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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.

    3491 สินค้าที่แสดงสำหรับ Crystal Units

    Wurth Elektronik
    12MHz
    Surface Mount
    18pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    12MHz
    Surface Mount
    18pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Through Hole
    12.5pF
    Cylinder
    2
    -
    -
    -
    3 x 8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    16MHz
    Surface Mount
    12pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Surface Mount
    12.5pF
    SMT
    2
    -
    -
    -
    3.2 x 1.5 x 0.9mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    24MHz
    Surface Mount
    10pF
    SMT
    4
    -
    -
    -
    2.5 x 2 x 0.6mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Through Hole
    12.5pF
    Cylinder
    2
    -
    -
    -
    3 x 8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    25MHz
    Surface Mount
    9pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Through Hole
    6pF
    Cylinder
    2
    -
    -
    -
    2 x 6mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Through Hole
    12.5pF
    Cylinder
    2
    -
    -
    -
    3 x 8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    24MHz
    Surface Mount
    8pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    3.2768MHz
    Through Hole
    12pF
    HC49/4H
    2
    -
    -
    -
    11.05 x 4.7 x 4.1mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Surface Mount
    7pF
    SMT
    2
    -
    -
    -
    3.2 x 1.5 x 0.9mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    32.768kHz
    Surface Mount
    9pF
    SMT
    2
    -
    -
    -
    3.2 x 1.5 x 0.9mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    12MHz
    Surface Mount
    8pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    25MHz
    Surface Mount
    10pF
    SMT
    4
    -
    -
    -
    2.5 x 2 x 0.6mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    16MHz
    Surface Mount
    8pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    16MHz
    Surface Mount
    10pF
    SMT
    4
    -
    -
    -
    2.5 x 2 x 0.6mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    24MHz
    Surface Mount
    12pF
    SMT
    4
    -
    -
    -
    3.2 x 2.5 x 0.8mm
    -
    -
    -
    -
    -
    Wurth Elektronik
    5MHz
    Surface Mount
    30pF
    SMT
    2
    -
    -
    -
    13.4 x 4.9 x 4.3mm
    -
    -
    -
    -
    -
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