| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 213 | DF | FIELD EFFECT DEVICE {6} |
| 288 | DF | .~ Having insulated electrode (e.g., MOSFET, MOS diode) {17} |
| 368 | DF | .~.~ Insulated gate field effect transistor in integrated circuit {10} |
| 379 | DF | .~.~.~ Combined with passive components (e.g., resistors) {2} |
| 380 | | .~.~.~.~ Polysilicon resistor |