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Product Detailed Parameters
- Description：FILTER LC(PI) 31NH 500MHZ 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：500MHz (Cutoff)
- Attenuation Value：-
- Resistance - Channel (Ohms)：-
- Values：L = 31nH, C = 12pF
- 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：300 mA
- Grade：-
- Qualification：-
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Overview
The NFL21SP507X1C3D is an EMI filter circuit manufactured by Murata Electronics, belonging to the EMIFIL NFL series. It utilizes a Pi Filter topology and features Surface Mount Device (SMD/SMT) termination. The component has a capacitance of 12 pF and an inductance of 31 nH. It operates with a voltage rating of 16 V and a current rating of 100 mA. The package is 0805 (2012 metric), measuring 2 mm in length, 1.25 mm in width, and 1.25 mm in height. It functions within a temperature range of -55 C to +125 C.
Feature Summary
- Employs a Pi Filter topology for electromagnetic interference suppression
- Utilizes Surface Acoustic Wave technology for signal filtering
- Designed for surface mount assembly on printed circuit boards
Applications
- General purpose electronic circuits requiring EMI filtering
- Signal lines in compact consumer electronics
- Power or data lines in devices operating at low voltages
Procurement Notes
Verify the specific part number against official Murata documentation to confirm availability status, as distribution channels may vary. Ensure compatibility with existing PCB footprints and thermal requirements before integration. Cross-reference technical specifications with the latest datasheet to validate performance parameters for the intended application environment.
Selection Notes
Select this component when a compact Pi-filter solution is required for EMI suppression in space-constrained designs. Consider the 0805 package dimensions and the 16 V voltage rating for suitability. Evaluate the operating temperature range and current handling capabilities against system demands to ensure reliable operation under expected load conditions.
Part Context
This component is part of the Murata EMIFIL NFL series, which focuses on passive filter solutions. It falls under the broader category of EMI Network Filters and Passive Components. The series is designed to provide effective noise reduction in modern electronic systems while maintaining small form factors suitable for high-density board layouts.
Replacement Considerations
Consult official Murata substitution guides for verified alternatives. Generic equivalents may not match the specific SAW characteristics or Pi-filter response curves. Verify pinout compatibility and electrical ratings before considering any cross-references.
