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| Part Number | APT40SM120B | 
| Datasheet | APT40SM120B datasheet | 
| Description | MOSFET N-CH 1200V 41A TO247 | 
| Manufacturer | Microsemi Corporation | 
| Series | - | 
| Part Status | Obsolete | 
| FET Type | N-Channel | 
| Technology | SiCFET (Silicon Carbide) | 
| Drain to Source Voltage (Vdss) | 1200V | 
| Current - Continuous Drain (Id) @ 25°C | 41A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 20V | 
| Rds On (Max) @ Id, Vgs | 100 mOhm @ 20A, 20V | 
| Vgs(th) (Max) @ Id | 3V @ 1mA (Typ) | 
| Gate Charge (Qg) (Max) @ Vgs | 130nC @ 20V | 
| Vgs (Max) | +25V, -10V | 
| Input Capacitance (Ciss) (Max) @ Vds | 2560pF @ 1000V | 
| FET Feature | - | 
| Power Dissipation (Max) | 273W (Tc) | 
| Operating Temperature | -55°C ~ 175°C (TJ) | 
| Mounting Type | Through Hole | 
| Supplier Device Package | TO-247 | 
| Package / Case | TO-247-3 |