1025R-42K

Fixed Inductors Overview

The Delevan 1025R-42K is a fixed axial leaded RF inductor from the 1025/R series. It features an unshielded molded construction with an iron core, designed for through-hole PCB mounting. The component provides an inductance of 8.2 µH with a tolerance of ±5%. It supports a maximum DC current of 160 mA and has a maximum DC resistance of 2.7 Ohms. Key electrical characteristics include a minimum Q factor of 50 at 2.5 MHz and a self-resonant frequency of 30 MHz. The unit operates within a temperature range of -55°C to +105°C.

Fixed Inductors Feature Summary

• Molded unshielded design suitable for high-frequency RF applications
• Axial leaded termination for standard through-hole PCB integration
• Iron core construction providing stable inductance performance

Fixed Inductors Applications

• RF circuit filtering and impedance matching
• High-frequency signal processing stages
• General purpose RF inductive components

Fixed Inductors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact tolerance and current ratings. Confirm RoHS compliance status and REACH SVHC declarations prior to procurement. Ensure ordering quantities align with standard packaging configurations provided by authorized distributors.

Fixed Inductors Selection Notes

Select this component when an 8.2 µH inductance value is required for RF circuits. Consider the 160 mA current rating and 2.7 Ohm DCR limits for power handling requirements. Verify that the 30 MHz self-resonant frequency meets the operational bandwidth needs of the target application.

Fixed Inductors Part Context

This part belongs to the Delevan 1025/R series of RF inductors. These components are characterized by their molded, unshielded axial form factor. The series offers various inductance values tailored for radio frequency applications requiring reliable through-hole mounting solutions.

Fixed Inductors Replacement Considerations

Consult official cross-reference data for verified substitute part numbers. Generic equivalents may differ in Q factor, self-resonant frequency, or physical dimensions.