103R-271K

Overview

The Delevan 103R-271K is an unshielded surface-mount RF inductor with a nominal inductance of 270 nH and a tolerance of ±10%. It features a maximum DC resistance of 230 mΩ and supports a maximum DC current of 650 mA. The component exhibits a minimum Q factor of 40 and operates within a temperature range of -55°C to +125°C. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.65 mm in height.

Feature Summary

• Unshielded wirewound construction for radio frequency applications
• Standard two-terminal surface mount configuration
• High-Q performance suitable for precision circuit tuning

Applications

• RF signal processing circuits
• High-frequency impedance matching networks
• General purpose RF filtering

Procurement Notes

Verify the specific manufacturer source, as API Delevan assets have undergone corporate restructuring. Confirm RoHS compliance status directly with the supplier documentation. Ensure the component meets the required thermal operating range for the intended environment. Validate that the unshielded design does not introduce unacceptable interference in the target PCB layout.

Selection Notes

Select this component when an unshielded SMD inductor is required for RF applications. The 103R series offers a balance of size and electrical performance. Consider the 650 mA current rating against the circuit's peak load requirements. Verify that the 230 mΩ DC resistance aligns with power loss constraints in the design.

Part Context

This part belongs to the 103R series of fixed chip inductors manufactured by API Delevan. The series is designed for surface mount technology (SMT) assembly on printed circuit boards. These components are categorized under general-purpose RF inductors, distinct from shielded or high-power variants within the broader product portfolio.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires manual verification of inductance, tolerance, current rating, and physical footprint compatibility with alternative manufacturers.