ACF451832-333-TD01

Overview

The ACF451832-333-TD01 is a signal line EMI filter circuit manufactured by TDK Corporation. It operates as an LC (T) type filter with a cutoff frequency of 12 MHz. The component features a voltage rating of 50 V and a current rating of 300 mA. It utilizes SMD/SMT termination types and is housed in a 1812 package, corresponding to the 4532 metric size. The device is designed for effective noise suppression in electronic circuits.

Feature Summary

• Combines electrostatic discharge protection and noise suppression into a single component
• Provides sharp attenuation characteristics with excellent EMC performance
• Incorporates ferrite chip beads and multilayer ceramic chip capacitors

Applications

• Signal line EMI filtering
• Electromagnetic interference suppression
• Radio frequency interference reduction

Procurement Notes

Verify availability status carefully as this specific part number may be discontinued or subject to limited distribution channels. Confirm exact specifications against official TDK datasheets prior to integration. Ensure compatibility with existing PCB footprints and thermal management requirements during the sourcing process.

Selection Notes

Select this component for applications requiring combined ESD protection and high-frequency noise attenuation. The 1812 package offers a compact form factor suitable for space-constrained designs. Evaluate the 12 MHz cutoff frequency against target signal bandwidths to ensure minimal signal distortion while maintaining effective interference rejection capabilities.

Part Context

This component belongs to the TDK ACF series, which are T-type EMC filters. These devices integrate passive components to address both conducted emissions and susceptibility issues. The series is engineered for robust performance in demanding electromagnetic environments, providing reliable filtering solutions for sensitive signal lines.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with alternative TDK models or other manufacturers' offerings based on specific electrical parameters and package dimensions before implementation.