 Ohm DC resistance constraints.

Part Context

This part belongs to the Delevan Micro i series of chip inductors, which are engineered for high-frequency applications. The series offers various inductance values and tolerances to support diverse RF circuit requirements while maintaining a small physical profile suitable for modern electronic assemblies.

Replacement Considerations

Cross-reference with 105R-122K for potential functional equivalents. Verify pin compatibility and electrical parameter alignment before substitution.