103R-272JS

Overview

The Delevan 103R-272JS is an unshielded surface-mount RF inductor from the 103/R series. It features a nominal inductance of 2.7 uH with a tolerance of 5%. The component has a maximum DC current rating of 290 mA and a maximum DC resistance of 1.15 Ohms. Its minimum Q factor is 22, with a self-resonant frequency of 65 MHz. 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
• Standard SMD/SMT termination style
• PCB mount installation configuration

Applications

• RF circuit design
• Signal processing components
• General purpose RF filtering

Procurement Notes

Verify RoHS compliance status through official manufacturer documentation before integration. Confirm that the specific ordering suffix matches the required electrical parameters. Ensure supply chain sources provide valid datasheets to validate performance characteristics against design requirements.

Selection Notes

Select this component when a 2.7 uH inductance value is required within the 103/R series footprint constraints. Consider the 290 mA current limit and 1.15 Ohm resistance for power handling needs. Evaluate the 65 MHz self-resonant frequency to ensure suitability for the target operating band.

Part Context

This part belongs to the Delevan 103/R series of RF inductors. These components are designed for surface-mount technology applications requiring precise inductance values. The series offers various tolerance options and current ratings to support diverse radio frequency circuit architectures.

Replacement Considerations

Cross-reference other 103R-272 variants or equivalent 0805 footprint inductors with matching 2.7 uH specifications. Verify dimensional compatibility and electrical parameter alignment before substitution.