105R-182J

Overview

The Delevan 105R-182J is a fixed surface-mount RF inductor with an inductance of 1.8 µH and a tolerance of ±5%. It features a ferrite core, unshielded construction, and a maximum DC resistance of 1.5 ohms. The rated current is 250 mA, with a self-resonant frequency of 405 MHz and a Q factor of 40 at 7.9 MHz. The component operates within a temperature range of -55°C to 125°C.

Feature Summary

• Unshielded SMD design for high-frequency applications
• Ferrite core construction for stable inductance
• High Q factor performance at 7.9 MHz

Applications

• RF signal processing circuits
• Impedance matching networks
• Filtering components in communication systems

Procurement Notes

Verify the manufacturer designation as API Delevan Inc. or Delevan during sourcing. Confirm RoHS compliance status, as some sources indicate non-compliance. Ensure the package matches the standard 1008 (2520 metric) dimensions and that the 1.5 ohm DCR specification aligns with your circuit requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring a precise 1.8 µH value with tight ±5% tolerance. The 250 mA current rating and 1.5 ohm resistance define its power handling limits. Consider the 405 MHz self-resonant frequency to ensure operation remains below the resonance point for effective filtering or matching behavior.

Part Context

This part belongs to the 105/R series of unshielded surface-mount RF inductors manufactured by API Delevan. These components are designed for use in radio frequency circuits where compact size and specific inductive values are required without magnetic shielding interference.

Replacement Considerations

Public confirmed substitute part numbers: 105-182J.