103R-122K

Overview

The Delevan 103R-122K is a fixed surface-mount inductor with a nominal inductance of 1.2 µH and a tolerance of ±10%. It features a maximum DC resistance of 740 mΩ and a rated current of 360 mA. The component utilizes a ferrite core and is housed in a nonstandard, two-lead SMD package measuring 2.54 mm in length and width, with a height of 1.91 mm. Designed for RF applications, it operates within a temperature range of -55°C to 125°C.

Feature Summary

• Unshielded construction utilizing a ferrite core for general-purpose RF signal handling
• Surface-mount design with standard two-terminal configuration for PCB integration
• Robust thermal performance supporting operation across extended industrial temperature ranges

Applications

• RF circuit filtering and impedance matching networks
• General-purpose signal processing in electronic assemblies
• High-frequency choke applications in communication devices

Procurement Notes

Verify the specific suffix designation against official API Delevan documentation to confirm exact electrical tolerances and packaging configurations. Ensure that the selected variant matches the required inductance value and current rating for the target application. Cross-reference manufacturer datasheets for any recent product change notices or environmental compliance updates prior to final procurement decisions.

Selection Notes

Select this component when a 1.2 µH inductance is required for RF environments with moderate current demands up to 360 mA. Consider the unshielded nature of the device regarding potential electromagnetic interference coupling in dense layouts. Evaluate the physical footprint constraints against the 1010-style dimensions to ensure compatibility with existing board space and mounting requirements.

Part Context

This part belongs to the 103R series of micro chip inductors manufactured by API Delevan. The series is characterized by its use of ferrite cores and suitability for radio frequency applications. The 103R-122K represents a specific value within this lineup, offering a balance between inductance and current handling capabilities for general electronic circuits.

Replacement Considerations

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