SRF3216-221Y

Overview

The Bourns SRF3216-221Y is a surface-mount common mode choke filter from the SRF3216 series. It features an inductance of 220 µH with ±25% tolerance and a maximum DC current rating of 300 mA. The component has a maximum DC resistance (DCR) of 450 mΩ and operates within a temperature range of -40°C to +125°C. It utilizes a ferrite core and wire-wound structure, housed in a 3216 package.

Feature Summary

• Surface mount construction for automated PCB assembly
• Ferrite core design for effective noise suppression
• Molded body for mechanical protection

Applications

• Data line filtering
• Signal line noise reduction

Procurement Notes

Verify the specific part number suffix against official Bourns documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with the target application's thermal and current requirements before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring compact common mode noise suppression on data lines. Consider the 300 mA current rating and 450 mΩ DCR when designing power integrity. Verify that the 3216 footprint matches the PCB layout constraints.

Part Context

This component belongs to the Bourns SRF3216 series of common mode chip inductors. These components are designed for high-frequency noise attenuation in electronic circuits. The series offers various inductance values to suit different filtering requirements while maintaining a small form factor.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.