1025R-94F

Fixed Inductors Overview

The Delevan 1025R-94F is a fixed, unshielded molded axial leaded inductor designed for through-hole mounting. It features an iron core and provides an inductance of 18 µH with a tolerance of ±1%. The component has a maximum DC resistance of 3.1 ohms and supports a rated current of 149 mA. It exhibits a self-resonant frequency of 640 MHz and maintains a Q value of 50 at a test frequency of 25 MHz. The unit operates within a temperature range of -55°C to 105°C.

Fixed Inductors Feature Summary

• Molded construction with an iron core for stable inductance performance
• High self-resonant frequency suitable for RF applications
• Unshielded design allowing flexible circuit layout
• Through-hole axial termination for reliable PCB integration

Fixed Inductors Applications

• RF filtering circuits
• Impedance matching networks
• General-purpose signal processing

Fixed Inductors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and testing frequencies. Ensure that the selected variant matches the required thermal operating range and current ratings for the target application environment. Cross-reference datasheet parameters prior to final procurement decisions.

Fixed Inductors Selection Notes

Select this component when high-frequency stability and low parasitic capacitance are critical requirements. The 18 µH value and 640 MHz self-resonant frequency make it suitable for RF stages where standard inductors may fail due to resonance limitations. Confirm that the 149 mA current rating aligns with the peak operational demands of the circuit design.

Fixed Inductors Part Context

This part belongs to the 1025R series of fixed inductors manufactured by API Delevan. The series utilizes molded technology with iron cores to provide consistent performance across various electronic assemblies. These components are engineered for durability and reliability in demanding environments, supporting both commercial and industrial electronics applications.

Fixed Inductors Replacement Considerations

Direct substitutes include other 18 µH axial inductors from the same manufacturer series, such as the 1025R-50J, which shares similar physical dimensions and mounting characteristics. Verify that alternative parts meet or exceed the 640 MHz self-resonant frequency requirement.