103R-392G

Overview

The Delevan 103R-392G is an unshielded fixed inductor with a nominal inductance of 3.9 µH and a tolerance of ±2%. It features a ferrite core and SMD/SMT termination style, suitable for general-purpose applications. The component has a maximum DC resistance of 1.55 Ohms and a rated current of 250 mA. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded construction utilizing a ferrite core
• Surface-mount device (SMD) form factor
• High precision tolerance of ±2%

Applications

• General-purpose electronic circuits
• RF signal processing
• Power supply filtering

Procurement Notes

Verify the manufacturer part number against official API Delevan documentation to confirm specifications. Ensure compatibility with surface-mount assembly processes. Check for RoHS compliance status if required by specific regulatory standards. Confirm package type matches design requirements.

Selection Notes

Select this component for applications requiring precise inductance values with tight tolerances. Consider the 250 mA current rating and 1.55 Ohm DC resistance when designing circuit loops. The small footprint suits space-constrained PCB layouts. Verify thermal management needs based on expected operating currents.

Part Context

This part belongs to the API Delevan fixed inductor family, designed for surface-mount technology. It serves as a passive component for energy storage and filtering in electronic systems. The series offers various inductance values with consistent physical dimensions for standardized placement.

Replacement Considerations

Direct substitutes include other 3.9 µH SMD inductors with ±2% tolerance and similar current ratings. Ensure replacement parts match the 2.5x2.5 mm footprint and ferrite core characteristics. Verify DC resistance limits do not exceed 1.55 Ohms for equivalent performance.