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    | In-line crystal oscillator |  
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    | model | Size(mm) | temperature(℃) | Frequency Range | PDF |  
    | 49S | 11.35*4.65*3.6mm | -20°C~+70°C | 25.000MHz | PDF |  
    | 49S | 11.35*4.65*3.6mm | -20°C~+70°C | 16.934MHz | PDF |  
    | 49S | 11.35*4.65*3.6mm | -20°C~+70°C | 16.000MHz | PDF |  
    | 49S | 11.35*4.65*3.6mm | -20°C~+70°C | 10.000MHz | PDF |  
    | 49S | 11.35*4.65*3.6mm | -20°C~+70°C | 4.000MHz | PDF |  |  |