SCM05-121M-RC

Overview

The SCM05-121M-RC is a surface-mount common mode choke manufactured by Allied Components International. It is designed for USB 3.0 applications and features two lines with an impedance of 120 Ohms at 100 MHz. The component supports a current rating of 200 mA and utilizes a compact SMD package suitable for automated assembly processes.

Feature Summary

• Designed specifically for USB 3.0 signal integrity protection
• Provides common mode noise suppression via dual-line configuration
• Surface mount construction facilitates automated PCB assembly

Applications

• USB 3.0 interface circuits
• Data line noise filtering
• Signal integrity enhancement in high-speed digital interfaces

Procurement Notes

Verify the specific datasheet version from Allied Components International to confirm mechanical dimensions and electrical tolerances. Ensure the ordering suffix matches the required packaging format. Cross-reference tools may list parametrically similar parts, but official documentation should be consulted for final compatibility validation before procurement.

Selection Notes

Select this component when designing USB 3.0 interfaces requiring common mode noise attenuation. The 120 Ohm impedance at 100 MHz aligns with standard USB 3.0 specifications. Verify that the 200 mA current rating meets the application's power requirements and that the surface mount footprint fits the board layout constraints.

Part Context

This part belongs to the SCM05 series of common mode chokes from Allied Components International. Other variants in this series include different impedance values such as SCM05-161M-RC and SCM05-900M-RC, all targeting USB 3.0 applications. The series provides standardized solutions for EMI suppression in portable electronics and computing devices.