103R-391J

Overview

The Delevan 103R-391J is an unshielded surface-mount RF inductor with a nominal inductance of 390 nH and a tolerance of ±5%. It features a ferrite core and supports a maximum DC current of 635 mA. The component exhibits a maximum DC resistance of 240 mOhms, a minimum Q factor of 22, and a self-resonant frequency of 215 MHz. 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 for RF applications
• Surface-mount design compatible with standard PCB assembly processes
• High self-resonant frequency capability for radio frequency signal handling

Applications

• Radio frequency circuit filtering
• Impedance matching networks
• RF signal processing stages

Procurement Notes

Verify the specific manufacturer part number against official Delevan documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with surface-mount assembly requirements and check for RoHS compliance status in the latest datasheet before procurement.

Selection Notes

Select this component for applications requiring a 390 nH inductance value with moderate current handling capabilities. Consider the unshielded nature of the device regarding potential electromagnetic interference in dense layouts. Verify that the 635 mA current rating meets the operational requirements of the target circuit.

Part Context

This component belongs to the 103/R series of fixed inductors manufactured by Delevan. The series is designed for general-purpose RF applications using SMD technology. The 103R-391J specifically provides a standardized inductance value within this product line.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official manufacturer cross-reference lists or authorized distributors for verified alternatives.