| Part Number | STB9NK80Z | STB9NK90Z | 
|---|---|---|
| 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) | 800 V | 900 V | 
| Current - Continuous Drain (Id) @ 25°C | 5.2A (Tc) | 8A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 
| Rds On (Max) @ Id, Vgs | 1.8Ohm @ 2.6A, 10V | 1.3Ohm @ 3.6A, 10V | 
| Vgs(th) (Max) @ Id | 4.5V @ 100µA | 4.5V @ 100µA | 
| Gate Charge (Qg) (Max) @ Vgs | 40 nC @ 10 V | 72 nC @ 10 V | 
| Vgs (Max) | ±30V | ±30V | 
| Input Capacitance (Ciss) (Max) @ Vds | 1138 pF @ 25 V | 2115 pF @ 25 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 125W (Tc) | 160W (Tc) | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | D2PAK | D2PAK | 
| Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |