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Product Detailed Parameters
- Description：FILTER LC(PI) 128NH/28PF SMD
- Series：EMIFIL®, NFL21
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (Pi)
- Number of Channels：1
- Center / Cutoff Frequency：150MHz (Cutoff)
- Attenuation Value：-
- Resistance - Channel (Ohms)：-
- Values：L = 128nH, C = 28pF
- ESD Protection：No
- Operating Temperature：-55°C ~ 125°C
- Applications：General Purpose
- Voltage - Rated：16V
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), 3 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Height：0.037" (0.95mm)
- Current：200 mA
- Grade：-
- Qualification：-
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Overview
The NFL21SP157X1C3D is an EMI filter circuit manufactured by Murata Electronics, classified under the EMIFIL NFL series. It utilizes a Pi Filter topology and is housed in a compact 0805 (2012 metric) SMD/SMT package with dimensions of 2 mm length, 0.85 mm width, and 1.25 mm height. The component features an inductance of 128 nH and a capacitance of 28 pF. It operates within a voltage rating of 16 V and supports a current rating of 200 mA. The device functions reliably across a temperature range from -55 C to +125 C.
Feature Summary
- Integrates LC Pi-filter topology for effective electromagnetic interference suppression
- Designed for surface-mount assembly in space-constrained applications
- Capable of stable operation across extended industrial temperature ranges
Applications
- Signal line noise filtering in electronic circuits
- Electromagnetic compatibility enhancement for sensitive components
- High-frequency signal integrity protection
Procurement Notes
Verify component authenticity through authorized channels as this part is marked obsolete. Confirm final availability with suppliers since production has ceased. Ensure replacement strategies are evaluated prior to procurement attempts due to potential supply chain discontinuation risks.
Selection Notes
Evaluate the specific inductance and capacitance values against target frequency requirements. Verify that the 16 V voltage rating and 200 mA current capacity meet circuit operational limits. Consider the 0805 footprint constraints during PCB layout design to ensure proper soldering and mechanical stability.
Part Context
This component belongs to the Murata EMIFIL NFL series, which specializes in passive EMI filter circuits. These filters are engineered to attenuate high-frequency noise while maintaining signal integrity in compact form factors suitable for modern electronics manufacturing standards.
Replacement Considerations
NFL21SP206X1C7D
FAQ
What is the filter topology of the NFL21SP157X1C3D?
The component utilizes a Pi Filter topology.
What are the physical dimensions of the package?
The package measures 2 mm in length, 0.85 mm in width, and 1.25 mm in height.
