HF1008R-621K

Fixed Inductors Overview

The Delevan HF1008R-621K is an unshielded surface-mount RF inductor with a nominal inductance of 620 nH and a tolerance of ±10%. It operates within a maximum DC current of 290 mA and exhibits a maximum DC resistance of 1.75 Ohms. The component features a minimum Q factor of 30 and a self-resonant frequency of 375 MHz. Housed in a 1008 (2520 metric) package, its physical dimensions are 2.92 mm in length, 2.66 mm in width, and 2.41 mm in height.

Fixed Inductors Feature Summary

• Unshielded construction suitable for general RF applications
• Standard SMD/SMT termination style for PCB mounting
• Fixed inductance design optimized for radio frequency circuits

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• General purpose radio frequency signal processing

Fixed Inductors Procurement Notes

Verify the specific suffix designation during procurement to ensure correct tolerance levels. The 'K' suffix indicates a ±10% tolerance, which differs from other variants in the series that may offer tighter tolerances such as ±2%. Confirm RoHS compliance status through official manufacturer documentation before integration into regulated assemblies.

Fixed Inductors Selection Notes

Select this component when a 620 nH inductance value with moderate precision is required for RF designs. Ensure the operating current remains below the 290 mA limit to prevent saturation or excessive heating. The unshielded nature requires careful layout consideration to minimize electromagnetic interference with adjacent sensitive components on the printed circuit board.

Fixed Inductors Part Context

This part belongs to the HF1008/R series of fixed inductors manufactured by API Delevan. The series provides various inductance values in a standardized 1008 footprint, allowing designers to maintain consistent board space utilization across different circuit requirements while accessing specific electrical characteristics for each variant.

Fixed Inductors Replacement Considerations

Direct substitutes include HF1008R-621G, which offers identical electrical parameters but with a tighter ±2% tolerance. Designers must verify if the stricter tolerance of the G suffix is acceptable for their specific application requirements before substituting.