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    Zener Diodes

    Zener diodes are a type of semiconductor device that has different characteristics from a normal diode. Zener diodes allow current to flow from its anode to its cathode in either a forward or reverse direction, but only when exposed to enough voltage.

    How does a Zener diode work?

    Zener diodes are designed to change the direction of the current flow once the voltage reaches a specific, defined voltage level. This also means that Zener diodes can operate continuously in a breakdown mode. The voltage level that changes the direction of flow is called Zener Voltage or Breakdown Voltage. It could be defined for specific diodes anywhere from 1.8 to 200 V.

    Types of Zener diodes

    Zener diodes are offered in an array of different configurations such as different levels of power dissipation, mount types, and different configurations.

    There are also different types of Zener diodes such as:

    • Avalanche
    • Bi-Directional
    • ESD Protection
    • General Purpose
    • Ultra-small

    Typical applications of Zener diodes?

    Zener diodes are used in all kinds of electronic equipment and are used to protect circuits from overvoltage and electrostatic discharge or for switching applications. They are one of the basic building blocks of electronic circuits. Zener diodes work reliably in the breakdown region, unlike normal diodes which would overheat. They are the most common and handiest solutions to a number of needs in a circuit design.

    5658 Products showing for Zener Diodes

    Nexperia
    Single
    15V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    ±5%
    2
    15mA
    15Ω
    50nA
    4.8 x 2.6 x 2.6mm
    STMicroelectronics
    Single
    5.5V
    Surface Mount
    1
    -
    QFN
    Uni-Directional
    -
    2
    -
    -
    1.5µA
    1.6 x 0.55 x 1mm
    DiodesZetex
    -
    4.1V
    Surface Mount
    1
    200mW
    SOD-923
    Ultra Small
    ±5%
    2
    5mA
    1000Ω
    5µA
    0.8 x 0.6 x 0.37mm
    Vishay
    Single
    3V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    5%
    2
    5mA
    90Ω
    4µA
    3.7 x 1.6 x 1.6mm
    onsemi
    Single
    12V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    20mA
    30Ω
    1µA
    2.69 x 1.6 x 1.12mm
    onsemi
    Single
    4.3V
    Through Hole
    1
    5 W
    Surmetic 40
    Voltage Regulator
    5%
    2
    290mA
    500Ω
    10µA
    3.68 (Dia.) x 8.89mm
    Vishay
    Single
    7.45V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
    DiodesZetex
    Single
    18V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    7%
    2
    5mA
    45Ω
    100nA
    2.85 x 1.7 x 1.35mm
    DiodesZetex
    Single
    15V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    6%
    2
    5mA
    200Ω
    100nA
    2.85 x 1.7 x 1.35mm
    Vishay
    Single
    9.1V
    Through Hole
    -
    1.3 W
    DO-41 (DO-204AL)
    Silicon Planar
    ± 5%
    2
    -
    -
    -
    -
    onsemi
    Single
    5.6V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    20mA
    11Ω
    5µA
    2.69 x 1.6 x 1.12mm
    onsemi
    Single
    18V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    14mA
    20Ω
    5µA
    2.72 (Dia.) x 5.2mm
    DiodesZetex
    Single
    6.2V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    7%
    2
    5mA
    10Ω
    3µA
    2.85 x 1.7 x 1.35mm
    onsemi
    Single
    33V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    -
    2
    0.05mA
    -
    10nA
    2.84 x 1.8 x 1.25mm
    ROHM
    Single
    16V
    Surface Mount
    1
    500 mW
    SOD-323HE
    Bi-Directional
    -
    2
    -
    -
    100nA
    1.9 x 1.3 x 0.6mm
    Taiwan Semiconductor
    Single
    24V
    Surface Mount
    1
    1 W
    SOD-123W
    General Purpose
    -
    -
    -
    -
    -
    -
    Vishay
    Single
    24V
    Through Hole
    1
    3.25 W
    SOD-57
    Transient Suppressor
    6%
    2
    25mA
    15Ω
    1µA
    3.6 (Dia.) x 4mm
    onsemi
    Single
    2.7V
    Surface Mount
    1
    300 mW
    SOT-23
    Voltage Regulator
    5%
    3
    20mA
    30Ω
    75µA
    3.04 x 1.4 x 1.01mm
    Nexperia
    Single
    10V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    5%
    2
    5mA
    20Ω
    200nA
    4.25 x 1.85 x 1.85mm
    Nexperia
    Single
    10V
    Surface Mount
    1
    250 mW
    SOT-23 (TO-236AB)
    Voltage Regulator
    2%
    3
    5mA
    20Ω
    200nA
    3 x 1.4 x 1mm
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