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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.

    5730 Products showing for Zener Diodes

    onsemi
    Single
    7.5V
    Surface Mount
    1
    500 mW
    SMA
    Voltage Regulator
    5%
    2
    50mA
    2.5µA
    4.32 x 2.6 x 2mm
    Nexperia
    Single
    2.2V
    Surface Mount
    1
    365 mW
    DFN1006BD-2
    Voltage Regulator
    -
    -
    -
    -
    -
    -
    Nexperia
    Single
    39V
    Surface Mount
    1
    300 mW
    SC-76, SOD-323
    Voltage Regulator
    ±5%
    2
    5mA
    -
    -
    1.8 x 1.35 x 1.1mm
    DiodesZetex
    Single
    24V
    Surface Mount
    1
    500 mW
    SOD-323F
    Voltage Regulator
    2.5%
    2
    5mA
    60Ω
    70nA
    1.8 x 1.35 x 0.75mm
    onsemi
    Single
    5.1V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    240mA
    1.5Ω
    1µA
    8.89 x 3.68 x 3.68mm
    Nexperia
    Single
    18V
    Through Hole
    1
    500 mW
    SOD27 (DO-35)
    Voltage Regulator
    ±2 %, ±5%
    2
    5mA
    225 Ω @ 1 mA
    -
    1.85 (Dia.) x 4.25mm
    STMicroelectronics
    Single
    48V
    Surface Mount
    1
    600 W
    DO-214AC (SMA)
    -
    -
    2
    -
    -
    200nA
    2.9 x 2.25 x 4.6mm
    Vishay
    Single
    10V
    Surface Mount
    -
    0.42 W
    SOT-23
    Small Signal
    ± 2 %,± 5%
    3
    -
    -
    -
    -
    Vishay
    Single
    17.1V
    SMD
    1
    500 mW
    SOD-80
    Small Signal
    5%
    2
    -
    -
    -
    -
    Nexperia
    Single
    12V
    Through Hole
    1
    1 W
    SOD-66
    Voltage Regulator
    5%
    2
    21mA
    -
    5µA
    2.6 (Dia.) x 4.8mm
    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
    onsemi
    Single
    24V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    50mA
    3.5Ω
    500nA
    8.89 x 3.68 x 3.68mm
    onsemi
    Single
    5.6V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    11 Ω @ 20 mA, 1600 Ω @ 0.25 mA
    5µA
    1.91 (Dia.) x 4.56mm
    onsemi
    Single
    5.1V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    1600 Ω @ 0.25 mA, 17 Ω @ 20 mA
    5µA
    1.91 (Dia.) x 4.56mm
    onsemi
    Single
    4.3V
    Through Hole
    1
    5 W
    Surmetic 40
    Voltage Regulator
    5%
    2
    290mA
    500Ω
    10µA
    3.68 (Dia.) x 8.89mm
    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
    onsemi
    Single
    22V
    Through Hole
    1
    5 W
    CASE 017AA
    Voltage Regulator
    ±5%
    2
    50mA
    75Ω
    500nA
    3.68 (Dia.) x 8.89mm
    Vishay
    Single
    6.2V
    Surface Mount
    1
    500 mW
    SOD-123
    -
    5%
    2
    0.05mA
    -
    10µA
    2.85 x 1.7 x 1.35mm
    onsemi
    Single
    7.5V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    175mA
    1.5Ω
    10µA
    8.89 x 3.68 x 3.68mm
    ROHM
    Isolated
    12.2V
    Surface Mount
    -
    200 mW
    SOD-323FL
    Voltage Regulator
    -
    2
    -
    -
    -
    -
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