Transistor schematic symbols of electronic circuit – NPN, PNP, Darlington, JFET-N, JFET-P, NMOS, PMOS.
Table of transistor symbols
| Symbol | Name | Description |
 | NPN Bipolar Transistor | Allows current flow when high potential at base (middle) |
 | PNP Bipolar Transistor | Allows current flow when low potential at base (middle) |
 | Darlington Transistor | Made from 2 bipolar transistors. Has total gain of the product of each gain. |
 | JFET-N Transistor | N-channel field effect transistor |
 | JFET-P Transistor | P-channel field effect transistor |
 | NMOS Transistor | N-channel MOSFET transistor |
 | PMOS Transistor | P-channel MOSFET transistor |