103-821K

Overview

The Delevan 103-821K is a surface-mount RF inductor with an inductance of 820 nH and a tolerance of ±10%. It features a maximum DC current rating of 430 mA and a maximum DC resistance of 530 mOhms. The component has a minimum Q factor of 22 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. The device utilizes standard terminals and is packaged in reels for automated assembly.

Feature Summary

• Unshielded SMD construction designed for RF applications
• Compact rectangular footprint suitable for space-constrained PCB layouts
• Standard terminal configuration for reliable surface mounting

Applications

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

Procurement Notes

Verify the specific ordering suffix to confirm tolerance and packaging details. Confirm RoHS compliance status as it may vary by production batch. Ensure the reel quantity matches your assembly line requirements. Cross-reference the datasheet for any recent design changes or obsolescence notices before finalizing procurement plans.

Selection Notes

Select this component when an unshielded 820 nH inductor is required for high-frequency circuits. Consider the 430 mA current limit for power handling needs. Evaluate the 160 MHz self-resonant frequency against the operating bandwidth. Compare physical dimensions against available board space constraints.

Part Context

This part belongs to the 103/R series of RF inductors manufactured by Delevan. The series offers various inductance values optimized for radio frequency applications. These components are characterized by their small size and consistent electrical performance across the product line.

Replacement Considerations

Direct substitutes include the 103R-821K variant from the same manufacturer family.