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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

    onsemi
    Single
    11V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    0.05mA
    -
    50nA
    2.84 x 1.8 x 1.25mm
    Nexperia
    Single
    5.6V
    Surface Mount
    1
    300 mW
    UMD
    Voltage Regulator
    5%
    2
    5mA
    40Ω
    1µA
    1.8 x 1.35 x 1.05mm
    STMicroelectronics
    Single
    28V
    Through Hole
    1
    1.7 W
    DO-15
    -
    -
    2
    -
    -
    200nA
    3.53 (Dia.) x 6.75mm
    onsemi
    Single
    36V
    Through Hole
    1
    5 W
    Surmetic 40
    Voltage Regulator
    5%
    2
    30mA
    160Ω
    500nA
    3.68 (Dia.) x 8.89mm
    Vishay
    Single
    33V
    Surface Mount
    1
    1 W
    SMA
    -
    ±10%
    2
    7.5mA
    45Ω
    5µA
    4.5 x 2.79mm
    ROHM
    Single
    15V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    -
    3
    -
    -
    -
    -
    onsemi
    Single
    6V
    Through Hole
    1
    5 W
    CASE 017AA
    Voltage Regulator
    ±5%
    2
    -
    1µA
    3.68 (Dia.) x 8.89mm
    onsemi
    Single
    39V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    30mA
    14Ω
    500nA
    8.89 x 3.68 x 3.68mm
    Vishay
    Single
    13V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    2%
    2
    5mA
    35Ω
    1µA
    1.7 (Dia.) x 3.9mm
    onsemi
    Single
    82V
    Through Hole
    1
    5 W
    Surmetic 40
    Voltage Regulator
    5%
    2
    15mA
    720Ω
    500nA
    3.68 (Dia.) x 8.89mm
    Nexperia
    Single
    3V
    Surface Mount
    1
    250 mW
    SOT-23 (TO-236AB)
    Voltage Regulator
    5%
    3
    5mA
    95Ω
    10µA
    3 x 1.4 x 1mm
    Nexperia
    Single
    27V
    Through Hole
    1
    500 mW
    SOD-27 (DO-35)
    Voltage Regulator
    ±5%
    2
    5mA
    300 Ω @ 1 mA
    50nA
    1.85 (Dia.) x 4.25mm
    Nexperia
    Single
    15V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    ±5%
    2
    15mA
    15Ω
    50nA
    4.8 x 2.6 x 2.6mm
    onsemi
    Single
    3.3V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    5%
    2
    5mA
    95Ω
    25µA
    1.91 (Dia.) x 4.56mm
    ROHM
    Single
    12V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    -
    3
    -
    -
    -
    -
    ROHM
    Single
    7.25V
    Surface Mount
    1
    1 W
    DO-214AA (SMB)
    Voltage Regulator
    ±6.21%
    2
    -
    -
    -
    -
    ROHM
    Isolated
    6.9V
    Surface Mount
    -
    150 mW
    SOD-523
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    DiodesZetex
    Single
    2.7V
    Surface Mount
    1
    500 mW
    SOD-323F
    Voltage Regulator
    4%
    2
    20mA
    110Ω
    120µA
    1.8 x 1.35 x 0.75mm
    Vishay
    Single
    18V
    Surface Mount
    1
    1 W
    DO-214AC (SMA)
    General Purpose
    5%
    2
    14mA
    20Ω
    5µA
    4.5 x 2.79 x 2.087mm
    Vishay
    Single
    5.1V
    Through Hole
    1
    1.3 W
    DO-41
    General Purpose
    2%
    2
    45mA
    10Ω
    1µA
    2.6 (Dia.) x 4.1mm
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