| Part Number | SI3447DV | SI3457DV |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single |
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| Product Status | Active | Active |
| FET Type | P-Channel | P-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 20 V | 30 V |
| Current - Continuous Drain (Id) @ 25°C | 5.5A (Ta) | 4A (Ta) |
| Drive Voltage (Max Rds On, Min Rds On) | 1.8V, 4.5V | 4.5V, 10V |
| Rds On (Max) @ Id, Vgs | 33mOhm @ 5.5A, 4.5V | 50mOhm @ 4A, 10V |
| Vgs(th) (Max) @ Id | 1.5V @ 250µA | 3V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 30 nC @ 4.5 V | 8.1 nC @ 5 V |
| Vgs (Max) | ±8V | ±25V |
| Input Capacitance (Ciss) (Max) @ Vds | 1926 pF @ 10 V | 470 pF @ 25 V |
| FET Feature | - | - |
| Power Dissipation (Max) | 800mW (Ta) | 1.6W (Ta) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Supplier Device Package | SuperSOT™-6 | SuperSOT™-6 |
| Package / Case | SOT-23-6 Thin, TSOT-23-6 | SOT-23-6 Thin, TSOT-23-6 |