Crystal Units | Industrial Resonators | RS
Recently searched

    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.

    3667 Products showing for Crystal Units

    4.1943MHz
    Surface Mount
    18pF
    -
    2
    12mm
    3.8mm
    4.6mm
    12 x 3.8 x 4.6mm
    ±30ppm
    ±50ppm
    130Ω
    85°C
    -40°C
    14.3182MHz
    Surface Mount
    20pF
    -
    2
    12mm
    3.8mm
    4.6mm
    12 x 3.8 x 4.6mm
    ±30ppm
    ±30ppm
    50Ω
    85°C
    -40°C
    26MHz
    Surface Mount
    20pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    -
    70°C
    -20°C
    32MHz
    Surface Mount
    10pF
    SMT
    4
    2mm
    1.6mm
    0.5mm
    2 x 1.6 x 0.5mm
    ±10ppm
    ±10ppm
    50Ω
    85°C
    -30°C
    4MHz
    Through Hole
    18
    -
    2
    -
    -
    10.5mm
    3.2 (Dia.) x 10.5mm
    ±50ppm
    ±50ppm
    200Ω
    60°C
    -10°C
    30.875MHz
    Through Hole
    18pF
    -
    2
    11.35mm
    5mm
    3.5mm
    11.35 x 5 x 3.5mm
    ±30ppm
    ±50ppm
    -
    70°C
    -20°C
    12MHz
    Through Hole
    18pF
    -
    2
    11.35mm
    5mm
    3.5mm
    11.35 x 5 x 3.5mm
    ±30ppm
    ±50ppm
    50Ω
    70°C
    -20°C
    16MHz
    Surface Mount
    18pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    80Ω
    85°C
    -40°C
    12MHz
    Surface Mount
    18pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    100Ω
    85°C
    -40°C
    12MHz
    Surface Mount
    20pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    4.9152MHz
    Surface Mount
    20pF
    -
    2
    12mm
    3.8mm
    4.6mm
    12 x 3.8 x 4.6mm
    ±30ppm
    ±50ppm
    130Ω
    70°C
    -20°C
    8MHz
    Surface Mount
    8pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±20ppm
    100Ω
    70°C
    -20°C
    32MHz
    Surface Mount
    8pF
    SMT
    4
    2mm
    1.6mm
    0.5mm
    2 x 1.6 x 0.5mm
    ±10ppm
    ±10ppm
    180Ω
    85°C
    -40°C
    32.768kHz
    Surface Mount
    12.5pF
    SMT
    2
    3.2mm
    1.5mm
    0.8mm
    3.2 x 1.5 x 0.8mm
    ±10ppm
    -
    90kΩ
    85°C
    -40°C
    QANTEK
    7.3728MHz
    Through Hole
    18pF
    HC-49/U-S
    2
    11.05mm
    4.65mm
    3.5mm
    11.05 x 4.65 x 3.5mm
    ±20ppm
    ±30ppm
    80Ω
    85°C
    -40°C
    QANTEK
    25MHz
    Through Hole
    18pF
    HC-49/U-S
    2
    11.05mm
    4.65mm
    3.5mm
    11.05 x 4.65 x 3.5mm
    ±20ppm
    ±30ppm
    80Ω
    85°C
    -40°C
    IQD
    16MHz
    Surface Mount
    16pF
    SMD
    2
    11.4mm
    4.9mm
    4.3mm
    11.4 x 4.9 x 4.3mm
    ±30ppm
    ±50ppm
    40Ω
    60°C
    -10°C
    QANTEK
    24MHz
    Through Hole
    18pF
    HC-49/U-S
    2
    11.05mm
    4.65mm
    3.5mm
    11.05 x 4.65 x 3.5mm
    ±20ppm
    ±30ppm
    40Ω
    85°C
    -40°C
    QANTEK
    8MHz
    Surface Mount
    18pF
    HC-49/U-S SMD
    2
    11.4mm
    4.8mm
    4.4mm
    11.4 x 4.8 x 4.4mm
    ±20ppm
    ±30ppm
    60Ω
    85°C
    -40°C
    QANTEK
    4MHz
    Surface Mount
    18pF
    HC-49/U-S SMD
    2
    11.4mm
    4.8mm
    4.4mm
    11.4 x 4.8 x 4.4mm
    ±20ppm
    ±30ppm
    120Ω
    85°C
    -40°C
    Results per page