| Part Number | FQU1N50TU | FQU4N50TU |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single |
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| Product Status | Obsolete | Obsolete |
| FET Type | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 1.1A (Tc) | 2.6A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V |
| Rds On (Max) @ Id, Vgs | 9Ohm @ 550mA, 10V | 2.7Ohm @ 1.3A, 10V |
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 5.5 nC @ 10 V | 13 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 150 pF @ 25 V | 460 pF @ 25 V |
| FET Feature | - | - |
| Power Dissipation (Max) | 2.5W (Ta), 25W (Tc) | 2.5W (Ta), 45W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Supplier Device Package | I-PAK | I-PAK |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA |