NPN Transistor: 2N2222
Price:
$0.42
The most common of all transistors, the NPN 2N2222. Give a voltage on the center pin and the other 2 pins become connected.
The most common of all transistors for hobby electronic projects. This is the standard NPN transistor which acts as a basic switch. Apply a voltage to the center pin and the other 2 pins will be "internally connected".
Rated Voltage: 40V
Rated Current: 0.6A (600mA)