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    Size Matters : World’s smallest crystal unit of 1.2×1.0mm By Murata

    Murata Manufacturing Co., Ltd. has introduced a high precision crystal unit (XRCED Series) with the world’s smallest size.

    With the increasing use of equipment using wireless communications such as Wi-Fi and Bluetooth, the need for decreased size has grown, for smartphones, wearables, and hearing aids. Murata unique technology assures excellent resonance resistance and dielectric strength, and by further decreasing the size to 1.2×1.0mm (XRCED Series), the product contributes to size reduction for mobile equipment and modules that use wireless technology such as Wi-Fi and Bluetooth.


    Murata has obtained favorable ESR by using special packaging technology and high precision assembly. Normally the package is made low-profile to reduce the size of the crystal unit, but that leads to deformation of the package and seal breakage. For this reason, Murata uses a structure that distributes stress at time of molding and assures dielectric strength.

    • Conforms to RoHS regulations, is lead-free (phase 3)
    • Allows lead-free solder mounting
    • Wi-Fi/Bluetooth equipped devices
    • Hearing aids

    Part Number : XRCED37M400FXQ52R0 (37.4MHz)

    • External Dimensions :
    • 1.2x1.0mm, Crystal Unit
    • For more information, visit Murata’s website at
    ELE Times Bureau
    ELE Times Bureau
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