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Metallized film DC filter capacitor.jpg

High-Voltage Metallized Film DC Filter Capacitor 220μF-8000μF - China Suppliers & Factory

Introducing our high-voltage, high-capacity metallized film DC filter capacitors, designed to meet diverse industrial requirements. Our capacitors are manufactured in China and supplied directly from our advanced factory, ensuring top-notch quality and reliability.

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**Capacitance Range**: 220μF to 8000μF
, **Capacitance Tolerance**: ±10%
, **Voltage Range**: 800V to 2000V
, **Maximum Current**: Up to 360Arms
, **Stray Inductance (Ls)**: Ranging from 28nH to 40nH
, **Test Voltage Between Terminals**: 1.5Un DC for 10 seconds
, **Test Voltage Between Terminals and Case**: 4000V AC at 50Hz for 1 minute.

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As a leading supplier of electrical components, our metallized film DC filter capacitors offer exceptional performance for various applications. Trust in our factory to deliver products that meet your high-voltage needs efficiently.

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    Product Detail

    Technical Specifications

    Capacitance Range
    220μF ~ 8000μF
    Capacitance Tolerance
    ±10%
    Voltage Range
    800 ~ 2000 V
    Maximum Current
    360Arms
    Stray Inductance (Ls)
    28nH ~ 40nH
    Test Voltage (Terminals)
    1.5Un dc 10s
    Test Voltage (Terminals-Case)
    4kVac 50Hz 1min.

    Description

    DC filter capacitor used to be an energy storage component in Voltage source converter for flexible DC transmission system which provides smooth DC voltage for converter, meanwhile alleviate the voltage waving of DC side when the system fault happens. So that ease off the voltage ripple of DC side. Furthermore, preventing the IGBT from overvoltage and overshoot.

    Reference Datasheet

    DC filter film capacitor (Metal Rectangle housing)
    No CN
    (μF)    		 Is max
    (nH)    		 Irms (A) ESR (mΩ) Rth (k/W)
    Un 800VDC
    1 1200 36 86 0.5 0.47
    2 2000 45 140 0.44 0.34
    3 2500 55 175 0.42 0.30
    4 3000 62 210 0.41 0.20
    5 4700 28 200 0.37 1.36
    6 5600 33 230 0.36 1.06
    7 6800 35 280 0.35 0.98
    8 7500 37 300 0.35 0.90
    9 8000 40 330 0.34 0.90
    Un 1000VDC
    10 1000 36 80 0.49 0.47
    11 1500 45 120 0.45 0.34
    12 2000 55 160 0.43 0.30
    13 2500 62 200 0.41 0.20
    14 4000 28 200 0.37 1.36
    15 4700 33 220 0.36 1.06
    16 5600 35 280 0.35 0.98
    17 6800 37 330 0.34 0.90
    18 7500 40 360 0.34 0.90
    Un 1200VDC
    19 680 36 65 0.55 0.47
    20 1000 45 95 0.48 0.34
    21 1500 55 140 0.44 0.30
    22 1600 62 150 0.43 0.20
    23 3000 28 150 0.39 1.36
    24 3300 33 200 0.37 1.06
    25 4000 35 240 0.36 0.98
    26 4500 37 260 0.35 0.90
    27 5000 40 280 0.35 0.90
    Un 1400VDC
    28 470 36 56 0.58 0.47
    29 700 45 83 0.5 0.34
    30 1000 55 115 0.46 0.30
    31 1200 62 140 0.44 0.20
    32 3000 28 150 0.39 1.36
    33 3300 33 200 0.37 1.06
    34 4000 35 240 0.36 0.98
    35 4500 37 260 0.35 0.90
    36 5000 40 280 0.35 0.90
    Un 1600VDC
    37 350 36 50 0.62 0.47
    38 560 45 75 0.52 0.34
    39 700 55 95 0.48 0.30
    40 900 62 120 0.45 0.20
    Un 1800VDC
    41 280 36 42 0.65 0.47
    42 420 45 63 0.55 0.34
    43 560 55 85 0.5 0.32
    44 700 62 105 0.47 0.20
    Un 2000VDC
    45 220 36 38 0.69 0.47
    46 330 45 56 0.58 0.34
    47 470 55 80 0.51 0.32
    48 560 62 95 0.48 0.20

    Frequently Asked Questions (FAQ)

    What is the primary function of these DC filter capacitors?
    They serve as energy storage components in voltage source converters for flexible DC transmission systems, helping to smooth DC voltage, reduce voltage ripples, and protect the system during faults.
    How do these capacitors protect IGBT components?
    By easing off the voltage ripple on the DC side and stabilizing the system voltage, these capacitors effectively prevent IGBT units from experiencing damaging overvoltages and overshoot.
    What capacitance and voltage ranges are available?
    The technical specifications offer a capacitance range of 220μF to 8000μF (with a ±10% tolerance) and a rated voltage range spanning from 800VDC to 2000VDC.
    What are the safety testing standards for these capacitors?
    Each capacitor undergoes strict test protocols: a terminal-to-terminal test voltage of 1.5Un dc for 10 seconds, and a terminal-to-case test voltage of 4kVac at 50Hz for 1 minute.
    What is the level of stray inductance (Ls) in these units?
    These DC filter film capacitors feature very low stray inductance, ranging dynamically between 28nH and 40nH, ensuring high efficiency in fast-switching power circuits.

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