2N3903,2N3905,2N4401,2N4403 TO-92 Transistor pinouts
Here's a very common plastic package; the TO-92. Beware, not all parts in TO-92 share this pinout.
Here are some that do:
2N3903, 2N3904, 2N3905, 2N3906 2N4400, 2N4401, 2N4402, 2N4403

2N3903,2N3905,2N4401,2N4403 TO-92 Transistor pinouts
Here's a very common plastic package; the TO-92. Beware, not all parts in TO-92 share this pinout.
Here are some that do:
2N3903, 2N3904, 2N3905, 2N3906 2N4400, 2N4401, 2N4402, 2N4403
