| Equivalent | PZTA42-SMD | |
| Type | Transistor Silicon NPN | |
| Case | SOT223 | |
| Manufacturer | Fairchild Semiconductor | |
| Vbr CBO | 300 | |
| Vbr CEO | 300 | |
| Max. PD (W) | 1.5 | |
| Min hFE | 40- | |
| Ic Max. (A) | 500m | |
| @Ic (test) (A) | 10m | |
| Icbo Max. @Vcb Max. (A) | 100n | |
| Polarity | NPN | |
| Trans. Freq (Hz) Min. | 50M | |
| Oper. Temp (°C) Max. | 140 | |
| @VCE (V) | 10 | |
| Pinout Equivalence Number | 4-105 | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 1.5 W | |
| Maximum Collector-Emitter Voltage |Vce| | 300 V | |
| Maximum Collector Current |Ic max| | 0.5 A | |
| Transition Frequency (ft): | 50 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 40 | |
| SMD Transistor Code | A42_P1D | |
| SKU | 279190 | |