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Product Detailed Parameters
- Description：FERRITE BEAD 21 OHM 2SMD 1LN
- Series：EMIFIL®, NFZ32BW
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：21 Ohms @ 1 MHz
- Current Rating (Max)：1.55A
- DC Resistance (DCR) (Max)：120mOhm
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：2-SMD, Flat Lead
- Mounting Type：Surface Mount
- Height (Max)：0.067" (1.70mm)
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Features：-
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Overview
The NFZ32BW210HN11L is a single-line ferrite bead from the Murata EMIFIL NFZ series, designed for surface-mount technology in a 1210 (3225 metric) package. It provides an impedance of 21 Ohms at 1 MHz with a tolerance of 30%. The component supports a maximum DC current of 1.55 A and exhibits a maximum DC resistance of 120 mOhms. It operates within a temperature range of -40°C to +125°C and has physical dimensions of 3.2 mm length, 2.5 mm width, and 1.70 mm height.
Feature Summary
- Provides electromagnetic interference suppression through high-impedance characteristics at target frequencies
- Supports high-current applications with a rated DC current capacity of 1.55 A
- Utilizes a compact 1210 surface-mount footprint for efficient board space utilization
Applications
- Power supply line filtering in electronic circuits
- Signal integrity protection in data transmission lines
- Noise suppression in automotive electronic systems
Procurement Notes
Verify the specific impedance value and current rating against the official Murata datasheet before integration. Confirm that the 1210 package dimensions align with the PCB footprint design. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this component when a 21 Ohm impedance at 1 MHz is required for noise attenuation. The 1.55 A current rating makes it suitable for power rails carrying moderate currents. The low DC resistance minimizes voltage drop across the filter. Consider the 1210 package size for compatibility with standard SMT placement equipment and existing board layouts.
Part Context
This component belongs to the Murata NFZ32BW series of EMI filters. These are monolithic ferrite beads intended for suppressing electromagnetic noise in digital and analog circuits. The series offers various impedance and current ratings within standardized packages to support diverse design needs.
Replacement Considerations
Direct substitutes include other 21 Ohm ferrite beads in the 1210 package with comparable current ratings, such as the NFZ32BW210HN10K if available. Verify impedance curves and DC resistance values to ensure equivalent performance.
