1537-44H

Fixed Inductors Overview

The Delevan 1537-44H is a fixed axial leaded RF inductor designed for through-hole PCB mounting. It features an unshielded molded construction with a nominal inductance of 22 µH and a tolerance of ±10%. The component has a maximum DC resistance of 2.5 Ohms and a rated current of 202 mA. Key electrical characteristics include a Q factor of 75 at 2.5 MHz and a self-resonant frequency of 30 MHz. Physical dimensions are 9.53 mm in length and 3.96 mm in diameter.

Fixed Inductors Feature Summary

• Unshielded molded design suitable for general RF applications
• Axial leaded termination style for reliable through-hole integration
• High Q factor performance at standard test frequencies

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• General purpose inductive components

Fixed Inductors Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact tolerance and current rating specifications. Ensure that the selected variant matches the required thermal operating range and physical footprint constraints for the target printed circuit board assembly.

Fixed Inductors Selection Notes

Select this component when an unshielded axial inductor with 22 µH nominal value is required. Consider the 202 mA current rating and 2.5 Ohm DC resistance limits during circuit design. Confirm that the 30 MHz self-resonant frequency aligns with the intended operational bandwidth requirements.

Fixed Inductors Part Context

This part belongs to the established 1537 series of molded RF coils manufactured by Delevan (API Delevan). The series provides various inductance values optimized for radio frequency applications, utilizing phenolic or similar core materials within a robust axial package format.

Fixed Inductors Replacement Considerations

Cross-reference equivalent parts from other manufacturers offering 22 µH axial RF inductors with comparable Q factors and current ratings. Verify dimensional compatibility and terminal configuration before substitution.