103R-273K

Overview

The Delevan 103R-273K is an unshielded surface-mount RF inductor with a nominal inductance of 27 uH and a tolerance of 10%. It features a ferrite core and wirewound construction, measuring 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. The component has a maximum DC current rating of 120 mA and a maximum DC resistance of 6.9 ohms. It operates within a temperature range of -55 °C to +125 °C.

Feature Summary

• Unshielded chip design for radio frequency applications
• Ferrite core with wirewound construction
• Surface mount termination style

Applications

• RF circuits
• Power electronics
• General purpose inductors

Procurement Notes

Verify the specific manufacturer designation, as sources list both API Delevan Inc. and Delevan. Confirm RoHS compliance status through official documentation, as some records indicate non-compliance while others show detailed information. Ensure the datasheet matches the exact part number to confirm electrical parameters before integration into designs.

Selection Notes

Select this component for applications requiring a 27 uH inductance with a 10% tolerance in a compact SMD package. Consider the 6.9 ohm DC resistance and 120 mA current limit when designing power stages. Verify thermal performance within the specified -55 °C to +125 °C operating range for environmental suitability.

Part Context

This component belongs to the 103/R series of fixed inductors manufactured by Delevan. It is categorized under RF Inductors - SMD and falls within the broader subcategory of Inductors, Chokes & Coils. The product utilizes standard surface mount technology for PCB mounting.

Replacement Considerations

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