| Part Number | STL21N65M5 | STL31N65M5 | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
|   |   | |
| Product Status | Active | Active | 
| 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 | 17A (Tc) | 2.8A (Ta), 15A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 
| Rds On (Max) @ Id, Vgs | 179mOhm @ 8.5A, 10V | 162mOhm @ 11A, 10V | 
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA | 
| Gate Charge (Qg) (Max) @ Vgs | 50 nC @ 10 V | 45 nC @ 10 V | 
| Vgs (Max) | ±25V | ±25V | 
| Input Capacitance (Ciss) (Max) @ Vds | 1950 pF @ 100 V | 1865 pF @ 100 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 3W (Ta), 125W (Tc) | 2.8W (Ta), 125W (Tc) | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | PowerFlat™ (8x8) HV | PowerFlat™ (8x8) HV | 
| Package / Case | 8-PowerVDFN | 8-PowerVDFN |