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The NPN transistor

The NPN transistor

Item no.: P1383100

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A demonstration is to show that a current can only flow from the emitter to the collector of a npn-transistor when the base is connected to the positive terminal of a direct current source, so that the blocking effect of the base-emitter barrier layer is overcome.


  • No additional cable connections between the building blocks needed - clear arragned and quick setup
  • Contact saftey due to puzzle blocks system
  • Corrosion-free gold plated contacts
  • Doubled earning sucess: Electric circuit diagram on top, real components can be seen unterside

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