0819-54K

Overview

The Delevan 0819-54K is a fixed axial leaded RF inductor from the 0819 series, designed for surface and through-hole PCB mounting. It features a molded unshielded coil construction with standard terminations. Key electrical parameters include an inductance of 18 uH with a tolerance of 10%, a maximum DC resistance of 3.8 ohms, and a minimum Q factor of 45. The component supports a maximum DC current of 140 mA and exhibits a self-resonant frequency of 20 MHz. Physical dimensions are 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 PCB mounting
• Standard terminal configuration

Applications

• RF circuit design
• Signal processing systems
• Electronic filtering components

Procurement Notes

Verify the specific manufacturer part number against official API Delevan documentation to confirm availability and exact specifications. Ensure that ordering suffixes do not alter functional characteristics unless explicitly stated in the source datasheet. Cross-reference technical parameters with authorized distributor data sheets prior to procurement to ensure compliance with project requirements.

Selection Notes

Select this component based on its 18 uH inductance value and 10% tolerance suitability for specific RF frequencies. Consider the 140 mA maximum DC current rating and 3.8 ohm DC resistance for power handling needs. The 20 MHz self-resonant frequency defines the operational bandwidth limits for high-frequency signal integrity in the target application environment.

Part Context

This component belongs to the Delevan 0819 series of RF inductors. It shares physical dimensions and mounting styles with other variants in the family, such as the 0819-54G and 0819-48F, but differs in electrical values like inductance and tolerance. The series provides standardized axial leaded options for various RF impedance matching and filtering requirements.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing electrical parameters such as inductance, tolerance, and current ratings against alternative components from the same manufacturer or industry standards.