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| Part Number | FQT4N20TF | FQT4N25TF | FQT4N20LTF |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi |
| Product Status | Obsolete | Last Time Buy | Active |
| FET Type | N-Channel | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 200 V | 250 V | 200 V |
| Current - Continuous Drain (Id) @ 25°C | 850mA (Tc) | 830mA (Tc) | 850mA (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 5V, 10V |
| Rds On (Max) @ Id, Vgs | 1.4Ohm @ 425mA, 10V | 1.75Ohm @ 415mA, 10V | 1.35Ohm @ 425mA, 10V |
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA | 2V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 6.5 nC @ 10 V | 5.6 nC @ 10 V | 5.2 nC @ 5 V |
| Vgs (Max) | ±30V | ±30V | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 220 pF @ 25 V | 200 pF @ 25 V | 310 pF @ 25 V |
| FET Feature | - | - | - |
| Power Dissipation (Max) | 2.2W (Tc) | 2.5W (Tc) | 2.2W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | SOT-223-4 | SOT-223-4 | SOT-223-4 |
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA |
