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  2. KT315 - Wikipedia

    en.wikipedia.org/wiki/KT315

    KT315b transistors. The KT315 is a Soviet silicon NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications, enclosed in the plastic KT-13 package. It was widely used in Soviet electronic equipment. The KT361 is a complementary for the KT315 transistor, so it was often paired with it in push-pull ...

  3. Transistor diode model - Wikipedia

    en.wikipedia.org/wiki/Transistor_diode_model

    September 2020) (Learn how and when to remove this message) ( Learn how and when to remove this message ) In a diode model two diodes are connected back-to-back to make a PNP or NPN bipolar junction transistor (BJT) equivalent.

  4. 2N3904 - Wikipedia

    en.wikipedia.org/wiki/2N3904

    The 2N3904 is a common NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications. [1] [2] [3] It is designed for low current and power, medium voltage, and can operate at moderately high speeds. It is complementary to the 2N3906 PNP transistor. Both types were registered by Motorola Semiconductor in ...

  5. Common collector - Wikipedia

    en.wikipedia.org/wiki/Common_collector

    Figure 1: Basic NPN common collector circuit (neglecting biasing details). In electronics, a common collector amplifier (also known as an emitter follower) is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a voltage buffer.

  6. File:Transistor Simple Circuit Diagram with NPN Labels.svg

    en.wikipedia.org/wiki/File:Transistor_Simple...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts

  7. 2N3055 - Wikipedia

    en.wikipedia.org/wiki/2N3055

    The 2N3055 is a silicon NPN power transistor intended for general purpose applications. It was introduced in the early 1960s by RCA using a hometaxial power transistor process, transitioned to an epitaxial base in the mid-1970s. [1] Its numbering follows the JEDEC standard. [2] It is a transistor type of enduring popularity. [3] [4] [5]

  8. 2N2222 - Wikipedia

    en.wikipedia.org/wiki/2N2222

    The 2N3904 is an NPN transistor that can only switch one-third the current of the 2N2222 but has otherwise similar characteristics. The 2N3904 exhibits its forward gain (beta) peak at a lower current than the 2N2222, and is useful in amplifier applications with reduced I c , e.g., (gain peak at 10 mA for the 2N3904 but 150 mA for the 2N2222).

  9. Diode–transistor logic - Wikipedia

    en.wikipedia.org/wiki/Diode–transistor_logic

    Diode–transistor logic (DTL) is a class of digital circuits that is the direct ancestor of transistortransistor logic. It is called so because the logic gating functions AND and OR are performed by diode logic , while logical inversion (NOT) and amplification (providing signal restoration) is performed by a transistor (in contrast with ...