| Equivalent | CG125 | |
| Type | Transistor Silicon NPN | |
| Case | MICRO-X | |
| Manufacturer | Signetics | |
| Vbr CBO | 20 | |
| @Ic (A) | 4.0m | |
| Mat. | Silicon Logic | |
| Noise Fig. | 3.0 | |
| Oper. Gain Typ (S21) | 13 | |
| Oper. Pwr Out Typ. | 20m | |
| f(osc) Max. (Hz) | 2.0G | |
| Polarity | NPN | |
| PD Max. (W) | 200m | |
| Coll. (or drain) Current Max. | 20m | |
| @Freq. (test) | 2.0G | |
| @VCE (test) | 10 | |
| Oper. Temp (°C) Max. | 175 | |
| Pinout Equivalence Number | 4-32 | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 0.2 W | |
| Maximum Collector-Emitter Voltage |Vce| | 20 V | |
| Maximum Collector Current |Ic max| | 0.02 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Transition Frequency (ft): | 2000 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 13 | |
| SKU | 1293736 | |