1025R-18K

Fixed Inductors Overview

The Delevan 1025R-18K is an unshielded RF inductor with axial leads, designed for through-hole PCB mounting. It features a nominal inductance of 0.82 µH (820 nH) with a tolerance of ±10%. The component has a maximum DC resistance of 0.85 Ω and supports a maximum DC current of 420 mA. It exhibits a self-resonant frequency of 250 MHz and a minimum Q factor of 28 at 25 MHz. Operating temperatures range from -55°C to +105°C. Physical dimensions are 6.35 mm in length and 2.41 mm in diameter.

Fixed Inductors Feature Summary

• Unshielded molded construction for general-purpose RF applications
• Axial leaded termination style suitable for through-hole mounting
• Established reliability design for consistent performance

Fixed Inductors Applications

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

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct tolerance and packaging configuration. Confirm RoHS compliance status as indicated in current datasheets. Cross-reference part numbers with authorized distributors to validate authenticity and avoid counterfeit components. Ensure procurement channels provide valid traceability records for quality assurance purposes.

Fixed Inductors Selection Notes

Select this component when an unshielded axial RF inductor with 0.82 µH nominal value is required. Consider the 420 mA current rating and 0.85 Ω DCR for power handling needs. Verify that the 250 MHz self-resonant frequency aligns with target operating bands. Ensure physical footprint constraints match the 6.35 mm length and 2.41 mm diameter specifications.

Fixed Inductors Part Context

This part belongs to the 1025R series of fixed RF inductors manufactured by API Delevan. The series offers various inductance values with axial leads and molded construction. These components are categorized under RF Inductors - Leaded and are intended for established reliability applications requiring through-hole integration in electronic assemblies.

Fixed Inductors Replacement Considerations

Direct substitutes within the same series include ER1025-18JM, which shares similar electrical characteristics but may differ in tolerance or packaging details. Verify compatibility before substitution.