Transistor models

Okay kiddo, imagine you have a toy car that you want to control using a remote control. The remote control has a button that you press to make the car move forward or stop. But how does the button work?

Well, inside the remote control there is a little device called a transistor that acts like a traffic cop for electricity. It lets electricity flow from one place to another or stops it, just like a traffic cop lets cars go or stops them.

But not all transistors are the same, just like not all traffic cops are the same. Some transistors are better at letting electricity through, while others are better at stopping it. That's why we have different transistor models, like the BJT or MOSFET.

These models have different features that make them better suited for different jobs. For example, the MOSFET transistor model is good at handling high voltages and currents, while the BJT model is better for amplifying signals.

So, just like you choose a toy car with the right features for what you want it to do, engineers choose the right transistor model for the job they need it to do. And that's how transistor models work, in a very simplified way.