4470-17J

Fixed Inductors Overview

The Delevan 4470-17J is a leaded RF inductor featuring a molded unshielded coil construction with axial termination. It provides an inductance of 22 uH with a tolerance of 5% and a maximum DC resistance of 0.5 ohms. The component supports a maximum DC current of 1 A and achieves a minimum Q factor of 75 at its self-resonant frequency of 25.6 MHz. Designed for PCB mounting, it measures 23.11 mm in length and 7.87 mm in diameter, operating within a temperature range of -55 °C to 125 °C.

Fixed Inductors Feature Summary

• Molded unshielded coil design for RF applications
• Axial leaded termination for standard PCB mounting
• Iron-core construction supporting high Q factors

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF inductance requirements

Fixed Inductors Procurement Notes

Verify the specific suffix designation against official API Delevan documentation to confirm exact electrical tolerances and material composition. Ensure compatibility with MIL-PRF-15305 test methods if required by the application specification. Confirm RoHS compliance status through the manufacturer's current datasheet release.

Fixed Inductors Selection Notes

Select this component when a 22 uH inductance value with 5% tolerance is required for RF environments. Consider the 1 A current rating and 0.5 ohm DCR limits during thermal management planning. Verify that the unshielded magnetic field does not interfere with adjacent sensitive circuitry on the PCB layout.

Fixed Inductors Part Context

This part belongs to the 4470/R series of molded unshielded RF coils manufactured by API Delevan. The series offers various inductance values tailored for radio frequency applications, utilizing iron cores to maintain performance characteristics across specified temperature ranges.

Fixed Inductors Replacement Considerations

Cross-reference with other 4470 series variants such as 4470R-17J for potential functional equivalents. Verify physical dimensions and lead spacing match existing board footprints before substitution.