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| Part Number | FQU8N25TU | FQU9N25TU | FQU4N25TU | FQU6N25TU |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| FET Type | N-Channel | N-Channel | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 250 V | 250 V | 250 V | 250 V |
| Current - Continuous Drain (Id) @ 25°C | 6.2A (Tc) | 7.4A (Tc) | 3A (Tc) | 4.4A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 10V | 10V |
| Rds On (Max) @ Id, Vgs | 550mOhm @ 3.1A, 10V | 420mOhm @ 3.7A, 10V | 1.75Ohm @ 1.5A, 10V | 1Ohm @ 2.2A, 10V |
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA | 5V @ 250µA | 5V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 15 nC @ 10 V | 20 nC @ 10 V | 5.6 nC @ 10 V | 8.5 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V | ±30V | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 530 pF @ 25 V | 700 pF @ 25 V | 200 pF @ 25 V | 300 pF @ 25 V |
| FET Feature | - | - | - | - |
| Power Dissipation (Max) | 2.5W (Ta), 50W (Tc) | 2.5W (Ta), 55W (Tc) | 2.5W (Ta), 37W (Tc) | 2.5W (Ta), 45W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | I-PAK | I-PAK | I-PAK | I-PAK |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA |
