| Equivalent | 2SB73 | |
| Type | Transistor Germanium PNP | |
| Case | TO1 | |
| Manufacturer | Hitachi | |
| Vbr CBO | 10 | |
| Max. PD (W) | 50m | |
| hfe | 80 | |
| Ic Max. (A) | 2.0m | |
| Icbo Max. @Vcb Max. (A) | 7.0u | |
| Polarity | PNP | |
| Trans. Freq (Hz) Min. | 2.0M | |
| @VCE (test) (V) | 4.0 | |
| @Ic (A) | .50m | |
| Pinout Equivalence Number | N/A | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 0.05 W | |
| Maximum Collector-Base Voltage |Vcb| | 10 V | |
| Maximum Emitter-Base Voltage |Veb| | 10 V | |
| Maximum Collector Current |Ic max| | 0.002 A | |
| Max. Operating Junction Temperature (Tj) | 85 °C | |
| Transition Frequency (ft): | 1.2 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 140 | |
| SKU | 542458 | |