| Part Number | HUF75309D3ST | HUF75309T3ST | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| FET Type | N-Channel | N-Channel | 
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | 
| Drain to Source Voltage (Vdss) | 55 V | 55 V | 
| Current - Continuous Drain (Id) @ 25°C | 19A (Tc) | 3A (Ta) | 
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 
| Rds On (Max) @ Id, Vgs | 70mOhm @ 19A, 10V | 70mOhm @ 3A, 10V | 
| Vgs(th) (Max) @ Id | 4V @ 250µA | 4V @ 250µA | 
| Gate Charge (Qg) (Max) @ Vgs | 24 nC @ 20 V | 23 nC @ 20 V | 
| Vgs (Max) | ±20V | ±20V | 
| Input Capacitance (Ciss) (Max) @ Vds | 350 pF @ 25 V | 352 pF @ 25 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 55W (Tc) | 1.1W (Ta) | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | TO-252AA | SOT-223-4 | 
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 | TO-261-4, TO-261AA |