| 2SD1939 Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO92 | |
| Manufacturer | NEC | |
| Vbr CEO | 80 | |
| Max. PD (W) | 750m | |
| t(f) Max. (S) | 1.0u- | |
| Max. hFE | 30k | |
| Min hFE | 2.0k | |
| Ic Max. (A) | 1.5 | |
| @Ic (test) (A) | 1.0 | |
| Icbo Max. @Vcb Max. (A) | 10u | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| Tr Max. (s) | 500n- | |
| t(stor) Max. (S) | 1.0u- | |
| Trans. Freq (Hz) Min. | 60M | |
| @VCE (test) | 2.0 | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | 3-10 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 0.75 W | |
| Maximum Collector-Base Voltage |Vcb| | 150 V | |
| Maximum Collector-Emitter Voltage |Vce| | 60 V | |
| Maximum Collector Current |Ic max| | 1.5 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 6000 | |
| SKU | 345720 | |