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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

    Vishay
    Single
    20V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    5%
    2
    5mA
    220Ω
    2µA
    1.6 (Dia.) x 3.7mm
    onsemi
    Single
    3.6V
    Surface Mount
    1
    200 mW
    SOD-323F
    -
    2%
    2
    5mA
    84Ω
    4.5µA
    1.3 x 1.7 x 1mm
    ROHM
    Single
    2V
    Surface Mount
    1
    150 mW
    SOD-523
    Voltage Regulator
    -
    2
    -
    1000Ω
    120µA
    1.25 x 0.85 x 0.7mm
    Nexperia
    Single
    39V
    Surface Mount
    1
    250 mW
    SOT-23 (TO-236AB)
    Voltage Regulator
    2%
    3
    2mA
    130Ω
    50nA
    3 x 1.4 x 1.1mm
    Vishay
    Single
    6.2V
    Through Hole
    1
    1.3 W
    SOD-57
    Voltage Regulator
    6%
    2
    100mA
    1.5mA
    4.2 x 3.6 x 3.6mm
    onsemi
    Single
    51V
    Surface Mount
    1
    3 W
    SMB
    Voltage Regulator
    5%
    2
    7.3mA
    70Ω
    1µA
    4.6 x 3.95 x 2.28mm
    Nexperia
    Single
    15V
    Surface Mount
    1
    300 mW
    SOD-523
    Voltage Regulator
    2%
    2
    5mA
    15Ω
    50nA
    1.25 x 0.85 x 0.65mm
    Nexperia
    Single
    12V
    Surface Mount
    1
    1 W
    UPAK
    Voltage Regulator
    5%
    4
    5mA
    25Ω
    100nA
    4.6 x 2.6 x 1.6mm
    Nexperia
    Single
    33V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    5%
    2
    2mA
    80Ω
    50nA
    4.25 x 1.85 x 1.85mm
    Vishay
    Single
    24V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    2%
    2
    5mA
    80Ω
    100nA
    3.7 x 1.6 x 1.6mm
    onsemi
    Single
    30V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    8.5mA
    40Ω
    5µA
    2.72 (Dia.) x 5.2mm
    ROHM
    Single
    2.45V
    Surface Mount
    1
    1 W
    SOD-123FL
    Voltage Regulator
    -
    2
    40mA
    -
    200µA
    2.7 x 1.7 x 0.9mm
    DiodesZetex
    Single
    4.7V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    7%
    2
    5mA
    80Ω
    3µA
    2.85 x 1.7 x 1.35mm
    ROHM
    Single
    11V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    -
    3
    -
    -
    -
    -
    Vishay
    Single
    9.1V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    10Ω
    3µA
    1.7 (Dia.) x 3.9mm
    DiodesZetex
    Single
    4.7V
    Surface Mount
    1
    350 mW
    SOT-23
    General Purpose
    5%
    3
    20mA
    19Ω
    5µA
    3 x 1.4 x 1.1mm
    onsemi
    Single
    6.2V
    Surface Mount
    1
    500 mW
    SOD-523
    Voltage Regulator
    2%
    2
    5mA
    10Ω
    3µA
    1.3 x 0.9 x 0.7mm
    ROHM
    Single
    20V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    -
    3
    -
    -
    -
    -
    onsemi
    Single
    25V
    Through Hole
    1
    3 W
    Case 59-10
    Voltage Regulator
    5%
    2
    13.9mA
    23 Ω, 700Ω
    250nA
    2.7 (Dia.) x 5.2mm
    DiodesZetex
    Single
    20V
    Surface Mount
    1
    500 mW
    SOD-123
    General Purpose
    5%
    2
    6.2mA
    25Ω
    100nA
    2.85 x 1.7 x 1.35mm
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