NFZ32BW8R4HZ11L

Overview

The NFZ32BW8R4HZ11L is a single-line ferrite bead from the Murata EMIFIL NFZ32BW series, designed for EMI suppression in surface-mount applications. It features a 1210 (3225 metric) package with dimensions of 3.2 mm length and 2.5 mm width. The component provides an impedance of 8.4 Ohms at 1 MHz and supports a maximum DC current of 700 mA. Its maximum DC resistance is specified at 685 mOhms, ensuring low insertion loss in power lines. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Feature Summary

• Provides effective electromagnetic interference suppression through high-impedance characteristics at target frequencies.
• Supports high-current applications with a rated DC current capacity suitable for power line filtering.
• Engineered for robust performance across extended industrial and automotive temperature ranges.
• Features a compact surface-mount footprint optimized for automated assembly processes.

Applications

• Automotive electronic systems requiring AEC-Q200 qualified components
• Power supply output filtering for noise reduction
• High-speed digital signal line EMI suppression
• Audio circuit noise filtering

Procurement Notes

Verify the suffix HZ against official Murata documentation to confirm specific tolerance and packaging details. Ensure the selected variant matches the required impedance tolerance and reel specifications for your manufacturing process. Cross-reference the full part number with the manufacturer's latest datasheet to avoid discrepancies in electrical parameters or environmental compliance status.

Selection Notes

Select this component when a low-impedance path is required for high-current lines while maintaining effective high-frequency noise attenuation. The 8.4 Ohm impedance value suits applications needing minimal DC voltage drop alongside moderate EMI suppression. Consider the 1210 package size for board space constraints and verify thermal management requirements given the 700 mA current rating and associated power dissipation.

Part Context

This ferrite bead belongs to the NFZ32BW series, which offers various impedance values in a standardized 1210 package. The series is widely used in consumer electronics and automotive modules for common-mode and differential-mode noise suppression. The NFZ32BW8R4HZ11L specifically targets applications where lower impedance is preferred to minimize impact on signal integrity or power delivery efficiency.

Replacement Considerations

Check Murata's official substitution guide for equivalent parts with matching impedance and current ratings. Verify that any alternative component meets the same AEC-Q200 qualification and package dimensions to ensure mechanical compatibility.