| 2SD859 Datasheet |
| Equivalent | 2SD859B | |
| Type | Transistor Silicon NPN | |
| Case | SOT78 | |
| Manufacturer | Matsushita Electronics | |
| Vbr CBO | 350 | |
| Vbr CEO | 250 | |
| Max. PD (W) | 35 | |
| Max. hFE | 250 | |
| Min hFE | 40 | |
| Ic Max. (A) | 700m | |
| @Ic (test) (A) | 300m | |
| Icbo Max. @Vcb Max. (A) | 1.0m | |
| Polarity | NPN | |
| Tr Max. (s) | 2.2u | |
| Derate Above 25°C | 280m | |
| Oper. Temp (°C) Max. | 140 | |
| @VCE (V) | 10 | |
| Pinout Equivalence Number | 3-15 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 35 W | |
| Maximum Collector-Base Voltage |Vcb| | 350 V | |
| Maximum Collector-Emitter Voltage |Vce| | 250 V | |
| Maximum Emitter-Base Voltage |Veb| | 5 V | |
| Maximum Collector Current |Ic max| | 0.75 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 40 | |
| SKU | 395694 | |