HFZ 2012PF-331T28

Chip Ferrite Bead Overview

The HFZ2012PF-331T28 is a surface-mount ferrite bead from the HFZ series, manufactured by TAI-TECH Advanced Electronics Co., Ltd. It features a 0805 (2012 metric) package and provides an impedance of 33 Ohms at 100 MHz. The component supports a maximum DC current of 2.8 A with a low DC resistance of 40 mOhms. It is designed for high-frequency noise suppression in compact electronic circuits.

Chip Ferrite Bead Feature Summary

• Provides effective attenuation of high-frequency electromagnetic interference signals
• Supports high continuous current operation with minimal power loss
• Utilizes a compact surface-mount footprint for dense board layouts

Chip Ferrite Bead Applications

• Power line filtering in portable devices
• High-speed data line noise suppression
• Clock signal integrity enhancement

Chip Ferrite Bead Procurement Notes

Verify the specific impedance tolerance and current rating requirements against the official datasheet before procurement. Confirm that the 0805 package dimensions align with the PCB land pattern. Ensure the selected variant matches the required DC resistance specifications for the target application's power budget.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require an 0805 package size. Choose based on the need for 33 Ohms impedance at 100 MHz to target specific noise frequencies. Ensure the circuit operates within the 2.8 A current limit to prevent saturation or excessive heating during normal operation.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the HFZ series of chip components designed for EMI suppression. It complements other passive protection devices like varistors and TVS diodes by addressing high-frequency noise rather than transient voltage spikes. The series offers various impedance values to suit different frequency filtering needs.

Chip Ferrite Bead FAQ

What is the impedance value at 100 MHz?

The impedance is 33 Ohms at 100 MHz.

What is the maximum DC current rating?

The maximum DC current rating is 2.8 A.