SMB20-RC

Overview

The SMB20-RC is a surface-mount ferrite bead manufactured by Allied Components International, designed for electromagnetic interference suppression in electronic circuits. It features a J-Lead package configuration suitable for automated assembly processes. The component exhibits an impedance of 38 ohms at a frequency of 100 MHz, providing effective noise attenuation in high-frequency applications. Its direct current resistance is specified at a maximum of 4.2 milliohms, ensuring minimal signal loss during operation. The device supports a rated current of 3 amperes, making it appropriate for power line filtering tasks where moderate current handling is required.

Feature Summary

• Surface mount ferrite bead construction for integrated circuit noise reduction
• J-Lead package design facilitating reliable soldering and mechanical stability
• High current handling capability suitable for power supply filtering applications

Applications

• Power supply input filtering to suppress conducted electromagnetic interference
• Signal line noise attenuation in high-frequency digital circuits
• Common mode noise suppression in data transmission interfaces

Procurement Notes

Verify the specific impedance value and current rating against the official datasheet before integration. Confirm that the J-Lead package dimensions match the printed circuit board footprint requirements. Ensure the operating temperature range aligns with the intended environmental conditions. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Selection Notes

Choose this component when a low DC resistance and moderate current capacity are required for noise suppression. The 38 ohm impedance at 100 MHz targets specific frequency ranges common in digital electronics. Consider the physical size constraints of the J-Lead package relative to available board space. Evaluate the thermal performance under continuous load conditions to ensure long-term reliability.

Part Context

This ferrite bead belongs to the surface-mount component category produced by Allied Components International. It serves as a passive filter element within larger electronic assemblies. The product line focuses on providing cost-effective solutions for electromagnetic compatibility challenges. Similar components in the market may offer different impedance profiles or current ratings.