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PRODUCT INFO
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NXN-21
Crystal Units
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Type SMD
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Freqvency Range 20.0 MHz to 50.0 MHz
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Dimension(mm) 2.0*1.6*0.5
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Rohs Compliant
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Pb Free
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Feature Seam welding
Excellent solderability
Automatic and perfect packing due to emboss taping
Excellent vibration resistance & shock resistance
Rohs compliant / Pb free

Application of SMD crystal:
  • Radio communication
  • TCXO
  • Office automation equipment
  • GPS
  • Audio-visual equipment
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    PDF Download:Prod20120131023.pdf
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    Specifications
    Model
    NXN-21
    1.Frequency
     
    Frequency Range
    20.0 ~ 50.0 MHz
    Frequency Tolerance at 25°C±2°C
    ±10 ~ ±50 ppm (TYP.)
    Frequency Stability Over Operating Temp Range
    ±10 ~ ±50 ppm (TYP.)
    2.Environmental Condition
     
    Operating Temp Range
    -10°C~ +60°C,-20°C~ +70°C or customer requirement
    Storage Temp Range
    -40°C ~ +85°C
    Aging Rate
    ±3ppm/year
    3.Electrical Specifications
     
    Test Circuit
    S&A 250B
    Load Capacitance
    6 pF ~ 32 pF, series or special
    Drive Level
    1uW ~ 100uW or special
    Shunt Capacitance
    7.0pF max

    Equivalent Series Resistance(ESR) VS Frequency:

    Frequency (MHz)

    Oscillation Mode

    NXN-21

    20.0 ~ 23.9

    Fundamental

    120Ω

    24.0 ~ 29.9

    Fundamental

    100Ω

    30.0 ~ 37.9

    Fundamental

    80Ω

    38.0 ~ 50.0

    Fundamental

    60Ω

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