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| Part Number | IRFS450B | IRFS250B |
|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor |
| Product Status | Not For New Designs | Active |
| FET Type | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V | 200 V |
| Current - Continuous Drain (Id) @ 25°C | 9.6A (Tc) | 21.3A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V |
| Rds On (Max) @ Id, Vgs | 390mOhm @ 4.8A, 10V | 85mOhm @ 10.65A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 113 nC @ 10 V | 123 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 3800 pF @ 25 V | 3400 pF @ 25 V |
| FET Feature | - | - |
| Power Dissipation (Max) | 96W (Tc) | 90W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Supplier Device Package | TO-3PF | TO-3PF |
| Package / Case | TO-3P-3 Full Pack | TO-3P-3 Full Pack |
