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Product Detailed Parameters
- Description：FILTER RC 0.47uF 470R 300VAC WIR
- Series：MEXR-8x
- Mfr：Meritek
- Package：Bulk
- Type：Low Pass
- Filter Order：-
- Technology：-
- Number of Channels：1
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：470
- Values：-
- ESD Protection：No
- Operating Temperature：-40°C ~ 100°C
- Applications：-
- Voltage - Rated：300V
- Mounting Type：-
- Package / Case：Radial
- Size / Dimension：-
- Height：-
- Current：-
- Grade：-
- Qualification：-
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Overview
The MEXR474K471J381 is a first-order low-pass RC EMI filter manufactured by Meritek Electronics Corporation. This component integrates a 470-ohm resistor and a 0.47-microfarad capacitor within a single radial-leaded package. It is rated for 300VAC, making it suitable for AC line applications. The device functions as an electromagnetic interference suppression network, designed to attenuate high-frequency noise while maintaining signal integrity in power supply circuits.
Feature Summary
- Integrates resistance and capacitance into a single compact radial component
- Designed for first-order low-pass filtering of electromagnetic interference
- Rated for 300VAC operation on AC lines
Applications
- AC power input filtering
- Electromagnetic interference suppression in consumer electronics
- Noise reduction in power supply circuits
Procurement Notes
Verify the specific suffix J381 against official Meritek documentation to confirm terminal configuration and lead form. Ensure the 300VAC rating aligns with your circuit's maximum operating voltage. Cross-reference the 470-ohm resistance and 0.47µF capacitance values with your schematic requirements before procurement.
Selection Notes
Select this component when a discrete RC network is required for AC line EMI suppression. The integrated design simplifies PCB layout compared to separate components. Confirm that the radial lead style fits your assembly process and that the 300VAC rating meets safety standards for your target market.
Part Context
Meritek Electronics Corporation produces passive components including capacitors, resistors, and EMI filters. The MEX series specifically addresses electromagnetic interference needs. This part belongs to their RC network lineup, distinct from their ceramic or film capacitor products, focusing on combined filtering solutions.
Replacement Considerations
Check for equivalent RC networks with matching 470-ohm resistance and 0.47µF capacitance ratings. Verify that any substitute supports 300VAC and utilizes compatible radial leads. Ensure the replacement maintains the same first-order low-pass characteristic for identical noise attenuation performance.
