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    Crystal Units

    Crystal units are used as resonators in crystal oscillator circuits and have a highly accurate frequency, tight tolerance and long-term stability. They come in a wide range of frequencies and provide the clock source. Specifications include resonance frequency, resonance mode, load capacitance and series resistance. The mode of oscillation in the resonance frequency operation is specified at the fundamental frequency or the third overtone.

    Crystal Unit Modes

    Crystals have two resonance modes, parallel and series. Load capacitance is an important specification when using parallel-resonant oscillation mode. Oscillator circuits can tolerate some degree of series resistance. Metal, ceramic epoxy and plastic package variety for crystals offer excellent environmental and heat resistance. Applications of a crystal are found in mobile phones, clock circuit for microprocessors, GPS clocks, and ISM band radio frequency communications.

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    16 産品
    單價
    Brand
    Standard Frequency
    Mounting Type
    Load Capacitance
    Package Type
    Pin Count
    Length
    Width
    Height
    Dimensions
    Frequency Tolerance
    Frequency Stability
    Series Resistance
    Maximum Operating Temperature
    Minimum Operating Temperature
    產品詳述
    單價
    Brand
    Standard Frequency
    Mounting Type
    Load Capacitance
    Package Type
    Pin Count
    Length
    Width
    Height
    Dimensions
    Frequency Tolerance
    Frequency Stability
    Series Resistance
    Maximum Operating Temperature
    Minimum Operating Temperature
    CITIZEN FINEDEVICE
    9.21MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    5MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    150Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    40MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    18MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    12.28MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    80Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    8MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    20MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    9.83MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    16MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    19.66MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    24MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    10MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    80Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    11.28MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    80Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    4.09MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    150Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    25MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    50Ω
    70°C
    -20°C
    CITIZEN FINEDEVICE
    48MHz
    Through Hole
    18pF
    -
    2
    11.5mm
    4.66mm
    3.5mm
    11.5 x 4.66 x 3.5mm
    ±30ppm
    ±30ppm
    100Ω
    70°C
    -20°C
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