| Manufacturer | Part Number | Description |
|---|---|---|
MLS Microelectronics |
2SC4003 | NPN Transistors |
SANYO (now Panasonic) |
C4003 | 2SC4003 |
Galaxy Microelectronics |
2SC4003 | NPN Epitaxial Planar Silicon Transistor |
| 2SC4003 | Silicon NPN Power Transistor | |
TRANSYS |
2SC4003 | Plastic-Encapsulated Transistors |
Kexin Semiconductor |
2SC4003 | NPN Triple Diffused Planar Silicon Transistor |
LGE |
2SC4003 | NPN Transistor |
| 2SC4003 | Silicon NPN Transistor |