| 2SA1728 Datasheet |
| Type | Transistor Silicon PNP | |
| Case | SOT23 | |
| Manufacturer | Sanyo Semiconductor | |
| Vbr CBO | 50 | |
| Vbr CEO | 40 | |
| Max. PD (W) | 200m | |
| C(ob) (F) | 6.0p | |
| t(f) Max. (S) | 320n | |
| hfe | 70 | |
| Ic Max. (A) | 500m | |
| Icbo Max. @Vcb Max. (A) | 500n | |
| Polarity | PNP | |
| t(stor) Max. (S) | 220n | |
| Trans. Freq (Hz) Min. | 350M | |
| @VCE (test) (V) | 2.0 | |
| Oper. Temp (°C) Max. | 150 | |
| @Ic (A) | 50m | |
| Pinout Equivalence Number | 3-15 | |
| Surface Mounted Yes/No | YES | |
| Maximum Collector Power Dissipation (Pc) | 0.3 W | |
| Maximum Collector-Base Voltage |Vcb| | 50 V | |
| Maximum Collector Current |Ic max| | 0.5 A | |
| Max. Operating Junction Temperature (Tj) | 135 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 200 | |
| SMD Transistor Code | DS3_DS4_DS5 | |
| SKU | 343105 | |