105R-221H

Overview

The Delevan 105R-221H is a fixed surface-mount RF inductor with a nominal inductance of 0.22 µH and a tolerance of 3%. It features a maximum DC resistance of 0.21 Ω, a self-resonant frequency of 360 MHz, and a minimum quality factor of 40 at the nominal inductance. The component has a rectangular package shape, operates between -55 °C and 125 °C, and includes two terminals.

Feature Summary

• Designed for radio frequency applications as a general-purpose inductor
• Utilizes an iron core material for stable performance
• Constructed in a rectangular surface-mount package

Applications

• RF circuits
• General purpose inductive filtering

Procurement Notes

Verify RoHS compliance status carefully, as documentation indicates non-compliance for this specific part number. Confirm lead material specifications against project requirements due to potential lead content. Ensure the supplier provides the official API Delevan datasheet to validate electrical parameters before integration into the design.

Selection Notes

Select this component when a 0.22 µH value is required for SMT assembly. Consider the 360 MHz self-resonant frequency limit for high-frequency designs. Evaluate the 0.21 Ω DC resistance against current handling needs, noting the 125 °C maximum operating temperature range for thermal compatibility.

Part Context

This component belongs to the 105 series of fixed inductors manufactured by API Delevan. It is categorized under RF inductors and general-purpose inductors. The part utilizes a rectangular package format suitable for surface-mount technology, distinguishing it from axial leaded variants within the manufacturer's broader portfolio.

FAQ

Is the 105R-221H RoHS compliant?

No, official specifications indicate that this part is not RoHS compliant.

What is the self-resonant frequency of this inductor?

The self-resonant frequency is specified as 360 MHz.