參數(shù)資料
    型號(hào)： T111B105J050CSC
    廠商： KEMET Corporation
    英文描述： TANTALUM HERMETICALLY SEALED / AXIAL
    中文描述： 鉭密封/軸流
    文件頁(yè)數(shù)： 78/84頁(yè)
    文件大小： 590K
    代理商： T111B105J050CSC
    KEMET
    78
    KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606 (864) 963-6300
    monolithic ceramic capacitors) it is insignificant at the
    basic measurement frequencies of 120 and 1000 Hz.
    RS — Represents the actual ohmic series resistance
    in series with the capacitance. Lead wires and capacitor
    electrodes are contributing sources.
    RL — Capacitor Leakage Resistance. Typically it can
    reach 50,000 megohms in a tantalum capacitor. It can
    exceed 1012 ohms in monolithic ceramics and in film
    capacitors.
    Rd — The dielectric loss contributed by dielectric
    absorption and molecular polarization. It becomes very
    significant in high frequency measurements and applica-
    tions. Its value varies with frequency.
    Cd — The inherent dielectric absorption of the solid
    tantalum capacitor which typically equates to 1-2% of the
    applied voltage.
    As frequency increases, X
    continues to decrease
    according to its equation above. There is unavoidable
    inductance as well as resistance in all capacitors, and at
    some point in frequency, the reactance ceases to be
    capacitive and becomes inductive. This frequency is called
    the self-resonant point. In solid tantalum capacitors, the
    resonance is damped by the ESR, and a smooth, rather
    than abrupt, transition from capacitive to inductive reac-
    tance (XL = 2pfL) follows.
    Typical ESR and Z performance is given for repre-
    sentative capacitor ratings in Figures 9 through 11.
    Measured impedance will be affected by the length of lead
    wire included. Data for the curves were taken by including
    1/2" of each lead wire in the measuring circuit.
    Despite the fact that the reactance is entirely induc-
    tive above the self-resonance, these capacitors find use
    as decoupling devices above 10 MHz. Special designs
    have been developed for minimum inductance and are
    used above 100 MHz.
    ESR and Z are also affected by temperature. At 100
    kHz, ESR decreases with increasing temperature. The
    amount of change is influenced by the size of the capaci-
    tor and is generally more pronounced on smaller ratings.
    13. POWER DISSIPATION
    Permissible power dissipation has been empirically
    established for all Series and is listed in each respective
    product section.
    See pages 6-41 for herm seal, 42-50 for axial and
    radial molded, and 61-70 for tantalum dipped.
    It is usually most convenient to translate the permis-
    sible power into an AC voltage rating. Assuming a sinu-
    soidal waveform, the “ripple voltage” permissible may be
    calculated from the impedance and ESR data shown in the
    respective product section. However, three criteria must
    be observed:
    APPLICATION NOTES FOR TANTALUM CAPACITORS
    10VDC Rated
    Frequency (MHz)
    ESR and Impedance vs. Frequency
    1
    10
    100
    0.1
    10
    μ
    Fd
    33
    μ
    Fd
    Impedance
    ESR
    (Ohms)
    100
    μ
    Fd
    10
    μ
    Fd
    33
    μ
    Fd
    100
    μ
    Fd
    220
    μ
    Fd
    220
    μ
    Fd
    100
    10M
    1M
    100K
    10K
    1000
    Figure 9.
    Frequency (MHz)
    0.1
    35VDC Rated
    100
    10M
    1M
    100K
    10K
    1000
    1
    10
    100
    Impedance
    ESR
    (Ohms)
    27
    μ
    Fd
    47
    μ
    Fd
    22
    μ
    Fd
    27
    μ
    Fd
    4.7
    μ
    Fd
    47
    μ
    Fd
    47
    μ
    Fd
    22
    μ
    Fd
    Figure 11a.
    ESR and Impedance vs. Frequency
    20VDC Rated
    Frequency (MHz)
    1
    3
    10
    0.1
    Impedance
    ESR
    (Ohms)
    4
    μ
    F
    6
    μ
    F
    10
    μ
    F
    100
    μ
    Fd
    0.3
    30
    47
    μ
    Fd
    68
    μ
    Fd
    100
    10M
    1M
    100K
    10K
    1000
    Figure 10.
    ESR and Impedance vs. Frequency
    10
    1
    0.1
    -50
    Temperature - Degrees Centigrade
    Figure 11b Typical Effect of Temperature
    on 100 kHz ESR
    -25
    0
    25
    50
    75
    100
    125
    Multiplier of 100kHz ESR
    相關(guān)PDF資料
    PDF描述
    T111B105J050DSC TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050MSC TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050PSC TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050RSC TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050SSC TANTALUM HERMETICALLY SEALED / AXIAL
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    T111B105J050DSC 制造商:KEMET 制造商全稱:Kemet Corporation 功能描述:TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050MSC 制造商:KEMET 制造商全稱:Kemet Corporation 功能描述:TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050PSC 制造商:KEMET 制造商全稱:Kemet Corporation 功能描述:TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050RSC 制造商:KEMET 制造商全稱:Kemet Corporation 功能描述:TANTALUM HERMETICALLY SEALED / AXIAL
    T111B105J050SSC 制造商:KEMET 制造商全稱:Kemet Corporation 功能描述:TANTALUM HERMETICALLY SEALED / AXIAL
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