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| Part Number | FDMS7556S | FDMS7558S |
|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor |
| Product Status | Obsolete | Active |
| FET Type | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 25 V | 25 V |
| Current - Continuous Drain (Id) @ 25°C | 35A (Ta), 49A (Tc) | 32A (Ta), 49A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V | 4.5V, 10V |
| Rds On (Max) @ Id, Vgs | 1.2mOhm @ 35A, 10V | 1.25mOhm @ 32A, 10V |
| Vgs(th) (Max) @ Id | 3V @ 1mA | 3V @ 1mA |
| Gate Charge (Qg) (Max) @ Vgs | 133 nC @ 10 V | 119 nC @ 10 V |
| Vgs (Max) | ±20V | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 8965 pF @ 13 V | 7770 pF @ 13 V |
| FET Feature | - | - |
| Power Dissipation (Max) | 2.5W (Ta), 96W (Tc) | 2.5W (Ta), 89W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Supplier Device Package | 8-PQFN (5x6) | 8-PQFN (5x6) |
| Package / Case | 8-PowerTDFN | 8-PowerTDFN |
