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Product Detailed Parameters
- Description：FILTER LC 80MHZ SMD
- Series：EMIFIL®, NFA21
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Low Pass
- Filter Order：2nd
- Technology：LC
- Number of Channels：4
- Center / Cutoff Frequency：80MHz (Cutoff)
- Attenuation Value：25dB @ 500MHz
- Resistance - Channel (Ohms)：-
- Values：-
- ESD Protection：No
- Operating Temperature：-55°C ~ 125°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：10V
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), Array, 10 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Height：0.037" (0.95mm)
- Current：20 mA
- Grade：-
- Qualification：-
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Overview
The Murata NFA21SL806X1A48L is a surface-mount LC EMI filter array in the NFA21SL series. It features a 0805 (2012 Metric) package with dimensions of 2 mm length, 1.25 mm width, and 0.85 mm height. The device supports a maximum DC current of 20 mA and a maximum voltage of 10 V DC. It operates within a temperature range of -55°C to +125°C and includes an 80 pF capacitance value.
Feature Summary
- Integrates low-pass filtering capabilities using combined LC architecture for effective noise suppression.
- Utilizes a compact four-channel array design to minimize footprint on printed circuit boards.
- Constructed for surface mounting with solder termination suitable for automated assembly processes.
Applications
- High-speed data line protection in portable electronic devices
- EMI suppression for USB interface circuits
- Signal integrity enhancement in mobile communication modules
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and RoHS compliance status prior to integration. Check for obsolescence notices as this part may be scheduled for discontinuation. Ensure storage conditions maintain moisture sensitivity levels according to JSTD-020 standards during handling.
Selection Notes
Select this component when space-constrained designs require multi-channel filtering in a standard 0805 footprint. Evaluate the 20 mA current rating against peak signal loads to prevent saturation. Consider the 10 V DC voltage limit relative to operating supply rails. Compare insertion loss characteristics against specific frequency requirements for optimal attenuation performance.
Part Context
This component belongs to the Murata NFA21SL series of EMIFIL arrays. These parts are designed specifically for suppressing electromagnetic interference in high-density digital circuits. The series offers various capacitance values to tailor filtering characteristics for different signal lines while maintaining consistent physical dimensions across the family.
Replacement Considerations
Public sources indicate this part is scheduled for obsolescence. Verify availability of alternative NFA21SL variants with compatible pinouts and electrical parameters. Consult official Murata documentation for recommended successor components or functional equivalents that meet identical mechanical and electrical specifications.
