103R-120JS

Overview

The Delevan 103R-120JS is an unshielded surface-mount RF inductor from the 103/R series. It features a nominal inductance of 12 nH with a 5% tolerance and a maximum DC resistance of 69 mOhms. The component supports a maximum DC current of 1.19 A and achieves a minimum Q factor of 57. Its self-resonant frequency is specified at 1.335 GHz. The physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height, designed for standard PCB mounting.

Feature Summary

• Unshielded construction suitable for general RF applications
• High self-resonant frequency capability up to 1.335 GHz
• Compact rectangular SMD package design

Applications

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

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct tolerance and parameter alignment. Confirm RoHS compliance status and lead-free certification requirements prior to procurement. Cross-reference the Mouser part number 807-103R-120JS for accurate sourcing details and availability checks.

Selection Notes

Select this component for low-inductance RF applications requiring high current handling capabilities. The 12 nH value and 1.19 A rating make it suitable for power-efficient RF stages. Ensure the unshielded nature does not cause interference in dense layouts. Verify that the 103/R series footprint matches the target PCB design constraints.

Part Context

This part belongs to the Delevan 103/R series of fixed RF inductors. These components are characterized by their small rectangular form factor and unshielded design. The series provides various inductance values optimized for radio frequency circuits, offering a balance between size, current capacity, and electrical performance for SMT assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.