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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.

    5733 產品顯示為 Zener Diodes

    DiodesZetex
    Common Anode
    6.8V
    Surface Mount
    2
    300 mW
    SOT-23
    ESD Suppressor
    5%
    3
    5mA
    150Ω
    100nA
    3 x 1.4 x 1.1mm
    onsemi
    Single
    39V
    Surface Mount
    1
    1.5 W
    SMA
    Voltage Regulator
    5%
    2
    9.6mA
    45 Ω, 900Ω
    500nA
    4.57 x 2.92 x 2.05mm
    Nexperia
    Single
    6V
    Surface Mount
    1
    300 mW
    SC-76, SOD-323
    Voltage Regulator
    ±2%
    2
    5mA
    -
    -
    1.8 x 1.35 x 1.1mm
    onsemi
    Single
    24V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    10.5mA
    750Ω
    5µA
    2.72 (Dia.) x 5.2mm
    ROHM
    Single
    2.63V
    Surface Mount
    1
    150 mW
    SOD-523
    Voltage Regulator
    -
    2
    5mA
    1000Ω
    120µA
    1.25 x 0.85 x 0.7mm
    Nexperia
    Single
    33V
    Surface Mount
    1
    300 mW
    SOD-523
    Voltage Regulator
    ±2%
    2
    2mA
    -
    0.05µA
    1.25 x 0.85 x .065mm
    Vishay
    Single
    11V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    2%
    2
    5mA
    25Ω
    1µA
    1.7 (Dia.) x 3.9mm
    DiodesZetex
    Single
    3V
    Surface Mount
    1
    350 mW
    SOT-23
    Voltage Regulator
    7%
    3
    5mA
    95Ω
    10µA
    3 x 1.4 x 1.1mm
    Nexperia
    Dual
    27V
    Surface Mount
    2
    300 mW
    SOT-23, TO-236AB
    General Purpose
    ±2%
    3
    2mA
    -
    0.05µA
    3 x 1.4 x 1mm
    Nexperia
    Single
    6V
    Surface Mount
    1
    550 mW
    SOD-323F
    General Purpose
    2%
    2
    5mA
    -
    3µA
    1.8 x 1.35 x 0.8mm
    DiodesZetex
    Single
    6.8V
    Surface Mount
    1
    350 mW
    SOT-23
    General Purpose
    5%
    3
    20mA
    3µA
    3 x 1.4 x 1.1mm
    Vishay
    Single
    3.3V
    Surface Mount
    1
    500 mW
    MicroMELF
    Voltage Regulator
    6%
    2
    5mA
    90Ω
    2µA
    2 x 1.2 x 1.2mm
    Vishay
    Single
    2.7V
    Through Hole
    1
    1.3 W
    DO-41
    General Purpose
    2%
    2
    80mA
    20Ω
    150µA
    2.6 (Dia.) x 4.1mm
    onsemi
    Single
    47V
    Through Hole
    1
    5 W
    CASE 017AA
    Voltage Regulator
    ±5%
    2
    -
    25Ω
    500nA
    3.68 (Dia.) x 8.89mm
    Vishay
    Single
    10V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    2%
    2
    5mA
    25Ω
    1µA
    1.7 (Dia.) x 3.9mm
    ROHM
    Single
    15V
    Surface Mount
    1
    200 mW
    SOD-323
    General Purpose
    -
    2
    5mA
    42Ω
    100nA
    1.7 x 1.25 x 0.7mm
    Nexperia
    Single
    3.9V
    Surface Mount
    1
    365 mW
    DFN1006BD-2
    Voltage Regulator
    -
    -
    -
    -
    -
    -
    onsemi
    Single
    91V
    Through Hole
    1
    3 W
    Case 59-10
    Voltage Regulator
    5%
    2
    4.1mA
    200Ω
    250nA
    2.7 (Dia.) x 5.2mm
    onsemi
    Single
    27V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    2mA
    80Ω
    50nA
    2.69 x 1.6 x 1.12mm
    Nexperia
    Single
    8.2V
    Surface Mount
    1
    300 mW
    SOD-523
    Voltage Regulator
    5%
    2
    5mA
    10Ω
    700nA
    1.25 x 0.85 x 0.65mm
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