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  2. Zener diode - Wikipedia

    en.wikipedia.org/wiki/Zener_diode

    A Zener diode is a special type of diode designed to reliably allow current to flow "backwards" (inverted polarity) when a certain set reverse voltage, known as the Zener voltage, is reached. Zener diodes are manufactured with a great variety of Zener voltages and some are even variable.

  3. Zener effect - Wikipedia

    en.wikipedia.org/wiki/Zener_effect

    In electronics, the Zener effect (employed most notably in the appropriately named Zener diode) is a type of electrical breakdown, discovered by Clarence Melvin Zener. It occurs in a reverse biased p-n diode when the electric field enables tunneling of electrons from the valence to the conduction band of a semiconductor , leading to numerous ...

  4. Avalanche breakdown - Wikipedia

    en.wikipedia.org/wiki/Avalanche_breakdown

    These diodes can indefinitely sustain a moderate level of current during breakdown. The voltage at which the breakdown occurs is called the breakdown voltage . There is a hysteresis effect; once avalanche breakdown has occurred, the material will continue to conduct even if the voltage across it drops below the breakdown voltage.

  5. Diode - Wikipedia

    en.wikipedia.org/wiki/Diode

    In the Zener diode, the concept of PIV is not applicable. A Zener diode contains a heavily doped p–n junction allowing electrons to tunnel from the valence band of the p-type material to the conduction band of the n-type material, such that the reverse voltage is "clamped" to a known value (called the Zener voltage), and avalanche does not ...

  6. LTZ1000 - Wikipedia

    en.wikipedia.org/wiki/LTZ1000

    The LTZ1000 is a high-precision, ultra-stable Zener diode voltage reference originally developed by Carl Nelson for Linear Technology (now Analog Devices). It consists of a Zener reference packaged along with an integrated heater and temperature sensor designed to hold the device at a constant temperature for improved stability. [1] [2]

  7. Parent 'saw red' after disabled students turned away from ...

    www.aol.com/news/protest-set-md-cracker-barrel...

    "I can't put into words how I felt − anger, sadness and worry," parent Dustin Reed said about the incident at a Cracker Barrel in Waldorf, Maryland.

  8. Police illegally sell restricted weapons, supplying crime

    www.aol.com/police-illegally-sell-restricted...

    A CBS News investigation found dozens of law enforcement leaders — sheriffs, captains, lieutenants, chiefs of police — buying and illegally selling firearms, even weapons of war, across 23 U.S ...

  9. Zener - Wikipedia

    en.wikipedia.org/wiki/Zener

    Zener can refer to: . Zener diode, a type of electronic diode; Zener effect, a type of electrical breakdown which is employed in a Zener diode; Zener pinning, the influence of a dispersion of fine particles on the movement of low- and high angle grain boundaries through a polycrystalline material