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        CWK

        Number of visits: Date:2014-9-29 15:32

        CWK Series

         

        CWO series to Low profile(15mm)

        Endurance with ripple current:3000hours at 105℃;

        Apply to Flame detector, lcd television, Low Profile type Instrument Electronic measuring instrument, High frequency High pressure High power driving power supply, Industrial control power supply

        SPECIFIC ATIONS

        items characteristics
        Category temperature Range -40~+105℃
        Rated voltage Range 160~400VDC
        Capacitance Tolerance ±20%(M)20℃、120HZ
        Leakage Current I=0.01CV or 5mA,whichever is smaller
        I: Where, I : Max. leakage current(µA)、C: Nominal capacitance(µF)、Rated voltage (V)at 20℃after 5 minutes)
        Dissipation Factor(MAX) ≤Specifications 20℃、120HZ
        Low Temperature characteristics Rated voltage(Vdc) 160~400
        Z(-25℃)/Z(+20℃) ≤4
         
        Equivalent series inductance ≤50nH
        Endurance The following specifications shall be satisfied when the capacitors are restored to 20℃ after subjected to DC voltage with the rated ripple current is applied (the peak voltage shall not exceed the rated voltage) for 3,000 hours at 105℃
        Capacitance change ≤±20% of the initial value
        D.F. (tanδ) ≤200% of the initial specified value
        Leakage current ≤The initial specified value
        Shelf Life The following specifications shall be satisfied when the capacitors are restored to 20℃ after exposing them for 1000 hours at 105℃ without voltage applied. Before the measurement, the capacitor shall be preconditioned by applying voltage according to Item 4.1 of JIS C 5101-4
        Capacitance change ≤±20% of the initial value
        D.F. (tanδ) ≤200% of the initial specified value
        Leakage current ≤The initial specified value

        WV cap Case size Tanδ Ripple current(Ams/105℃,120Hz ar t NO.
        [Vdc] [μF] D x L[mm] 120Hz20℃    
        160 150 22×15 0.2 0.68 CWK161HZN151MP15
        180 25.4×15 0.2 0.79 CWK161HZN181MQ15
        220 25.4×15 0.2 0.88 CWK161HZN221MQ15
        270 30×15 0.2 0.96 CWK161HZN271MR15
        330 30×15 0.2 1.06 CWK161HZN331MR15
        390 35×15 0.2 1.2 CWK161HZN391MA15
        180 120 22×15 0.2 0.61 CWK181HZN121MP15
        150 25.4×15 0.2 0.73 CWK181HZN151MQ15
        180 25.4×15 0.2 0.79 CWK181HZN181MQ15
        220 30×15 0.2 0.86 CWK181HZN221MR15
        270 30×15 0.2 0.96 CWK181HZN271MR15
        330 35×15 0.2 1.1 CWK181HZN331MA15
        390 35×15 0.2 1.17 CWK181HZN391MA15
        200 120 22×15 0.2 0.61 CWK201HZN121MP15
        150 25.4×15 0.2 0.73 CWK201HZN151MQ15
        180 30×15 0.2 0.79 CWK201HZN181MR15
        200 220 30×15 0.2 0.9 CWK201HZN221MR15
        270 35×15 0.2 1 CWK201HZN271MA15
        330 35×15 0.2 1.07 CWK201HZN331MA15
        250 82 22×15 0.2 0.5 CWK251HZN820MP15
        100 25.4×15 0.2 0.59 CWK251HZN101MQ15
        120 25.4×15 0.2 0.65 CWK251HZN121MQ15
        150 30×15 0.2 0.71 CWK251HZN151MR15
        180 30×15 0.2 0.79 CWK251HZN181MR15
        220 35×15 0.2 0.9 CWK251HZN221MA15
        400 39 22×15 0.2 0.35 CWK401HZN390MP15
        47 25.4×15 0.2 0.4 CWK401HZN470MQ15
        56 25.4×15 0.2 0.44 CWK401HZN560MQ15
        68 30×15 0.2 0.46 CWK401HZN680MR15
        82 30×15 0.2 0.51 CWK401HZN820MR15
        100 35×15 0.2 0.56 CWK401HZN101MA15
        120 35×15 0.2 0.62 CWK401HZN121MA15

         

        ◆RATED RIPPLE CURRENT MULTIPLIERS
        ●Frequency Multipliers

        Frequency (HZ) 50 120 300 1K 10K 50K
        160~250vdc 0.81 1.00 1.17 1.32 1.45 1.50
        400vdc 0.77 1.00 1.16 1.30 1.41 1.43

        ×The endurance of capacitors is reduced with internal heating produced by ripple current at the rate of halving the lifetime with every 5℃
        rise when long life performance is required in actual use, the rms ripple current has to be reduced。

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