103R-183HS

Overview

The Delevan 103R-183HS is an unshielded surface-mount RF inductor with an 18 µH nominal inductance and a ±3% tolerance. It features a maximum DC resistance of 5.8 Ohms and supports a maximum DC current of 130 mA. The component exhibits a minimum Q factor of 25 and a self-resonant frequency of 28 MHz. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. Designed for PCB mounting, it utilizes standard terminations and is supplied in reel packaging.

Feature Summary

• Unshielded construction suitable for RF applications
• Surface-mount design with standard SMD/SMT terminations
• Ferrite core wirewound technology

Applications

• RF circuit filtering
• PCB mounted signal processing
• SMT assembly integration

Procurement Notes

Verify the exact suffix against official manufacturer documentation to confirm specific tolerances and packaging configurations. Ensure that ordering requirements align with the designated reel quantities specified by the supplier. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and current availability status before finalizing procurement plans.

Selection Notes

Select this component when an unshielded RF inductor with 18 µH inductance is required for space-constrained designs. The 2.54 x 2.54 mm footprint accommodates standard SMT processes. Consider the 130 mA current rating and 5.8 Ohm DC resistance limits for circuit compatibility. Verify thermal performance within the specified operating temperature range during the design phase.

Part Context

This component belongs to the 103/R series of fixed inductors manufactured by Delevan. It is categorized under RF Inductors - SMD within the broader inductors, chokes, and coils subcategory. The product represents a specialized solution for radio frequency applications requiring precise inductance values in a compact surface-mount package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components based on matching electrical parameters including inductance, tolerance, current rating, and physical dimensions. Consult manufacturer cross-reference lists for verified compatible replacements.