Varistors | Metal Oxide Varistors | MOV | RS
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    Varistors

    Varistors are devices that provide excellent transient voltage suppression and are a type of non-linear device that feature similar characteristics to Zener diodes. They are used to protect vulnerable electronic circuits and components from overvoltage conditions that can cause damage. Any potentially destructive overvoltage energy is dissipated as heat.

    Types of Varistor

    Metal oxide varistors

    Metal Oxide Varistors (MOVs) are typically constructed from zinc oxide and combined with small additions of other metal oxides such as cobalt, manganese or bismuth. These materials are sintered into ceramic casings during manufacture. Although MOVs are available in different formats, they are most commonly radial leaded discs.

    Applications:

    • Suppression of lightning and other high levels of transient energy
    • Low voltage power supplies in DC circuits
    • Low voltage power supply in automotive applications
    • Protection from internal transients within capacitor discharges, relay switching and inductive load switching

    Ceramic transient voltage

    Ceramic transient voltage suppressors are a type of variable resistor that are designed to respond to momentary conditions of overvoltage. They are more effective than other types of overvoltage protection components, such as varistors or gas discharge tubes, as they respond faster to the changing conditions. This particular type of transient voltage suppressor is made from ceramic.

    Applications:

    Ceramic transient voltage suppressors are used as part of electronic circuits to protect data or transmission lines. They work to protect against both unidirectional and bidirectional electrostatic discharge. This kind of sudden voltage spike can be caused either internally or externally, for example in the form of lightning or motor arcing.

    2199 產品顯示為 Varistors

    Panasonic
    270V
    175V
    225V
    455V
    25A
    49J
    ZNR
    V
    11.5mm
    3500A
    350pF
    34.5mm
    -
    5.2mm
    11.5 (Dia.) x 5.2mm
    -
    Littelfuse
    473V
    275V
    350V
    710V
    -
    190J
    Metal
    TMOV
    28mm
    10000A
    900pF
    -
    -
    -
    28 (Dia.) x 31mm
    -
    Littelfuse
    1650V
    880V
    1150V
    2340V
    -
    3200J
    Metal
    BA
    60mm
    70000A
    2.7nF
    100mm
    -
    -
    100 x 95 x 23.5mm
    -
    Panasonic
    27V
    17V
    22V
    53V
    2.5A
    1.6J
    ZNR
    V
    8.5mm
    500A
    3.4nF
    31.5mm
    -
    4.7mm
    8.5 (Dia.) x 4.7mm
    -
    Panasonic
    56V
    35V
    45V
    110V
    5A
    8.1J
    ZNR
    V
    11.5mm
    1000A
    3.75nF
    34.5mm
    -
    6.1mm
    11.5 (Dia.) x 5.1mm
    -
    Panasonic
    430V
    275V
    350V
    710V
    25A
    80J
    ZNR
    E
    -
    3500A
    230pF
    33.5mm
    -
    6.5mm
    10.5 x 6.5mm
    -
    Panasonic
    390V
    250V
    320V
    650V
    25A
    70J
    ZNR
    V
    11.5mm
    3500A
    300pF
    34.5mm
    -
    5.8mm
    11.5 (Dia.) x 5.8mm
    -
    EPCOS
    470V
    300V
    385V
    775V
    50A
    76J
    Metal
    StandarD
    15.5mm
    4500A
    300pF
    -
    -
    5.2mm
    15.5 (Dia.) x 5.2mm
    -
    Panasonic
    18V
    11V
    14V
    36V
    2.5A
    0.9J
    ZNR
    V
    8.5mm
    500A
    3.8nF
    31.5mm
    -
    4.5mm
    8.5 (Dia.) x 4.5mm
    -
    Panasonic
    82V
    50V
    65V
    135V
    10A
    7J
    ZNR
    V
    8.5mm
    1750A
    810pF
    31.5mm
    -
    4.1mm
    8.5 (Dia.) x 4.1mm
    -
    Panasonic
    47V
    30V
    38V
    93V
    5A
    6.8J
    ZNR
    V
    11.5mm
    1000A
    4.6nF
    34.5mm
    -
    5mm
    11.5 (Dia.) x 5mm
    -
    Panasonic
    33V
    20V
    26V
    65V
    5A
    5J
    ZNR
    V
    11.5mm
    1000A
    6.3nF
    34.5mm
    -
    4.8mm
    11.5 (Dia.) x 5mm
    -
    Panasonic
    390V
    250V
    320V
    650V
    10A
    9J
    ZNR
    VF
    -
    300A
    -
    8mm
    -
    3.2mm
    -
    -
    Panasonic
    18V
    11V
    14V
    36V
    20A
    13J
    ZNR
    V
    21.5mm
    3000A
    40nF
    34.5mm
    -
    5.1mm
    21.5 (Dia.) x 5.1mm
    -
    EPCOS
    29.7 → 36.3V
    20V
    26V
    54V
    1A
    0.7J
    Ceramic
    CT/B
    -
    200A
    600pF
    3.2mm
    1.6mm
    -
    3.2 x 1.6 x 1.7mm
    1206 (3216M)
    Wurth Elektronik
    47V
    30V
    38V
    93V
    5A
    6J
    Metal
    WE-VD
    12.5mm
    500A
    3.14nF
    -
    -
    5mm
    12.5 (Dia.) x 5mm
    -
    Panasonic
    47V
    30V
    38V
    93V
    10A
    14J
    ZNR
    V
    15.5mm
    2000A
    6.75nF
    38.5mm
    -
    5mm
    15.5 (Dia.) x 5mm
    -
    KYOCERA AVX
    41V
    21V
    30V
    67V
    1A
    0.1J
    Ceramic
    VC
    -
    30A
    125pF
    1.6mm
    0.8mm
    -
    1.6 x 0.8 x 0.9mm
    0603 (1608M)
    Panasonic
    39V
    25V
    31V
    77V
    10A
    11J
    ZNR
    V
    15.5mm
    2000A
    7nF
    34.5mm
    -
    4.9mm
    15.5 (Dia.) x 4.9mm
    -
    Panasonic
    680V
    420V
    560V
    1120V
    100A
    382J
    ZNR
    E
    -
    7500A
    600pF
    40.5mm
    -
    7.8mm
    17.5 x 7.5mm
    -
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