| Part Number | FDS4770 | FDS4470 | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
|   |   | |
| Product Status | Obsolete | Active | 
| FET Type | N-Channel | N-Channel | 
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | 
| Drain to Source Voltage (Vdss) | 40 V | 40 V | 
| Current - Continuous Drain (Id) @ 25°C | 13.2A (Ta) | 12.5A (Ta) | 
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 
| Rds On (Max) @ Id, Vgs | 7.5mOhm @ 13.2A, 10V | 9mOhm @ 12.5A, 10V | 
| Vgs(th) (Max) @ Id | 5V @ 250µA | 5V @ 250µA | 
| Gate Charge (Qg) (Max) @ Vgs | 67 nC @ 10 V | 63 nC @ 10 V | 
| Vgs (Max) | ±20V | +30V, -20V | 
| Input Capacitance (Ciss) (Max) @ Vds | 2819 pF @ 20 V | 2659 pF @ 20 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 2.5W (Ta) | 2.5W (Ta) | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 175°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |