Gas Discharge Tubes | GDT Surge Protection | RS
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    Gas Discharge Tubes

    Gas discharge tubes (GDT) are sealed glass tubes containing a pair of electrodes and filled with a gas that only conducts when a high voltage is applied across the electrodes. When a voltage spike appears across the device the gas is ionised (becomes a conducting gas plasma) which short-circuits the spike energy away. Gas discharge tubes are often used to protect sensitive circuit inputs from potentially damaging interference voltage transients. The large amount of energy that can be dispersed by gas discharge tubes makes them a good choice for lightning surge protection, particularly for telecommunications equipment.

    Why use a gas discharge tube?

    Most commonly used as a surge protection aid, gas discharge tubes are key in limiting surges in voltage across both electronic and electrical circuits. GDTs are great at handling high current feeds whilst also maintaining low capacitance and having excellent insulation resistance.

    251 Produits présentés pour Gas Discharge Tubes

    EPCOS
    EHV
    2 Electrode Arrester
    25kA
    600V
    950 V, 1100V
    600 V dc
    Through Hole
    -
    -
    -
    -
    6.05mm
    +90°C
    -40°C
    Littelfuse
    CG2
    2 Electrode Arrester
    2.5kA
    920V
    1200 V, 1500V
    -
    Axial
    8.1 (Dia.) x 6.07mm
    -
    -
    -
    6.07mm
    +90°C
    -40°C
    Bourns
    2046
    3 Electrode Gas Discharge Tube
    20kA
    90V
    700V
    -
    Through Hole
    8 (Dia.) x 10mm
    4.4mm
    -
    -
    10mm
    +85°C
    -30°C
    Bourns
    2049
    2 Electrode Gas Discharge Tube
    20kA
    75V
    600V
    -
    Axial
    8 (Dia.) x 6mm
    -
    -
    -
    6mm
    +85°C
    -30°C
    EPCOS
    EHV
    2 Electrode Arrester
    10kA
    75V
    700V
    -
    Axial
    8 (Dia.) x 6.05mm
    -
    -
    -
    6.05mm
    +90°C
    -40°C
    Bourns
    2049
    2 Electrode Gas Discharge Tube
    20kA
    600V
    1300V
    -
    Axial
    8 (Dia.) x 6mm
    -
    -
    -
    6mm
    +85°C
    -30°C
    Bourns
    2031
    2 Electrode Arrester
    1kA
    150V
    500V
    -
    Surface Mount
    -
    -
    -
    -
    -
    -
    -
    Bourns
    2049
    2 Electrode Gas Discharge Tube
    20kA
    75V
    600V
    -
    Axial
    8 (Dia.) x 6mm
    -
    -
    -
    6mm
    +85°C
    -30°C
    Littelfuse
    CG3
    2 Electrode Arrester
    10kA
    1800V
    1800 V, 2000V
    230 Vrms
    Axial
    8 (Dia.) x 6mm
    -
    -
    -
    6mm
    +90°C
    -40°C
    Bourns
    SM
    3 Electrode Gas Discharge Tube
    4kA
    185V
    650V
    -
    Surface Mount
    -
    -
    -
    -
    -
    -
    -
    Bourns
    2046
    3 Electrode Gas Discharge Tube
    20kA
    230V
    700V
    -
    Surface Mount
    8 (Dia.) x 10mm
    -
    -
    -
    10mm
    +85°C
    -30°C
    Bourns
    GDT35
    3 Electrode Gas Discharge Tube
    20kA
    350V
    810V
    -
    Surface Mount
    -
    -
    -
    -
    -
    -
    -
    EPCOS
    EHV
    2 Electrode Arrester
    12kA
    90V
    450 V, 550V
    90 V dc
    Through Hole
    -
    -
    -
    -
    6.05mm
    +90°C
    -40°C
    EPCOS
    EHV
    3 Electrode Arrester
    25kA
    230V
    350 V, 450V
    230 V dc
    Through Hole
    -
    -
    -
    10.5mm
    13.4mm
    +90°C
    -40°C
    Bourns
    2051
    2 Electrode Arrester
    2kA
    200V
    500 V, 650V
    200 V
    Surface Mount
    4.5 x 3.2 x 2.7mm
    -
    3.2mm
    2.7mm
    4.5mm
    +90°C
    -40°C
    EPCOS
    A71-H14X
    2 Electrode Arrester
    15kA
    1400V
    2100V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    EPCOS
    EHV
    2 Electrode Arrester
    5kA
    230V
    500 V, 600V
    230 V
    Axial
    8 (Dia.) x 6.05mm
    -
    -
    -
    6.05mm
    +90°C
    -40°C
    EPCOS
    EHV
    2 Electrode Arrester
    12kA
    600V
    1100 V, 950V
    600 V dc
    Through Hole
    -
    -
    -
    -
    6.05mm
    +90°C
    -40°C
    Bourns
    2049
    2 Electrode Gas Discharge Tube
    20kA
    250V
    700V
    -
    Axial
    8 (Dia.) x 6mm
    -
    -
    -
    6mm
    +85°C
    -30°C
    Littelfuse
    CG2
    2 Electrode Arrester
    2.5kA
    920V
    1200 V, 1500V
    -
    Axial
    8.1 (Dia.) x 6.07mm
    -
    -
    -
    6.07mm
    +90°C
    -40°C
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