Lab

NPN Tranzistor as Switch V1.0

An interactive LED, transistor, resistor and switch circuit built in the DCACLab online simulator by Ado Ado. Open it to run the simulation and measure it.

Preview of NPN Tranzistor as Switch V1.0
Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

What's inside

  • 1× Battery
  • 2× Resistor
  • 1× LED
  • 1× Transistor
  • 3× Switch

Tags

Battery Switch Transistor Resistor LED

About

By Ado Ado
Saved November 18, 2016 · updated January 15, 2026
2,643 views
Page: dcaclab.com/circuits/11165-npn-tranzistor-as-switch-v1-dot-0

Embed this circuit

<iframe src="https://dcaclab.com/experiments/11165-npn-tranzistor-as-switch-v1-dot-0/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Ado, A. (2016). NPN Tranzistor as Switch V1.0. DCACLab. https://dcaclab.com/circuits/11165-npn-tranzistor-as-switch-v1-dot-0

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