| Equivalent | 2N591A | |
| Type | Transistor Germanium PNP | |
| Case | TO1 | |
| Manufacturer | Generic | |
| Vbr CEO | 32 | |
| Max. PD (W) | 50m | |
| Derate (Amb) (W/°C) | 2.8m | |
| hfe | 70 | |
| Ic Max. (A) | 20m | |
| Icbo Max. @Vcb Max. (A) | 6.5u | |
| Polarity | PNP | |
| Trans. Freq (Hz) Min. | 700k | |
| @VCE (test) (V) | 12 | |
| Oper. Temp (°C) Max. | 71 | |
| @Ic (A) | 2.0m | |
| Pinout Equivalence Number | 3-12 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 0.05 W | |
| Maximum Collector-Base Voltage |Vcb| | 32 V | |
| Maximum Collector-Emitter Voltage |Vce| | 32 V | |
| Maximum Collector Current |Ic max| | 0.02 A | |
| Max. Operating Junction Temperature (Tj) | 100 °C | |
| Transition Frequency (ft): | 0.2 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 70 | |
| SKU | 772543 | |