ACF451832-101-TD01

Overview

The ACF451832-101-TD01 is a signal line EMI filter circuit manufactured by TDK Corporation. It utilizes an LC (T) filter topology with a cutoff frequency of 280 MHz. The component operates within a voltage rating of 50 V and a current rating of 300 mA. It provides 25 dB attenuation in the 235 MHz to 335 MHz frequency range. The device is housed in an 1812 surface-mount package measuring 4.5 mm x 3.2 mm x 1.8 mm. It functions reliably between -25°C and +85°C.

Feature Summary

• Integrates ferrite chip beads and multilayer ceramic chip capacitors into a single T-type EMC filter structure.
• Designed for effective electromagnetic interference suppression on data lines.

Applications

• Data lines for mobile devices

Procurement Notes

This component is officially listed as obsolete and no longer manufactured by TDK. Verification of availability should focus on authorized distributors or secondary market sources. Confirm that any available units are genuine and match the original specifications before integration into designs.

Selection Notes

Engineers requiring this specific filter characteristic must evaluate the recommended substitute YFF18SC1H102MT0H0N. Ensure the replacement meets the required form factor, electrical ratings, and performance metrics for the target application to maintain system integrity.

Part Context

The ACF series represents T-type EMC filters combining ferrite beads and ceramic capacitors. This specific model targets high-frequency noise reduction in compact electronic environments. It belongs to the broader category of EMI filter circuits designed for signal line protection.

Replacement Considerations

The manufacturer recommends YFF18SC1H102MT0H0N as a substitute part number for this obsolete component.