| Equivalent | 2SD648 | |
| Type | Transistor Silicon NPN | |
| Case | TO3A-1 | |
| Manufacturer | Toshiba | |
| Vbr CEO | 300 | |
| Max. PD (W) | 2.5k | |
| t(f) Max. (S) | 3.0u | |
| Min hFE | 100 | |
| Ic Max. (A) | 400 | |
| @Ic (test) (A) | 400 | |
| Icbo Max. @Vcb Max. (A) | 10m | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| Tr Max. (s) | 3.0u | |
| R(sat) (Û) | 6.3m | |
| t(stor) Max. (S) | 13u | |
| Derate Above 25°C | 25 | |
| Trans. Freq (Hz) Min. | 300k | |
| @VCE (test) | 5.0 | |
| Oper. Temp (°C) Max. | 125 | |
| Pinout Equivalence Number | 3-14 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 2500 W | |
| Maximum Collector-Base Voltage |Vcb| | 300 V | |
| Maximum Collector-Emitter Voltage |Vce| | 300 V | |
| Maximum Emitter-Base Voltage |Veb| | 4 V | |
| Maximum Collector Current |Ic max| | 400 A | |
| Max. Operating Junction Temperature (Tj) | 125 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 100 | |
| SKU | 760202 | |