103R-123J

Overview

The Delevan 103R-123J is an unshielded surface-mount RF inductor with a nominal inductance of 12 µH and a tolerance of ±5%. It features a maximum DC resistance of 3.8 Ω and a current rating of 160 mA. The component measures 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. Designed for SMT assembly, it operates within a temperature range of -55 °C to +125 °C.

Feature Summary

• Unshielded construction suitable for RF applications
• Surface-mount technology (SMT) package
• Standard two-terminal configuration

Applications

• RF circuit design
• Signal processing systems
• General-purpose inductive filtering

Procurement Notes

Verify the specific manufacturer designation, as API Delevan assets are often associated with Cooper Industries or similar entities. Confirm RoHS compliance status directly with the supplier documentation. Ensure the ordering suffix matches the required reel quantity and packaging specifications for automated placement equipment.

Selection Notes

Select this component when a 12 µH inductance value is required for high-frequency signal paths. The unshielded design minimizes magnetic interference coupling but requires careful PCB layout. Evaluate the 160 mA current limit against peak operational loads to prevent saturation.

Part Context

This part belongs to the 103R series of fixed RF inductors manufactured by Delevan. These components are characterized by their compact rectangular footprint and phenolic core construction, optimized for standard surface-mount reflow processes in electronic assemblies.

Replacement Considerations

Cross-reference with other 12 µH unshielded SMD inductors from manufacturers such as Coilcraft or Bourns. Verify that substitute parts match the 2.54 x 2.54 mm footprint and 1.91 mm height constraints.