ACH3218-680-TD01

Overview

The TDK ACH3218-680-TD01 is a surface-mount EMI filter circuit designed for power line applications. It utilizes an LC (T-type) topology to suppress electromagnetic interference in high-current circuits. The component features a capacitance of 68 pF and supports a rated voltage of 20 V with a current rating of 1.5 A. It operates within a temperature range starting from negative values up to 125°C. The device has a cutoff frequency of 370 MHz and is housed in a 1207 (3225 metric) package with SMD/SMT termination.

Feature Summary

• Provides excellent attenuation characteristics through T-type EMC filter design suitable for high-current circuits.

Applications

• General purpose EMI suppression
• Power line filtering

Procurement Notes

Verify the specific suffix TD01 against the latest manufacturer documentation, as product status changes may occur. Confirm RoHS compliance and environmental classifications such as REACH status prior to integration. Check for any pending PCN notifications regarding manufacturing site or material changes. Ensure the obsolete status does not impact long-term supply requirements for the target project.

Selection Notes

Select this component when a low-profile, high-current EMI solution is required for power nets. The 1.5 A rating and 20 V limit define the electrical boundaries. The 1207 package size offers a compact footprint for dense PCB layouts. Verify that the 68 pF capacitance aligns with the specific signal integrity and filtering needs of the application circuit.

Part Context

This part belongs to the TDK ACH series of EMI filters. The series is characterized by its ability to handle significant current loads while maintaining effective noise suppression. The ACH3218 designation indicates the specific form factor and internal configuration within this family of components.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.