0819-72H

Overview

The Delevan 0819-72H is a fixed axial leaded RF inductor featuring a molded unshielded coil construction. It provides an inductance of 100 µH with a tolerance of ±3%. The component has a maximum DC resistance of 17.5 Ohms and supports a maximum DC current of 52 mA. Key electrical characteristics include a minimum Q factor of 45 at 790 kHz and a self-resonant frequency of 11 MHz. Designed for PCB mounting, it operates within a temperature range of -55°C to 105°C.

Feature Summary

• Molded unshielded coil design for standard RF applications
• Axial lead termination style suitable for through-hole PCB mounting
• High Q factor performance at specified test frequencies

Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF signal processing

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct tolerance and parameter alignment. Confirm RoHS compliance status directly from the datasheet as availability may vary by region. Cross-reference the part number with authorized distributors to validate current production status and technical specifications before procurement.

Selection Notes

Select this component when a 100 µH inductance value is required for axial mounting configurations. Ensure the 52 mA current rating meets the circuit's operational requirements. Consider the unshielded nature of the coil regarding potential magnetic interference in dense layouts. Verify that the 11 MHz self-resonant frequency aligns with the target operating band.

Part Context

This part belongs to the Delevan 0819 series of fixed RF inductors. These components are characterized by their molded epoxy construction and axial leads. The series offers various inductance values tailored for radio frequency applications, providing reliable performance in compact electronic designs requiring precise inductive elements.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Potential alternatives include other axial molded RF inductors with matching 100 µH inductance and similar current ratings. Ensure any replacement maintains compatible physical dimensions and electrical parameters such as DCR and Q factor.