ACF451832-221-TD01

Overview

The ACF451832-221-TD01 is a signal line EMI filter manufactured by TDK Corporation. It utilizes an LC (T) circuit topology for electromagnetic interference suppression. The component features a voltage rating of 50 V and a current rating of 300 mA. It operates within a frequency range of 150 MHz to 250 MHz, with a cutoff frequency of 190 MHz and attenuation of 25 dB. The device is housed in an 1812 (4532 metric) SMD package, measuring 4.5 mm x 3.2 mm x 1.8 mm. It supports surface mount termination and functions between -25°C and +85°C.

Feature Summary

• Provides single-channel EMI/RFI suppression for data lines using a third-order LC T-type architecture.
• Designed for high-density applications with a compact 1812 surface-mount footprint.
• Engineered for signal integrity preservation while attenuating noise in the specified frequency band.

Applications

• Signal line filtering in mobile devices
• Data line EMI suppression in consumer electronics
• EMI/RFI filtering in industrial processing systems

Procurement Notes

Verify component authenticity through authorized distributors as the part status is obsolete. Confirm RoHS compliance details via official documentation before integration. Ensure supply chain stability due to end-of-life status. Validate electrical parameters against specific design requirements. Check for valid replacement options if long-term availability is required.

Selection Notes

Select this component for applications requiring low-profile signal line filtering. The 1812 package suits space-constrained PCB layouts. Verify that the 300 mA current rating meets circuit demands. Ensure the 50 V voltage rating aligns with system operating conditions. Consider the 190 MHz cutoff frequency for target noise frequencies.

Part Context

This component belongs to TDK's EMI Filter Circuits product line. It is categorized under Signal Line Filters within the broader Filters subcategory. The series focuses on suppressing electromagnetic interference in sensitive electronic circuits. TDK manufactures these components for various industrial and consumer applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult manufacturer documentation for potential obsolescence management strategies or alternative series recommendations.

FAQ

What is the circuit topology of the ACF451832-221-TD01?

It uses an LC (T) filter circuit topology.

What is the maximum operating temperature?

The maximum operating temperature is +85°C.