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| Part Number | IRFS840B | IRFS820B | IRFS830B |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Active | Active | Active |
| FET Type | N-Channel | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V | 500 V | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 8A (Tc) | 2.5A (Tj) | 4.5A (Tj) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 10V |
| Rds On (Max) @ Id, Vgs | 800mOhm @ 4A, 10V | 2.6Ohm @ 1.25A, 10V | 1.5Ohm @ 2.25A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 53 nC @ 10 V | 18 nC @ 10 V | 35 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 1800 pF @ 25 V | 610 pF @ 25 V | 1050 pF @ 25 V |
| FET Feature | - | - | - |
| Power Dissipation (Max) | 44W (Tc) | 33W (Tc) | 38W (Tj) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | TO-220F | TO-220F-3 | TO-220F-3 |
| Package / Case | TO-220-3 Full Pack | TO-220-3 Full Pack | TO-220-3 Full Pack |
