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0102030405
Metallized film DC filter capacitor.jpg

High-Voltage Metallized Film DC Filter Capacitors from China Suppliers - Factory Direct, 220μF to 8000μF, 800V to 2000V

Introducing our High-voltage High-capacity Metallized Film DC Filter Capacitor, a top choice among China suppliers and factories. This advanced capacitor features a wide capacitance range from 220μF to 8000μF, ensuring versatile applications for various electrical systems. With a capacitance tolerance of ±10%, it maintains reliability and performance for critical operations.

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Designed to withstand voltage ranges from 800 to 2000 V, this capacitor delivers exceptional performance even under high-stress conditions. Its maximum current rating reaches up to 360Arms, making it suitable for demanding applications. The stray inductance (Ls) specification ranges between 28nH and 40nH, ensuring minimal energy loss and optimal function.

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In compliance with rigorous standards, the test voltage between terminals is set at 1.5Un DC for 10 seconds, while the test voltage between terminals and case is tested at 4kVac for 1 minute at 50Hz. Choose our reliable high-voltage capacitors from a leading China factory to meet your high-capacity needs effectively.

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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

    What is the primary function of this DC filter capacitor?
    It serves as an energy storage component in Voltage Source Converters (VSC) for flexible DC transmission systems. Its primary role is to provide a smooth DC voltage and mitigate DC-side voltage fluctuations during system faults.
    What capacitance and voltage ranges are available?
    The capacitance ranges from 220μF to 8000μF (with a ±10% tolerance), and the nominal voltage ranges from 800VDC to 2000VDC. Detailed models can be referenced in the datasheet above.
    How does this capacitor protect IGBT components?
    By smoothing the DC voltage ripples and absorbing transient energy surges during system faults, the capacitor effectively prevents IGBTs from experiencing damaging overvoltage and overshoot conditions.
    What are the test voltage standards for this capacitor?
    The capacitor undergoes two primary tests: a terminal-to-terminal test at 1.5Un DC for 10 seconds, and a terminal-to-case isolation test at 4kVac (50Hz) for 1 minute.
    What is the stray inductance range of this series?
    The stray inductance (Ls) is kept very low, ranging from 28nH to 40nH, which is crucial for high-frequency switching operations and reducing overall system losses.

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