NFM21PC475B1A3D

Overview

The Murata NFM21PC475B1A3D is a three-terminal feedthrough capacitor in the EMIFIL NFM21PC series. It features a capacitance of 4.7 µF with ±20% tolerance and a DC voltage rating of 10 V. The component operates within a temperature range of -40°C to +85°C. It utilizes an 0805 (2012 Metric) surface-mount package with dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height. Key electrical specifications include a maximum DC resistance of 5 mΩ and a rated current of 6 A.

Feature Summary

• Three-terminal feedthrough architecture providing superior high-frequency noise suppression compared to standard two-terminal capacitors.
• Low equivalent series resistance (ESR) design enabling high ripple current handling capabilities for power line filtering.
• Compact 0805 footprint allowing integration into space-constrained printed circuit board layouts.

Applications

• Power supply input/output filtering in portable electronic devices
• Noise suppression on data lines in mobile communication equipment
• EMI reduction in automotive infotainment systems

Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and termination plating. Ensure the ordering part number matches the required capacitance value and voltage rating for the target application environment. Cross-reference terminal configurations to guarantee compatibility with the intended PCB pad layout.

Selection Notes

Select this component when high capacitance density is required in a small surface-mount package. The low DC resistance supports applications demanding significant current handling without excessive voltage drop. Evaluate the thermal operating range to ensure suitability for the specific environmental conditions of the end product.

Part Context

This component belongs to the Murata EMIFIL NFM21PC series of feedthrough capacitors. These devices are engineered for effective electromagnetic interference suppression in compact electronic assemblies. The series offers various capacitance values and voltage ratings within standardized metric footprints to facilitate design flexibility across diverse consumer and industrial electronics platforms.

Replacement Considerations

Consult official Murata documentation for verified substitute part numbers. Do not assume functional equivalence based solely on package size or nominal capacitance. Verify that any alternative component meets the same current rating, voltage withstand, and frequency response requirements.