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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.

    5735 Products showing for Zener Diodes

    ROHM
    Single
    28.9V
    Surface Mount
    1
    1 W
    DO-214AA (SMB)
    Voltage Regulator
    ±6.57%
    2
    -
    -
    -
    -
    onsemi
    Single
    120V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    10mA
    170Ω
    500nA
    8.89 x 3.68 x 3.68mm
    DiodesZetex
    Single
    12V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    20mA
    30Ω
    1µA
    2.85 x 1.7 x 1.35mm
    onsemi
    Single
    5.6V
    Surface Mount
    1
    550 mW
    SMB
    Voltage Regulator
    5%
    2
    66.9mA
    5µA
    4.32 x 3.56 x 2.13mm
    DiodesZetex
    Single
    8.2V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    6%
    2
    5mA
    80Ω
    700nA
    2.85 x 1.7 x 1.35mm
    Vishay
    Single
    3.9V
    Surface Mount
    1
    200 mW
    SOD-323
    Small Signal
    ± 5%
    2
    -
    -
    -
    -
    ROHM
    Isolated
    13.49V
    Surface Mount
    -
    150 mW
    SOD-523
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    DiodesZetex
    Common Cathode
    5.1V
    Surface Mount
    2
    300 mW
    SOT-23
    Voltage Regulator
    5%
    3
    5mA
    480Ω
    100nA
    3 x 1.4 x 1.1mm
    onsemi
    Single
    4.7V
    Surface Mount
    1
    3 W
    SMB
    Voltage Regulator
    5%
    2
    79.8mA
    5µA
    4.6 x 3.95 x 2.28mm
    Vishay
    Single
    6.51V
    Surface Mount
    1
    500 mW
    SOD-123
    Planar
    5%
    2
    -
    -
    -
    -
    Vishay
    Single
    5.6V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    7%
    2
    45mA
    1µA
    2.5 (Dia.) x 4.1mm
    ROHM
    Single
    3.5V
    Surface Mount
    1
    1 W
    SOD-128
    -
    -
    2
    -
    -
    -
    -
    Nexperia
    Single
    47V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    5%
    2
    4mA
    100Ω
    50nA
    4.8 x 2.6 x 2.6mm
    DiodesZetex
    Single
    5.1V
    Surface Mount
    1
    500 mW
    SOD-123
    General Purpose
    6%
    2
    5mA
    480Ω
    2µA
    2.85 x 1.7 x 1.35mm
    Vishay
    Single
    6.2V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    5%
    2
    5mA
    10Ω
    100nA
    3.7 x 1.6 x 1.6mm
    DiodesZetex
    Common Anode
    33V
    Surface Mount
    2
    300 mW
    SOT-23
    ESD Suppressor
    5%
    3
    5mA
    250Ω
    100nA
    3 x 1.4 x 1.1mm
    DiodesZetex
    Single
    12V
    Surface Mount
    1
    150 mW
    SOD-523
    General Purpose
    5%
    2
    0.05mA
    -
    50nA
    1.3 x 0.9 x 0.65mm
    onsemi
    Single
    15V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    8.5mA
    16Ω
    100nA
    2.84 x 1.8 x 1.25mm
    onsemi
    Single
    8.7V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    150mA
    10µA
    8.89 x 3.68 x 3.68mm
    Nexperia
    Single
    7.5V
    Surface Mount
    1
    250 mW
    TO-236AB
    Voltage Regulator
    ±5%
    3
    5mA
    -
    -
    3 x 1.4 x 1.1mm
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