105R-181F

Overview

The Delevan 105R-181F is an unshielded surface-mount RF inductor with a nominal inductance of 180 nH and a tolerance of 1%. It features a maximum DC resistance of 190 mOhms and supports a maximum DC current of 710 mA. The component has a self-resonant frequency of 405 MHz and a minimum Q factor of 40. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded SMD construction for RF applications
• High-Q performance at 405 MHz self-resonant frequency
• Low DC resistance of 190 mOhms

Applications

• RF circuit design
• Surface mount PCB assembly

Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or substitute part numbers. Ensure that any replacement components meet the original electrical specifications and physical footprint requirements to maintain circuit integrity.

Selection Notes

Select this component for designs requiring a 180 nH inductance with tight 1% tolerance. Consider its 710 mA current rating and 190 mOhm resistance for power handling needs. Verify that the 2520 metric package size fits the board layout constraints.

Part Context

This part belongs to the 105/R series of fixed inductors from API Delevan Inc. It is categorized as an RF inductor designed for surface-mount technology. The series typically offers various inductance values and tolerances for radio frequency signal processing.

Replacement Considerations

Check for direct substitutes such as the 105-181JS or 105R-181GS if available. Ensure replacements match the 180 nH value, 2520 package, and similar electrical parameters.