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HC-49/U,HC-49/T,HC-49/T3 Crystal UNITS

HC-49/U,HC-49/T,HC-49/T3 Crystal UNITS

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Description

  • Features
    eng
    High reliability by means of resistance weld hermetic seal. 125 2
    eng
    Excellent aging characteristics.
    eng
    RoHS compliant and lead free.
    Type
    HC-49/U,HC-49/T,HC-49/T3
    Freq. range
    Fundamental
    3rd
    5th
    1.8432 ~ 48.0MHz
    26.0 ~ 90.0MHz
    80.0 ~ 176.0MHz
    Vibration mode
    AT cut , Fundamental , 3rd , 5th
    Frequency tolerance (at 25°C)
    -/+10ppm , -/+30ppm , or specify
    Equivalent series resistance
    See table No.1
    Frequency stability over
    operating temperature range
    -/+10ppm , -/+30ppm , or specify
    Operating temperature range
    -10 ~ +60°C , or specify
    Drive Level
    1000uW Max.
    Shunt capacitance
    7.0pF Max.
    Load capacitance
    16pF, 18pF, 20pF, or specify
    Aging
    -/+2ppm/year , -/+5ppm/year
    Equivalent series resistance(ESR) Table No.1
    Frequency Mode ESR
    1.8432 MHz Fundamental 500 ohms Max.
    2.0~2.9 MHz Fundamental 350 ohms Max.
    3.0~3.1 MHz Fundamental 200 ohms Max.
    3.2~3.9 MHz Fundamental 150 ohms Max.
    4.0~4.4 MHz Fundamental 100 ohms Max.
    4.5~4.9 MHz Fundamental 80 ohms Max.
    5.0~6.9 MHz Fundamental 50 ohms Max.
    7.0~9.9 MHz Fundamental 35 ohms Max.
    10.0~48.0 MHz Fundamental 25 ohms Max.
    26.0~90.0 MHz 3rd 70 ohms Max.
    80.0~176.0 MHz 5th 120 ohms Max.
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