| 2SD1998 Datasheet |
| Type | Transistor Silicon NPN Darlington + Diode | |
| Case | SOT89 | |
| Manufacturer | Sanyo Semiconductor | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| Mat. Struct. | NPN | |
| Pinout Equivalence Number | 3-10 | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 10 W | |
| Maximum Collector-Base Voltage |Vcb| | 40 V | |
| Maximum Collector Current |Ic max| | 3 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 150 | |
| SMD Transistor Code | D_DM | |
| SKU | 345752 | |