| Manufacturer | Part Number | Description |
|---|---|---|
Panasonic |
C3940 | Silicon NPN Transistor |
| C3940A | 2SC3940A | |
Fairchild (now onsemi) |
MANC3940 | 7.6mm 0.3 inch COMPACT NUMERIC FRAME DISPLAY |
| 2SC3940 | Silicon NPN Transistor | |
| 2SC3940A | Silicon NPN Transistor |