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    3A EMI Power Line Filter, 1 Phase

    General purpose 3A 1-phase single-stage EMI power line filter, rated voltage 115/250V AC 50/60Hz, high performance for noise suppression with compact size, easy mounting, and low price.
    SKU: ATO-EMI-2103
    Free Shipping Worldwide
    Delivery date: 6-12 days

    EMI line/noise filter, 1-phase 1-stage, rated current 3A and rated voltage 250V AC, has a wide range of applications like electrical equipment, electronics, household appliances, and office equipment with its good differential mode and common mode attenuation performance.


    Model ATO-MT210-3
    Filter Type EMI
    Configuration Single Stage
    Rated Current @ 40℃ 3A
    Rated Voltage 115/250V AC
    Operating Frequency 50/60Hz
    Phase Single
    Leakage Current ≤0.8mA @ 250V AC 50Hz 20℃
    Hipot Rating (one minute) Line to Line 1450V DC
    Line to Ground 2000V DC
    Climatic Category 25/085/21
    Working Temperature -25°C~+85°C
    Output Termainal Lead Wire
    Weight 65g
    Dimension See below

    Insertion Loss Table (in 50Ω system acccording to IEC/CISPR No.17)

    Single phase power line filter 1A-10A insertion loss

    Dimensions (Unit: mm)

    Single phase power line filter 1A-10A dimension
    Electrical Schematic

    1A-6A 1-phase EMI line filter electrical schematic

    Tips: What are types of filters?

    1. According to the processed signal, it is divided into analog filter and digital filter.

    2. According to pass signal frequency, it’s divided into low pass, high pass, band pass and band stop filter.

    • Low pass filter: It allows low frequency or direct current component in the signal to pass through, suppressing high frequency component or interference and noise.
    • High pass filter: it allows high frequency component in the signal to pass through, restraining low frequency or direct current component.  
    • Band pass filter: It allows particular frequency band signal to pass through, suppressing the signal, interference and noise which is lower or higher than this frequency band.
    • Band stop filter: It restrains the signal within particular frequency band, allowing the signal outside this particular frequency band to pass through.

    3. According to the components, it is divided into passive and active filter.

    • Passive filter: it is only composed of passive element(R、L and C), based on the principle that the reactance of capacitor and inductor changes along with the frequency change.
    • Active filter: it is composed of passive element(Normally R and C) and active element(i.e. integrated operational amplifier).
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