103R-472H

Overview

The Delevan 103R-472H is an unshielded surface-mount RF inductor with a nominal inductance of 4.7 µH and a tolerance of 3%. It features a maximum DC resistance of 1.8 Ω and a rated current of 230 mA. The component has a minimum Q factor of 24 and operates within a temperature range of -55°C to +125°C. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded wirewound construction for RF applications
• Standard two-terminal SMD/SMT termination
• High thermal stability across extended operating temperatures

Applications

• RF circuit design
• PCB mounting
• General purpose inductor tasks

Procurement Notes

Verify the specific manufacturer designation, as API Delevan and Delevan are referenced in available records. Confirm RoHS compliance status through official documentation before procurement. Ensure the ordering suffix matches the required tolerance and packaging specifications for the intended production run.

Selection Notes

Select this component for applications requiring a 4.7 µH inductance with tight 3% tolerance. Consider the 230 mA current rating and 1.8 Ω DC resistance when designing power-sensitive RF circuits. The 1010 package size suits space-constrained PCB layouts requiring standard SMT assembly processes.

Part Context

This part belongs to the 103/R series of fixed inductors manufactured by Delevan. It is categorized under RF Inductors - SMD within the broader Inductors, Chokes & Coils subcategory. The product utilizes phenolic core material and is designed for general-purpose electronic applications.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.