| BFQ73S Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO51 | |
| Manufacturer | Siemens Semiconductors | |
| Vbr CBO | 20 | |
| @Freq. (test) | 800M | |
| @Ic (A) | 50m | |
| @Ic (A) | 30m | |
| Mat. | Silicon Logic | |
| Noise Fig. | 3.0 | |
| Oper. Gain Typ (S21) | 15 | |
| f(osc) Max. (Hz) | 5.1G | |
| Polarity | NPN | |
| PD Max. (W) | 500m | |
| S11 Deg. (Typ) | 171 | |
| S11 Mag Typ. | 0.73 | |
| S22 Deg. Typ. | 133 | |
| S22 Mag Typ. | 0.14 | |
| @VDS (VCE) (test) (V) | 15 | |
| Coll. (or drain) Current Max. | 100m | |
| @Freq. (test) | 800M | |
| @VCE (test) | 5.0 | |
| Oper. Temp (°C) Max. | 175 | |
| Pinout Equivalence Number | N/A | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 0.5 W | |
| Maximum Collector-Base Voltage |Vcb| | 20 V | |
| Maximum Collector Current |Ic max| | 0.09 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Transition Frequency (ft): | 5000 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 25 | |
| SMD Transistor Code | 73S | |
| SKU | 736300 | |