105-681J

Overview

The Delevan 105-681J is an unshielded surface-mount RF inductor with a nominal inductance of 680 nH and a tolerance of ±5%. It features a maximum DC resistance of 620 mOhms and a rated current of 395 mA. The component exhibits a minimum Q factor of 35 at 25 MHz and a self-resonant frequency of 160 MHz. 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 flexible PCB layout
• High self-resonant frequency suitable for RF applications
• Standard termination style for reliable soldering

Applications

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

Procurement Notes

Verify the current lifecycle status before procurement as this component may be obsolete or discontinued. Confirm availability through authorized distributors and check for valid datasheets to ensure technical compliance. Request specific delivery quotes due to potential supply constraints.

Selection Notes

Select this component for designs requiring a 680 nH inductance with tight tolerance in an unshielded SMD package. Ensure the operating environment supports the specified electrical parameters and that the physical footprint matches the PCB design requirements.

Part Context

This part belongs to the Delevan 105 series of RF inductors. It shares similar inductance values with other models like the 105-681F but differs in tolerance and current rating specifications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components based on exact electrical and mechanical specifications.