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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

    ROHM
    Single
    5.23V
    Surface Mount
    1
    100 mW
    SMD0603B
    -
    2.5%
    2
    -
    -
    -
    -
    Vishay
    Single
    7.92V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
    Vishay
    Single
    26.26V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
    Vishay
    Single
    3.3V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    5%
    2
    5mA
    90Ω
    2µA
    3.7 x 1.6 x 1.6mm
    ROHM
    Single
    2.43V
    Surface Mount
    1
    100 mW
    SOD-923, VMN2M
    Voltage Regulator
    -
    2
    5mA
    100 Ω, 1000 Ω
    120µA
    0.91 x 0.65 x 0.4mm
    Vishay
    Single
    100V
    Surface Mount
    1
    1 W
    SMA (DO-214AC)
    General Purpose
    ±10%
    2
    -
    -
    -
    -
    DiodesZetex
    Single
    15V
    Surface Mount
    1
    200 mW
    SOD-323
    General Purpose
    5%
    2
    0.05mA
    -
    50nA
    1.8 x 1.4 x 1.1mm
    ROHM
    Isolated
    6.3V
    Surface Mount
    -
    1 W
    SOD-128
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    DiodesZetex
    Common Cathode
    5.6V
    Surface Mount
    2
    300 mW
    SOT-23
    Voltage Regulator
    5%
    3
    5mA
    400Ω
    100nA
    3 x 1.4 x 1.1mm
    DiodesZetex
    Single
    13V
    Surface Mount
    1
    1 W
    POWERDI123
    General Purpose
    5%
    2
    50mA
    10Ω
    2µA
    3 x 1.93 x 1mm
    Vishay
    Single
    7.5V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    6%
    2
    5mA
    2µA
    1.7 (Dia.) x 3.9mm
    Nexperia
    Single
    12V
    Surface Mount
    1
    365 mW
    DFN1006BD-2
    General Purpose
    -
    -
    -
    -
    -
    -
    ROHM
    Isolated
    2.9V
    Surface Mount
    -
    200 mW
    SOD-323F
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    Vishay
    Single
    36V
    Surface Mount
    1
    1.5 W
    SMB (DO-214AA)
    Voltage Regulator
    ±5%
    2
    -
    -
    -
    -
    Vishay
    Single
    3V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    2%
    2
    5mA
    90Ω
    4µA
    3.7 x 1.6 x 1.6mm
    DiodesZetex
    Single
    15V
    Surface Mount
    1
    200 mW
    SOD-323
    General Purpose
    5%
    2
    0.05mA
    -
    50nA
    1.8 x 1.4 x 1.1mm
    onsemi
    Single
    2.4V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    5mA
    100Ω
    50µA
    2.84 x 1.8 x 1.25mm
    Vishay
    Single
    5.1V
    Surface Mount
    1
    300 mW
    DFN1006-2A
    Small Signal
    2%
    2
    -
    -
    -
    -
    onsemi
    Single
    2.4V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    5mA
    100Ω
    50µA
    2.84 x 1.8 x 1.25mm
    Vishay
    Single
    11.38V
    Surface Mount
    1
    500 mW
    MicroSMF (DO-219AC)
    General Purpose
    -
    2
    -
    -
    -
    -
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