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Product Detailed Parameters
- Description：FILTER RC 47 OHMS/10PF SMD
- Series：EMIFIL®, NFA31
- Mfr：Murata Electronics
- Package：Tape & Reel (TR)
- Type：Low Pass
- Filter Order：1st
- Technology：RC
- Number of Channels：4
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：47
- Values：R = 47Ohms, C = 10pF
- ESD Protection：No
- Operating Temperature：-40°C ~ 85°C
- Applications：General Purpose
- Voltage - Rated：6V
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric), Array, 10 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Height：0.039" (1.00mm)
- Current：20 mA
- Grade：-
- Qualification：-
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Overview
The NFA31GD1004704D is a surface-mount RC EMI filter array manufactured by Murata Electronics in the 1206 (3216 metric) package. It features four channels with a capacitance of 10 pF ±20% and resistance of 47 Ω ±30%. The component operates at a DC voltage rating of 6 V with a maximum current of 20 mA.
Feature Summary
- Integrates resistive and capacitive elements into a single compact surface-mount structure for effective noise suppression.
- Provides multi-channel filtering capability within a standard footprint to optimize board space.
- Designed for low-voltage applications requiring combined impedance matching and high-frequency attenuation.
Applications
- Noise suppression on data lines in portable electronic devices
- EMI filtering for USB or similar interface circuits
- Signal integrity enhancement in mobile communication modules
Procurement Notes
Verify the specific suffix 'D' against official Murata documentation to confirm the exact resistance tolerance and packaging configuration. Ensure the 6V DC rating aligns with the target circuit's operating conditions. Confirm availability status as distribution listings may vary regarding active production status.
Selection Notes
Select this component when a low-profile, multi-channel solution is required for low-voltage signal lines. The integrated RC topology simplifies design compared to discrete components. Verify that the 47 Ohm resistance value provides adequate damping without excessive signal attenuation for the specific application bandwidth.
Part Context
This part belongs to the Murata EMIFIL NFA31 series, which specializes in RC combined filter arrays. These components are engineered to replace multiple discrete resistors and capacitors, reducing assembly complexity and improving high-frequency performance through minimized parasitic inductance inherent in surface-mount designs.
Replacement Considerations
Consult official Murata substitution guides for compatible alternatives. Cross-reference pinout and electrical characteristics carefully when considering generic equivalents to ensure functional parity in EMI suppression performance.
