MCZ1210AD221T

Common Mode Chokes Overview

The MCZ1210AD221T is a two-line common mode filter manufactured by TDK Corporation, designed for surface mount applications. It features an impedance of 220 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 350 mA. The component has a maximum DC resistance of 300 milliohms and operates within a temperature range of -40°C to +85°C. Housed in a 0504 (1210 metric) package with dimensions of 1.25 mm length, 1.00 mm width, and 0.60 mm height, it is rated for 5V DC. This part is designated as not recommended for new designs.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for dual-line signal paths
• Optimized for audio and USB interface applications
• Compact surface mount construction for space-constrained PCBs

Common Mode Chokes Applications

• Audio circuit noise filtering
• USB data line protection
• Signal line interference suppression

Common Mode Chokes Procurement Notes

Verify component status before procurement as this part is marked Not Recommended for New Designs (NRND). Confirm availability through authorized distributors, noting potential supply constraints or minimum order requirements associated with end-of-life management. Ensure the specific suffix matches project requirements.

Common Mode Chokes Selection Notes

Select this component for legacy designs requiring 220 Ohm impedance at 100 MHz with 350 mA current handling. Evaluate alternative parts from the same series if new design approval is required due to the NRND status. Verify that the 0504 footprint and thermal characteristics align with the target board layout.

Common Mode Chokes Part Context

This component belongs to the TDK MCZ series of common mode chokes. It is specifically engineered for suppressing electromagnetic interference in low-voltage digital and analog signal lines. The 1210 metric package size allows for automated assembly while maintaining performance in compact consumer electronics.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers include MMZ1005Y241CT000, EXC-24CB221U, and EXC-24CP221U. These alternatives are listed as similar components by distributors.