103R-331GS

Overview

The Delevan 103R-331GS is a fixed surface-mount RF inductor with a nominal inductance of 0.33 µH and a tolerance of ±2%. It features a maximum DC resistance of 0.235 Ω and a rated current of 645 mA. The component utilizes a ferrite core and operates within a temperature range of -55°C to 125°C. Its physical dimensions are 2.54 mm x 2.54 mm, with a maximum height of 1.91 mm.

Feature Summary

• Unshielded chip construction for general-purpose RF applications
• Ferrite core material providing stable inductance characteristics
• Surface-mount design compatible with standard PCB assembly processes

Applications

• RF signal filtering circuits
• Impedance matching networks
• General-purpose high-frequency circuitry

Procurement Notes

Verify the specific suffix 'GS' against manufacturer documentation to confirm lead-free status and packaging configuration. Confirm RoHS compliance details as some variants may differ. Ensure ordering quantities align with manufacturer standard pack sizes to avoid handling discrepancies.

Selection Notes

Select this component for applications requiring a compact, unshielded inductor with moderate current handling capabilities. Consider the self-resonant frequency limits when designing high-frequency circuits. Evaluate thermal management requirements given the operating temperature range and power dissipation at rated current.

Part Context

This part belongs to the 103 series of fixed inductors from API Delevan. The series offers various inductance values tailored for RF and general electronic applications. The 103R variant specifically denotes the unshielded chip style within this product line.

Replacement Considerations

Direct substitutes include the 103-331G and 103-331GS. Verify electrical parameters such as DCR and tolerance match before substitution. Check package dimensions and pinout compatibility to ensure mechanical fit on the target PCB.