| Manufacturer | Part Number | Description |
|---|---|---|
SANYO (now Panasonic) |
C4555 | 2SC4555 |
Galaxy Microelectronics |
2SC4555 | NPN Silicon Transistor |
Kexin Semiconductor |
2SC4555 | NPN Epitaxial Planar Silicon Transistor |
| 2SC4555 | PNP/NPN Epitaxial Planar Silicon Transistor |