103R-273J

Overview

The Delevan 103R-273J is an unshielded surface-mount RF inductor with a nominal inductance of 27 µH and a tolerance of ±5%. It features a maximum DC resistance of 6.9 Ω and a minimum Q factor of 25. The component supports a maximum DC current of 120 mA, operates within a temperature range of -55°C to +125°C, and utilizes ferrite core material. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded construction for general-purpose RF applications
• Ferrite core material ensuring stable inductive performance
• Surface-mount design compatible with standard PCB assembly processes

Applications

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

Procurement Notes

Verify the specific manufacturer designation, as API Delevan assets have been acquired by other entities. Confirm RoHS compliance status and lead time availability directly with authorized distributors or current stockholders, as supply chain ownership changes may affect sourcing channels and documentation accuracy.

Selection Notes

Select this component when an unshielded SMD inductor with 27 µH nominal value is required. Ensure the 120 mA current rating meets the circuit's operational demands. Consider the 6.9 Ω DC resistance impact on voltage drop and power dissipation within the specific application environment.

Part Context

This part belongs to the 103R series of fixed inductors designed for surface-mount technology. The series provides various inductance values tailored for RF and general electronic applications, offering a balance between size constraints and electrical performance characteristics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative components based on identical electrical parameters and mechanical footprint requirements.