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All Categories > Manufacturers > Vishay > Heavy-Current Capacitors > High Voltage DC Filter Capacitors > ER... DC Filter Capacitors (Rectangular) > Item # ER10-405  
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Item # ER10-405, ER... DC Filter Capacitors (Rectangular)

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TYPE ER
Capacitors offer unusually good electrical characteristics, coupled with very small size.
The ER range of capacitors are manufactured using a mixed dielectric material that consists of polyester/polypropylene. The container is a rolled seamed tinplate case that is hermetically sealed. The construction is designed to prevent internal movement when subjected to shock and vibration. Note: The impregnant used is a non toxic highly refined, purified and inhibited mineral oil.


DC-Filter-Capcitors-ER

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Dimensional Drawing

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 Specifications  Features and Applications  

    APPLICATIONS
    The ER range of capacitors are specifically designed for DC applications.
    • Audio coupling
    • Pulse forming networks
    • Oscillator circuits
    • Arc and spark suppression
    • RF by-pass
    • Tuned filters
    • Energy storage
    • Integrating circuits
    • Low and high pass filters
    • High voltage smoothing

    Capacitors required for AC applications and High Discharge rates can also be designed from the ER range.
    Consult Vishay Electronic GmbH, Division Roederstein ESTA and Hybrids for your specific requirements.

    TEMPERATURE RANGE
    Temperature range is -55°C to +85°C. The nominal voltage rating is applicable from -55°C to +85°C.
    Derating is required for higher operating temperatures.

    TEMPERATURE COEFFICIENT
    Capacitance will increase by 2% per 100°C temperature change.

    RIPPLE
    The sum of the peak ripple voltage and the DC voltage should not exceed the rated voltage. Refer to grap for permissible peak-to-peak ripple voltage as a percentage of rated voltage for various frequencies.

    POWER FACTOR
    The power factor is variable, and a function of temperature and frequency. Nominal value < 0.5% at 20°;C.

    DIELECTRIC RESISTANCE
    (Parallel resistance) is indicated by the graph of insulance (MΩ x µF) vs temperature. The insulance (MΩ x µF) is nominally 10000s at +20°C. (Measurements taken after 1 minute with an applied voltage of 500 V).

    LIFE EXPECTANCY
    ER type capacitors are designed for a life expectancy of 50000 hours at 65°C. To achieve the same life expectancy at 85°C derate to 60% of rated voltage.

    WEIGHT
    The approximate weight in kg of capacitors in the ER range can be estimated by multiplying the volume of the capacitor container by 1.45 x 10-6.

    CAPACITANCE RANGE
    0.01µF-100µF. The tolerance is ±10%. Other tolerances are available on request. Nominal values measured at 1 kHz.

    VOLTAGE RANGE
    1000 VDC - 40 kVDC other values on request.

    TEST VOLTAGE
    Terminal/terminal (Vt/t)
    For DC rating < 20 kV Vt/t = 2.0 x rated voltage 60 s
    For DC rating < 20 kV Vt/t = 1.5 x rated voltage 60 s

    TERMINATIONS
    Add suffix W to part No. To indicate wire terminations.

    CAPACITANCE
    Capacitance tolerance of 20% is standard with those marked

    FLASHOVER
    Up to 5000 volts rating, the capacitor terminals will withstand 125% of the rated voltage without flashover at a pressure of 85 mmHg, equivalent to 50000 feet altitude. Above 5000 volts rating, the capacitor terminals will withstand 125% of the rated voltage at a pressure of 500 mg Hg, equivalent to 10000 feet altitude.

    LIFE TESTS
    Conducted at 85°C for 500 hours. The voltage applied will be 140% of the rated voltage.



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