0819-74J

Overview

The Delevan 0819-74J is a leaded RF inductor from the 0819 series, featuring a molded unshielded coil design. It offers an inductance of 120 µH with a 5% tolerance and a maximum DC resistance of 16 ohms. The component supports a maximum DC current of 69 mA and maintains a minimum Q factor of 45 at its self-resonant frequency of 11.5 MHz. Designed for PCB mounting via axial terminals, it measures 5.08 mm in length and 1.98 mm in diameter.

Feature Summary

• Molded unshielded coil construction for RF applications
• Axial leaded termination style for standard PCB mounting
• High Q factor performance at low self-resonant frequencies

Applications

• RF circuit filtering
• Impedance matching networks
• General radio frequency signal processing

Procurement Notes

Verify RoHS compliance status as documentation indicates non-compliance for this specific part number. Confirm manufacturing origin and supply chain stability prior to procurement. Ensure ordering quantities align with manufacturer reel packaging requirements. Validate technical specifications against final design schematics to guarantee compatibility with target RF operating conditions.

Selection Notes

Select this component for designs requiring high inductance values within a compact axial form factor. Consider the 16-ohm DC resistance when calculating power loss and thermal management. Evaluate the 69 mA current rating against peak operational loads. Compare self-resonant characteristics with circuit bandwidth requirements to ensure effective RF performance without parasitic resonance issues.

Part Context

This component belongs to the Delevan 0819 series of leaded RF inductors. The series provides various inductance values tailored for radio frequency applications. These components utilize molded unshielded coils to balance performance and size constraints in electronic assemblies requiring discrete RF filtering or tuning elements.

Replacement Considerations

Direct substitutes include other Delevan 0819 series variants with similar electrical parameters. Cross-reference impedance and current ratings when evaluating alternative manufacturers. Verify terminal compatibility and physical dimensions to ensure seamless integration into existing PCB layouts without mechanical modifications.