1945-04F

Fixed Inductors Overview

The Delevan 1945-04F is a fixed axial leaded inductor from the 1945 series. It features an unshielded molded construction with an iron core. The nominal inductance is 4.7 µH with a tolerance of ±1%. The maximum DC resistance is 280 mΩ, and the rated current is 1 A. The component operates within a temperature range of -55°C to +125°C. Physical dimensions are 4.9 mm in diameter and 11.35 mm in length.

Fixed Inductors Feature Summary

• Unshielded molded coil design for general-purpose RF applications
• Axial through-hole termination style for PCB mounting
• Iron core construction providing stable inductance characteristics

Fixed Inductors Applications

• RF circuit filtering
• General purpose inductive components
• Signal processing circuits

Fixed Inductors Procurement Notes

Verify RoHS compliance status as sources indicate non-compliance or undefined status. Confirm lead-free availability if required by assembly standards. Check specific datasheet revisions for electrical parameter tolerances. Ensure ordering suffixes match desired packaging formats such as tape and reel quantities.

Fixed Inductors Selection Notes

Select this component for applications requiring low inductance values with high current handling capabilities up to 1 A. The unshielded design may require layout consideration for magnetic interference. Verify that the axial package fits the target PCB footprint constraints. Compare DCR specifications against power loss requirements in the circuit design.

Fixed Inductors Part Context

This part belongs to the API Delevan 1945 series of molded unshielded RF coils. The series offers various inductance values using iron cores. These components are designed for through-hole mounting on printed circuit boards. The 1945 series provides a standardized form factor for consistent mechanical integration.

Fixed Inductors Replacement Considerations

Cross-reference with other 4.7 µH axial inductors from manufacturers offering similar current ratings. Verify physical dimension compatibility for direct replacement. Check if alternative parts meet the -55°C to +125°C operating temperature range.