| 2SC4491 Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO92 | |
| Manufacturer | Sanyo Semiconductor | |
| Vbr CEO | 50 | |
| Max. PD (W) | 1.0 | |
| t(f) Max. (S) | 400n- | |
| Max. hFE | 5.0k- | |
| Min hFE | 1.0k | |
| Ic Max. (A) | 1.2 | |
| @Ic (test) (A) | 500m | |
| Icbo Max. @Vcb Max. (A) | 10u | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| t(stor) Max. (S) | 2.2u- | |
| @VCE (test) | 5.0 | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | 3-10 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 1 W | |
| Maximum Collector-Base Voltage |Vcb| | 60 V | |
| Maximum Collector Current |Ic max| | 1.2 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 1000 | |
| SKU | 344573 | |