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  2. Bipolar junction transistor - Wikipedia

    en.wikipedia.org/wiki/Bipolar_junction_transistor

    BJTs PNP and NPN schematic symbols 3D model of a TO-92 package, commonly used for small bipolar transistors A bipolar junction transistor ( BJT ) is a type of transistor that uses both electrons and electron holes as charge carriers .

  3. File:Ebers-Moll model schematic (PNP).svg - Wikipedia

    en.wikipedia.org/wiki/File:Ebers-Moll_model...

    A schematic diagram of the Ebers-Moll models of a PNP BJT. The base, collector and emitter currents are I B, I C and I E, the common-base forward and reverse current gains are α F and α R, and the collector and emitter diode currents are I CD and I ED. Date: 4 August 2010, 05:26 (UTC) Source: Ebers-Moll_Model_PNP.PNG; Author

  4. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These symbols are largely standardized internationally today, but may vary from country to country, or engineering ...

  5. p–n junction - Wikipedia

    en.wikipedia.org/wiki/P–n_junction

    p–n junctions represent the simplest case of a semiconductor electronic device; a p-n junction by itself, when connected on both sides to a circuit, is a diode. More complex circuit components can be created by further combinations of p-type and n-type semiconductors; for example, the bipolar junction transistor (BJT) is a semiconductor in ...

  6. File:BJT PNP symbol.svg - Wikipedia

    en.wikipedia.org/wiki/File:BJT_PNP_symbol.svg

    This W3C-unspecified circuit diagram was created with the Electrical Symbols Library. Captions. English. ... Description= PNP transistor symbol without case ...

  7. File:BJT PNP symbol (case).svg - Wikipedia

    en.wikipedia.org/wiki/File:BJT_PNP_symbol_(case).svg

    PNP transistor symbol with case (IEEE 315). Note: A little confusing on the BJT page, ... This circuit diagram was created with the Electrical Symbols Library by v.

  8. Insulated-gate bipolar transistor - Wikipedia

    en.wikipedia.org/wiki/Insulated-gate_bipolar...

    An IGBT cell is constructed similarly to an n-channel vertical-construction power MOSFET, except the n+ drain is replaced with a p+ collector layer, thus forming a vertical PNP bipolar junction transistor. This additional p+ region creates a cascade connection of a PNP bipolar junction transistor with the surface n-channel MOSFET. The whole ...

  9. Open collector - Wikipedia

    en.wikipedia.org/wiki/Open_collector

    Schematic symbol for a buffer with open-collector output [6] Open output is indicated on schematics with these IEEE symbols: [7] ⎐ – NPN open collector or similar output that can supply a relatively low-impedance low voltage when not turned off. Requires external pullup. Capable of positive-logic wired-AND connection.