| Part Number | STF38N65M5 | STF18N65M5 | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
|   |   | |
| Product Status | Active | Obsolete | 
| FET Type | N-Channel | N-Channel | 
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | 
| Drain to Source Voltage (Vdss) | 650 V | 650 V | 
| Current - Continuous Drain (Id) @ 25°C | 30A (Tc) | 15A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 
| Rds On (Max) @ Id, Vgs | 95mOhm @ 15A, 10V | 220mOhm @ 7.5A, 10V | 
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA | 
| Gate Charge (Qg) (Max) @ Vgs | 71 nC @ 10 V | 31 nC @ 10 V | 
| Vgs (Max) | ±25V | ±25V | 
| Input Capacitance (Ciss) (Max) @ Vds | 3000 pF @ 100 V | 1240 pF @ 100 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 35W (Tc) | 25W (Tc) | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Supplier Device Package | TO-220FP | TO-220FP | 
| Package / Case | TO-220-3 Full Pack | TO-220-3 Full Pack |