ACH4518-153-TD01

Overview

The ACH4518-153-TD01 is a surface-mount EMI filter circuit manufactured by TDK Corporation. It utilizes LC (T-type) technology to provide signal line and DC power line filtering. The component features a capacitance of 0.015 uF, a voltage rating of 50 V, and a current rating of 2 A. It operates within a frequency range of 11 MHz to 70 MHz with an attenuation of 25 dB. The device has a cutoff frequency of 100 MHz and is housed in an 1812 (4532 metric) package measuring 4.5 mm x 3.2 mm x 1.8 mm. It supports operating temperatures from -25°C to +85°C.

Feature Summary

• Provides effective electromagnetic interference suppression for signal and DC power lines using LC T-type topology.
• Designed for high-current applications with a 2 A rated current capacity.
• Compact surface-mount construction suitable for space-constrained PCB layouts.

Applications

• General purpose EMI filtering
• Automotive electronics
• DC power line protection

Procurement Notes

Verify component status as the ACH4518-153-TD01 is listed as obsolete or end-of-life by major distributors. Confirm availability through authorized channels or secondary markets. Ensure replacement components meet identical electrical specifications including capacitance, current rating, and package dimensions to maintain circuit integrity.

Selection Notes

Select this component for applications requiring low-profile EMI filtering on DC lines. The 1812 package offers a balance between current handling and board space. Verify that the 50 V rating and 2 A current capacity align with system requirements. Consider thermal performance within the specified -25°C to +85°C operating range during design integration.

Part Context

This part belongs to the TDK ACH series of large current EMI filters. These components are designed for automotive and industrial applications where robust noise suppression is required. The series typically includes various capacitance values to target different frequency ranges while maintaining consistent physical footprints for design flexibility.

Replacement Considerations

Public confirmed substitute: YFF18SC1H472MT0H0N.