| Manufacturer | Part Number | Description |
|---|---|---|
Savantic
| D1554 | Silicon NPN Power Transistors |
Wing Shing Computer Components
| D1554 | NPN Triple Diffused Planar Silicon Transistor |
Inchange Semiconductor
| 2SD1554 | NPN Transistor |
|
Savantic
| 2SD1554 | Silicon NPN Power Transistors |
SamHop Microelectronics
| STD1554 | N-Channel Enhancement Mode Field Effect Transistor |
| Unknown Manufacturer | 2SD1554 | NPN Transistor |
