103R-181J

Overview

The Delevan 103R-181J is a surface-mount RF inductor with an inductance of 180 nH and a tolerance of ±5%. It features a maximum DC resistance of 200 mOhms and supports a maximum DC current of 695 mA. The component exhibits a minimum Q factor of 25 and a self-resonant frequency of 550 MHz. It utilizes an unshielded design suitable for high-frequency applications.

Feature Summary

• Unshielded construction optimized for radio frequency signal integrity
• High self-resonant frequency capability for RF circuit integration
• Surface mount package format for automated PCB assembly

Applications

• RF filtering circuits
• Impedance matching networks
• Tuning applications in communication devices

Procurement Notes

Verify the specific manufacturer source, as API Delevan assets are managed by various entities. Confirm RoHS compliance status and lead times directly with authorized distributors or the current rights holder. Ensure the part number matches the exact specification sheet to avoid confusion with similar series components.

Selection Notes

Select this component when a compact, unshielded inductor is required for RF environments. The low DC resistance and high self-resonant frequency make it suitable for high-frequency signal paths. Verify that the 695 mA current rating meets the circuit's operational requirements without saturation.

Part Context

This component belongs to the 103/R series of fixed inductors manufactured by Delevan. The series is characterized by small form factors designed for space-constrained electronic designs. These inductors are typically utilized in applications requiring stable inductance values at radio frequencies.

Replacement Considerations

Consult official substitution guides for equivalent unshielded RF inductors with matching 180 nH inductance and similar current ratings. Verify footprint compatibility and electrical performance parameters before replacing.