| Manufacturer | Part Number | Description |
|---|---|---|
| 2SC3972 | Silicon NPN Transistor | |
SavantIC
| 2SC3972A | SILICON POWER TRANSISTOR |
SavantIC
| 2SC3972 | SILICON POWER TRANSISTOR |
Unitrode
| UCC3972 | BiCMOS Cold Cathode Fluorescent Lamp Driver Controller |
Panasonic
| C3972 | Silicon NPN Transistor |
| 2SC3972A | Silicon NPN Transistor | |
Inchange Semiconductor
| 2SC3972 | NPN Transistor |