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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.

    5641 Products showing for Zener Diodes

    Vishay
    Single
    62V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    2%
    2
    2.5mA
    150Ω
    10µA
    1.7 (Dia.) x 3.9mm
    Nexperia
    Single
    6V
    Surface Mount
    1
    550 mW
    SOD-323F
    General Purpose
    2%
    2
    5mA
    -
    3µA
    1.8 x 1.35 x 0.8mm
    Nexperia
    Single
    5.6V
    Surface Mount
    1
    365 mW
    DFN1006BD-2
    Voltage Regulator
    -
    -
    -
    -
    -
    -
    DiodesZetex
    Single
    6.8V
    Surface Mount
    1
    3 W
    SMB
    General Purpose
    5%
    2
    55.1mA
    2.5Ω
    5µA
    4.57 x 3.94 x 2.3mm
    ROHM
    Isolated
    75V
    Surface Mount
    -
    200 mW
    SOD-323FL
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    Vishay
    Single
    15.57V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
    Vishay
    Single
    43V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    2%
    2
    2.5mA
    90Ω
    5µA
    1.7 (Dia.) x 3.9mm
    Nexperia
    Single
    2.4 V To 75V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    5%
    3
    -
    -
    -
    -
    Vishay
    Single
    9.1V
    Surface Mount
    1
    200 mW
    SOD-523
    Small Signal
    ±5%
    2
    -
    -
    -
    -
    Vishay
    Single
    6.8V
    Surface Mount
    1
    500 mW
    SOD-80
    Voltage Regulator
    5%
    2
    0.05mA
    -
    10µA
    3.7 x 1.6 x 1.6mm
    Nexperia
    Single
    5.6V
    Surface Mount
    1
    300 mW
    SOD-523
    Voltage Regulator
    5%
    2
    5mA
    40Ω
    1µA
    1.25 x 0.85 x 0.65mm
    Nexperia
    Single
    24V
    Surface Mount
    1
    550 mW
    SOD-323F
    General Purpose
    5%
    2
    5mA
    -
    50nA
    1.8 x 1.35 x 0.8mm
    Nexperia
    Single
    5.1V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    5%
    2
    45mA
    10Ω
    3µA
    4.8 x 2.6 x 2.6mm
    Vishay
    Single
    200V
    Through Hole
    1
    3.25 W
    SOD-57
    Transient Suppressor
    6%
    2
    5mA
    500Ω
    1µA
    3.6 (Dia.) x 4mm
    DiodesZetex
    Single
    6V
    Surface Mount
    1
    200 mW
    SOD-323
    General Purpose
    5%
    2
    20mA
    5µA
    1.8 x 1.4 x 1.1mm
    Vishay
    Single
    14.13V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
    Nexperia
    Single
    30V
    Surface Mount
    1
    365 mW
    DFN1006BD-2
    General Purpose
    -
    -
    -
    -
    -
    -
    Vishay
    Single
    11V
    Surface Mount
    1
    1 W
    SMA (DO-214AC)
    General Purpose
    ±5%
    2
    -
    -
    -
    -
    DiodesZetex
    Single
    27V
    Surface Mount
    1
    350 mW
    SOD-523
    Precision
    ±2%
    2
    2mA
    300Ω
    50nA
    1.3 x 0.9 x 0.65mm
    Vishay
    Single
    5.07V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
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