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    Piezoelectric ceramic wafers for ultrasonic beauty instruments

    Pbulish：admin　　time：2007年12Month07Day
     

    型号及规格

    外型尺寸(mm)
    直径×厚度

    主要技术特征

    fr(MHz)

    Zr(Ω)

    Kr

    HF-28/2MC

    φ28×2

    1.0

    ≤3

    ≥0.47

    HF-25/1MC

    φ25×2

    1.0

    ≤4

    ≥0.47

    HF-20/1MC

    φ20×2

    1.0

    ≤4

    ≥0.47