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Product Detailed Parameters
- Description：FERRITE BEAD 31 OHM 2SMD 1LN
- Series：EMIFIL®, NFZ32BW
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：31 Ohms @ 1 MHz
- Current Rating (Max)：1.2A
- DC Resistance (DCR) (Max)：186mOhm
- 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 NFZ32BW310HN11L is a single-line ferrite bead from the Murata EMIFIL NFZ series, designed for EMI suppression in surface-mount applications. It features a 1210 (3225 metric) package with dimensions of 3.2 mm length, 2.5 mm width, and 1.55 mm height. The component provides an impedance of 31 Ohms at 1 MHz with a tolerance of 30%. It supports a maximum DC current of 1.2 A and has a maximum DC resistance of 155 mOhms. The device operates within a temperature range of -40°C to +125°C.
Feature Summary
- Provides electromagnetic interference suppression through high-impedance characteristics at specific frequencies.
- Utilizes a compact 1210 surface-mount footprint for efficient PCB space utilization.
- Engineered for stable performance across a wide industrial temperature range.
Applications
- General EMI noise filtering in electronic circuits
- Signal line protection in consumer electronics
- Power supply noise suppression
Procurement Notes
Verify the complete part number including suffixes to ensure correct impedance and packaging specifications. Confirm RoHS3 compliance status as required by project regulations. Check datasheet for recommended soldering profiles to prevent thermal damage during assembly. Ensure storage conditions maintain moisture sensitivity level 1 integrity before reflow.
Selection Notes
Select this component when a 31 Ohm impedance at 1 MHz is required for noise attenuation. The 1.2 A current rating suits moderate power lines or signal paths. The 1210 package offers a balance between current handling and board space. Consider the 155 mOhm DC resistance impact on voltage drop in low-voltage applications.
Part Context
This part belongs to the Murata NFZ32BW series of chip noise filters. These components are widely used in portable devices and automotive electronics for their reliability and small form factor. The NFZ series is known for consistent performance in suppressing high-frequency noise without affecting signal integrity in data lines.
Replacement Considerations
Direct substitutes include other 1210 ferrite beads with similar 31 Ohm impedance and 1.2 A current ratings. Verify pin compatibility and impedance curves against the original design requirements before substitution.
