1331R-221K

Fixed Inductors Overview

The Delevan 1331R-221K is a surface-mount shielded RF inductor with an inductance of 220 nH and a tolerance of ±10%. It features a maximum DC current rating of 545 mA and a maximum DC resistance of 150 mOhms. The component operates within a temperature range of -55°C to +105°C, maintaining a minimum Q factor of 45 at 25 MHz. Its physical dimensions are 8.26 mm in length, 3.18 mm in width, and 3.68 mm in height.

Fixed Inductors Feature Summary

• Shielded construction minimizes electromagnetic interference for stable RF performance
• Iron core material supports high-frequency operation up to 25 MHz testing conditions
• Surface mount design facilitates automated PCB assembly processes

Fixed Inductors Applications

• RF circuit filtering applications
• Impedance matching networks
• High-frequency signal processing systems

Fixed Inductors Procurement Notes

Verify the specific manufacturer part number against official Delevan documentation to confirm exact electrical parameters and mechanical tolerances. Ensure compatibility with standard SMD reflow soldering profiles. Confirm RoHS compliance status and packaging quantities directly with authorized suppliers before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a shielded inductor with 220 nH inductance is required for space-constrained designs. The 545 mA current rating suits moderate power RF stages. Verify that the 8.26 x 3.18 mm footprint fits the target PCB layout. Consider the 150 mOhm DCR impact on circuit efficiency during initial design phases.

Fixed Inductors Part Context

This component belongs to the 1331R series of fixed RF inductors manufactured by Delevan. The series provides shielded surface-mount options for radio frequency applications. The 1331R-221K specifically addresses needs for compact, high-Q inductors in dense electronic assemblies requiring reliable magnetic shielding.

Fixed Inductors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.