INTERMEDIATE ยท CURATED EXAMPLE

NPN transistor switch

Use a base resistor to control an LED load.

Preview of the NPN transistor switch circuit
Preview of the reviewed circuit. Open it in Circuit Lab to inspect and modify it.
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What to inspect

Run the simulation, select the relevant component and compare voltage, current and power. Change one parameter at a time, then check the oscilloscope or Engineering tools when useful.

Use it as a starting point

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