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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
    9.1V
    Through Hole
    1
    1.3 W
    DO-41
    General Purpose
    2%
    2
    25mA
    1µA
    2.6 (Dia.) x 4.1mm
    Vishay
    Single
    15V
    Through Hole
    1
    1.3 W
    DO-41
    Voltage Regulator
    2%
    2
    15mA
    <15Ω
    <500nA
    2.6 (Dia.) x 4.1mm
    onsemi
    Single
    36V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    30mA
    11Ω
    500nA
    8.89 x 3.68 x 3.68mm
    onsemi
    Single
    6.33V
    Surface Mount
    1
    300 mW
    SOD-323
    Voltage Regulator
    ±2%
    2
    5mA
    10 Ω @ 5 mA, 100 Ω @ 0.5 mA
    3µA
    1.8 x 1.35 x 1mm
    Vishay
    Single
    -
    Through Hole
    1
    -
    SOD-64
    Avalanche
    -
    2
    -
    -
    50µA
    4.3 (Dia.). x 4mm
    ROHM
    Single
    8.4V
    Surface Mount
    1
    1 W
    SOD-123FL
    Voltage Regulator
    -
    2
    40mA
    -
    20µA
    2.7 x 1.7 x 0.9mm
    onsemi
    Single
    47V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    2.7mA
    105Ω
    100nA
    2.69 x 1.6 x 1.12mm
    onsemi
    Single
    4.7V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    53mA
    10µA
    2.72 (Dia.) x 5.2mm
    ROHM
    Single
    19.15V
    Surface Mount
    1
    1 W
    DO-214AA (SMB)
    Voltage Regulator
    ±6%
    2
    -
    -
    -
    -
    onsemi
    Single
    100V
    Through Hole
    1
    5 W
    Surmetic 40
    Voltage Regulator
    5%
    2
    12mA
    800Ω
    500nA
    3.68 (Dia.) x 8.89mm
    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
    Vishay
    Single
    15V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    6%
    2
    5mA
    110Ω
    2µA
    1.7 (Dia.) x 3.9mm
    ROHM
    Single
    15V
    Surface Mount
    1
    250 mW
    SOT-23
    Voltage Regulator
    -
    3
    -
    -
    -
    -
    Vishay
    Single
    3.9V
    Through Hole
    1
    1.3 W
    DO-41
    General Purpose
    5%
    2
    60mA
    15Ω
    10µA
    2.6 (Dia.) x 4.1mm
    ROHM
    Single
    5.1V
    Surface Mount
    1
    150 mW
    SOD-523
    Voltage Regulator
    -
    2
    5mA
    500Ω
    2µA
    1.25 x 0.85 x 0.7mm
    Vishay
    Single
    10V
    Surface Mount
    1
    500 mW
    SOD-123
    Small Signal
    ±5%
    2
    20mA
    17Ω
    3µA
    2.85 x 0.45 x 1.25mm
    onsemi
    Single
    5.6V
    Surface Mount
    1
    550 mW
    SMB
    Voltage Regulator
    5%
    2
    66.9mA
    5µA
    4.32 x 3.56 x 2.13mm
    ROHM
    Single
    3.4V
    Surface Mount
    1
    1 W
    SOD-123FL
    Voltage Regulator
    -
    2
    40mA
    -
    100µA
    2.7 x 1.7 x 0.9mm
    ROHM
    Single
    12.12V
    Surface Mount
    1
    500 mW
    SOD-323FL
    Voltage Regulator
    -
    2
    10mA
    12Ω
    200nA
    1.8 x 1.35 x 0.9mm
    Vishay
    Single
    6.2V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    6%
    2
    5mA
    200Ω
    2µA
    1.7 (Dia.) x 3.9mm
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