103R-102K

Overview

The Delevan 103R-102K is a surface-mount RF inductor from the 103/R series, featuring a ferrite core and unshielded construction. It provides an inductance of 1 µH with a tolerance of ±10%. The component supports a maximum DC current of 425 mA and exhibits a maximum DC resistance of 540 mOhms. It operates within a temperature range of -55°C to +125°C and has a self-resonant frequency of 145 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 design suitable for RF applications
• Ferrite core construction for stable inductance
• Standard two-terminal surface mount configuration

Applications

• RF choke circuits
• General purpose RF inductors
• Signal filtering in electronic assemblies

Procurement Notes

Verify RoHS compliance status as documentation indicates varying classifications across sources. Confirm package availability options such as tape and reel or cut tape. Ensure the specific suffix matches the required tolerance and current ratings for your design. Cross-reference manufacturer part numbers to avoid confusion with similar series variants.

Selection Notes

Select this component for designs requiring a compact 1 µH inductor with moderate current handling. The unshielded nature requires consideration for electromagnetic interference in dense layouts. Verify that the 425 mA rating meets the circuit's continuous current demands. Check thermal performance at the upper operating limit of 125°C.

Part Context

This part belongs to the Delevan 103/R series of fixed RF inductors. These components are designed for surface mount technology and utilize ferrite cores. The series offers various inductance values tailored for radio frequency signal processing and impedance matching tasks in consumer and industrial electronics.

Replacement Considerations

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