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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

    Vishay
    Single
    4.7V
    Surface Mount
    1
    300 mW
    SOT-23
    -
    5%
    3
    5mA
    80Ω
    3µA
    3.1 x 1.43 x 1.05mm
    onsemi
    Single
    4.7V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    53mA
    10µA
    2.72 (Dia.) x 5.2mm
    Vishay
    Single
    36V
    Surface Mount
    1
    1.5 W
    SMB (DO-214AA)
    Voltage Regulator
    ±5%
    2
    -
    -
    -
    -
    Vishay
    Single
    15V
    Surface Mount
    1
    500 mW
    SOD-123
    Small Signal
    ±5%
    2
    8.5mA
    16Ω
    100nA
    2.85 x 0.45 x 1.25mm
    onsemi
    Single
    12V
    Through Hole
    1
    3 W
    DO-41
    Voltage Regulator
    5%
    2
    31.2mA
    550Ω
    1µA
    2.7 (Dia.) x 5.2mm
    Nexperia
    Single
    47V
    Surface Mount
    1
    500 mW
    MiniMELF
    Voltage Regulator
    5%
    2
    2mA
    170Ω
    50nA
    3.7 x 1.6 x 1.6mm
    ROHM
    Single
    5.8V
    Surface Mount
    1
    1 W
    SOD-106
    Voltage Regulator
    6%
    2
    40mA
    20µA
    4.5 x 2.6 x 1.9mm
    STMicroelectronics
    Single
    24V
    Through Hole
    1
    5 W
    R6
    -
    -
    2
    -
    -
    300µA
    9.1 (Dia.) x 9.1mm
    ROHM
    Single
    5.1V
    Surface Mount
    1
    200 mW
    SOD-323F
    Voltage Regulator
    2%
    2
    5mA
    80Ω
    2µA
    1.7 x 1.25 x 0.7mm
    onsemi
    Single
    12V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    30 Ω @ 20 mA, 600 Ω @ 0.25 mA
    1µA
    1.91 (Dia.) x 4.56mm
    Nexperia
    Single
    5.1V
    Surface Mount
    1
    250 mW
    SOT-23 (TO-236AB)
    Voltage Regulator
    5%
    3
    5mA
    60Ω
    2µA
    3 x 1.4 x 1mm
    onsemi
    Single
    3V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    1600 Ω @ 0.25 mA, 29 Ω @ 20 mA
    50µA
    1.91 (Dia.) x 4.56mm
    onsemi
    Single
    7.5V
    Surface Mount
    1
    500 mW
    SOD-523
    Voltage Regulator
    5%
    2
    5mA
    15Ω
    1µA
    1.3 x 0.9 x 0.7mm
    Vishay
    Single
    17.1V
    SMD
    1
    500 mW
    SOD-80
    Small Signal
    5%
    2
    -
    -
    -
    -
    onsemi
    Single
    6.8V
    Through Hole
    1
    5 W
    -
    Voltage Regulator
    5%
    2
    175mA
    10µA
    3.68 (Dia.) x 8.89mm
    Vishay
    Single
    800V
    Surface Mount
    -
    -
    DO-214AC
    Avalanche
    -
    2
    -
    -
    -
    -
    onsemi
    Single
    6.8V
    Surface Mount
    1
    550 mW
    SMB
    Voltage Regulator
    5%
    2
    55.1mA
    2.5Ω
    5µA
    4.32 x 3.56 x 2.13mm
    Vishay
    Single
    15V
    Through Hole
    -
    1.3 W
    DO-41 (DO-204AL)
    Silicon Planar
    ± 5%
    2
    -
    -
    -
    -
    Taiwan Semiconductor
    Single
    18V
    Through Hole
    1
    1 W
    DO-41
    Voltage Regulator
    5%
    2
    14mA
    20Ω
    5µA
    5.2 x 2.7 x 2.7mm
    DiodesZetex
    Single
    5.1V
    Surface Mount
    1
    200 mW
    SOD-323
    General Purpose
    5%
    2
    20mA
    17Ω
    5µA
    1.8 x 1.4 x 1.1mm
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