Enter a product part number, or a portion of a part number.

    Select your region & language

    Electronic Components
    1. HOME
    2. Electronic Components
    3. Sound Components (Buzzer)
    4. Precautions for use of Sound Components
    5. Surface-mounted Device (SMD) Piezoelectric Sounders: Request to Prohibit Use in Chemical Atmospheres

    Sound Components (Buzzer)Surface-mounted Device (SMD) Piezoelectric Sounders: Request to Prohibit Use in Chemical Atmospheres

    Other

    Applicable Series
    PKMCS Series / PKLCS Series (SMD type)

    Do not use this product in an atmosphere containing chlorine gas, sulfidizing gas, acid, or another corrosive substances.

    The characteristics may deteriorate. The sound pressure may then drop or the sound may stop.

    How the failure occurs

    The conductive material inside the product may deteriorate and a failure may occur.
    For example, if the product is used in a sulfide gas atmosphere, the silver used as the conductive material inside the product may sulfurize. Silver sulfide may then be produced. Silver sulfide is not conductive. Therefore, it may cause an open circuit fault.

    Sulfidation : H2S + Ag → Ag2S + H2

    Case

    Normal

    Abnormal

    The electrode has turned black due to sulfidation.

    • *In order to indicate cases of sulfidation, Murata has example photographs for different part numbers.
    Back to contents page

    Related Links

    my Murata Open in new window
    Sound Components FAQ

    Inquiries

    Avoiding Counterfeit Products

    1. Electronic Components
    2. Sound Components (Buzzer)
    3. Precautions for use of Sound Components
    1. HOME
    2. Electronic Components
    3. Sound Components (Buzzer)
    4. Precautions for use of Sound Components
    5. Surface-mounted Device (SMD) Piezoelectric Sounders: Request to Prohibit Use in Chemical Atmospheres
    PageTOP