Transistor NPN 2n2222 TO-92

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These transistors are electronic components ideal for switching circuits and can also be used as an amplifier.


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Overview


The transistor is a circuit element that can be used as an electrically operated switch. It is made of semiconductor materials, has three terminals and can interrupt or close the circuit between two terminals depending on the command applied to the control pin.


Use with Arduino


There are two common types of transistors: bipolar and field-effect


bipolar transistors


The picture shows the symbol bipolar transistor (left) and an illustration of a universal transistor (right). There are two types of transistors: NPN and PNP (depending on the type of semiconductor material). Its terminals are: B - Base C - Collector E - Emitor


MOS transistors


The base will be used to control the transistor. Initially, this will not stream (between C and E). If the voltage base-emitter opening exceeds a threshold (about 0.65 V), it will absorb the current through the base and it will let through (almost) freely between C and E. The image shows the symbols equivalent field effect transistor (FET - Field Effect Transistor). They work in the same way with one exception: they do not absorb energy when they are constantly open (as opposed to bipolar transistor). Switches faster, but their disadvantage is the fact that the command requires a higher voltage applied to the gate (Gate) - 1.8 ~ 10V.


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Reviews

Grade 
08/20/2021

Wow!

Very well packaged and secure packaging. Bought bunch of these, tested some and they work great

    Grade 
    07/24/2021

    Perfect

    Works perfectly as advertised. I used them to power led light strips with my 3D printer.

      Grade 
      07/13/2021

      General purpose npn.

      Must have in electronic tool box. General purpose npn transistor projects.

        Grade 
        06/26/2021

        Efficiency and good value

        Needed for my profession and hobby

          Grade 
          06/24/2021

          These work fine

          I'm using one on a project right now. They are simple transistors and seem to be doing the job fine. I'm using them with a gate voltage of 5 volts and a 4.7k ohm resistor on the gate.

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            Transistor NPN 2n2222 TO-92

            Transistor NPN 2n2222 TO-92

            These transistors are electronic components ideal for switching circuits and can also be used as an amplifier.


            See Description for more details about the product.

            Add to cart now!

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