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  2. Avalanche breakdown - Wikipedia

    en.wikipedia.org/wiki/Avalanche_breakdown

    Avalanche breakdown (or the avalanche effect) is a phenomenon that can occur in both insulating and semiconducting materials. It is a form of electric current multiplication that can allow very large currents within materials which are otherwise good insulators. It is a type of electron avalanche.

  3. Power MOSFET - Wikipedia

    en.wikipedia.org/wiki/Power_MOSFET

    NXP 7030AL - N-channel TrenchMOS logic level FET IRF640 Power Mosfet die. The power MOSFET is the most widely used power semiconductor device in the world. [3] As of 2010, the power MOSFET accounts for 53% of the power transistor market, ahead of the insulated-gate bipolar transistor (27%), RF power amplifier (11%) and bipolar junction transistor (9%). [24]

  4. Avalanche transistor - Wikipedia

    en.wikipedia.org/wiki/Avalanche_transistor

    The first paper dealing with avalanche transistors was Ebers & Miller (1955).The paper describes how to use alloy-junction transistors in the avalanche breakdown region in order to overcome speed and breakdown voltage limitations which affected the first models of such kind of transistor when used in earlier computer digital circuits.

  5. Safe operating area - Wikipedia

    en.wikipedia.org/wiki/Safe_operating_area

    For a device that makes use of the secondary breakdown effect see Avalanche transistor. Secondary breakdown is a failure mode in bipolar power transistors. In a power transistor with a large junction area, under certain conditions of current and voltage, the current concentrates in a small spot of the base-emitter junction.

  6. Transient-voltage-suppression diode - Wikipedia

    en.wikipedia.org/wiki/Transient-voltage...

    A unidirectional device operates as a rectifier in the forward direction like any other avalanche diode, but is made and tested to handle very large peak currents. A bidirectional transient-voltage-suppression diode can be represented by two mutually opposing avalanche diodes in series with one another and connected in parallel with the circuit ...

  7. Avalanche diode - Wikipedia

    en.wikipedia.org/wiki/Avalanche_diode

    In electronics, an avalanche diode is a diode (made from silicon or other semiconductor) that is designed to experience avalanche breakdown at a specified reverse bias voltage. The junction of an avalanche diode is designed to prevent current concentration and resulting hot spots, so that the diode is undamaged by the breakdown.

  8. VMOS - Wikipedia

    en.wikipedia.org/wiki/VMOS

    The VMOS was invented by Hitachi in 1969, [11] when they introduced the first vertical power MOSFET in Japan. [12] T. J. Rodgers, while he was a student at Stanford University, filed a US patent for a VMOS in 1973. [13] Siliconix commercially introduced a VMOS in 1975. [11] The VMOS later developed into what became known as the vertical DMOS . [14]

  9. Snapback (electrical) - Wikipedia

    en.wikipedia.org/wiki/Snapback_(electrical)

    Snapback is a mechanism in a bipolar transistor in which avalanche breakdown or impact ionization provides a sufficient base current to turn on the transistor. It is used intentionally in the design of certain ESD protection devices integrated onto semiconductor chips.

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