105-181F

Overview

The Delevan 105-181F is an unshielded surface-mount RF inductor with a nominal inductance of 180 nH and a tolerance of 5%. It features a maximum DC resistance of 190 mOhms and supports a maximum DC current of 710 mA. The component exhibits a minimum Q factor of 40 and a self-resonant frequency of 405 MHz. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height, conforming to the 105/R series.

Feature Summary

• Unshielded SMD construction for RF applications
• High self-resonant frequency capability
• Standard termination style for PCB mounting

Applications

• RF circuit design
• Signal processing systems
• Electronic equipment requiring fixed inductors

Procurement Notes

Verify component status as the 105-181F is listed as obsolete or discontinued by major distributors. Confirm availability through authorized channels or secondary markets. Ensure that any sourced units match the original manufacturer specifications and package details before integration into production workflows.

Selection Notes

Select this component for RF designs requiring 180 nH inductance with specific current handling limits. Consider the unshielded nature and physical footprint when designing PCB layouts. Evaluate alternative components if active supply chain support is required for long-term manufacturing stability.

Part Context

This part belongs to the Delevan 105/R series of RF inductors. It is categorized under fixed inductors and chokes within passive components. The manufacturer API Delevan Inc. produces this specific model for specialized electronic applications.

Replacement Considerations

Public confirmed substitute: LQW2UASR18F00L (Murata Electronics). Verify electrical compatibility and physical dimensions before substitution.