103R-472J

Overview

The Delevan 103R-472J is an unshielded fixed RF inductor with a nominal inductance of 4.7 µH and a tolerance of ±5%. It features a maximum DC resistance of 1.8 Ohms and a rated current of 230 mA. The component utilizes a ferrite core and operates within a temperature range of -55°C to +125°C. Its self-resonant frequency is 1.22 GHz, with a minimum Q factor of 24 at the test frequency. The 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
• Ferrite core material providing stable inductance characteristics
• Surface mount design compatible with standard PCB assembly processes

Applications

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

Procurement Notes

Verify the specific manufacturer part number against official API Delevan documentation to confirm electrical parameters such as DC resistance and current rating. Ensure compatibility with surface mount assembly requirements and check for RoHS compliance status prior to procurement.

Selection Notes

Select this component for applications requiring a 4.7 µH inductance in a compact 1005 metric footprint. Consider the 230 mA current rating and 1.8 Ohm DC resistance when designing power-sensitive RF stages. Verify that the self-resonant frequency aligns with the target operating band.

Part Context

This component belongs to the 103/R series of RF inductors manufactured by API Delevan. The series offers various inductance values in a standardized small surface-mount package, designed specifically for radio frequency circuits where space constraints and high-frequency performance are critical.

Replacement Considerations

Cross-reference with other 103R series variants or equivalent 1005 footprint RF inductors from other manufacturers. Ensure substitute parts match the 4.7 µH value, 5% tolerance, and similar current handling capabilities.