| 2SD1478A Datasheet |
| Type | Transistor Silicon NPN | |
| Case | SOT23 | |
| Manufacturer | Panasonic | |
| Vbr CEO | 50 | |
| Max. PD (W) | 200 | |
| Max. hFE | 20k | |
| Min hFE | 2.0k | |
| Ic Max. (A) | 500m | |
| @Ic (test) (A) | 500m | |
| Icbo Max. @Vcb Max. (A) | 100n | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| Derate Above 25°C | 2.0m | |
| @VCE (test) | 10 | |
| Oper. Temp (°C) Max. | 125 | |
| Pinout Equivalence Number | 3-12 | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 1 W | |
| Maximum Collector-Base Voltage |Vcb| | 30 V | |
| Maximum Collector Current |Ic max| | 0.5 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 15000 | |
| SKU | 345489 | |