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| Part Number | FDD8444 | FDD8444L | FDD8445 |
|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | onsemi |
| Product Status | Active | Obsolete | Active |
| FET Type | N-Channel | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 40 V | 40 V | 40 V |
| Current - Continuous Drain (Id) @ 25°C | 145A (Tc) | 16A (Ta), 50A (Tc) | 70A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 4.5V, 10V | 10V |
| Rds On (Max) @ Id, Vgs | 5.2mOhm @ 50A, 10V | 5.2mOhm @ 50A, 10V | 8.7mOhm @ 50A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA | 3V @ 250µA | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 116 nC @ 10 V | 60 nC @ 5 V | 59 nC @ 10 V |
| Vgs (Max) | ±20V | ±20V | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 6195 pF @ 25 V | 5530 pF @ 25 V | 4050 pF @ 25 V |
| FET Feature | - | - | - |
| Power Dissipation (Max) | 153W (Tc) | 153W (Tc) | 79W (Tc) |
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | TO-252AA | TO-252, (D-Pak) | TO-252AA |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 | TO-252-3, DPak (2 Leads + Tab), SC-63 | TO-252-3, DPak (2 Leads + Tab), SC-63 |
