| Part Number | FDS6688S | FDS6689S | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| 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) | 30 V | 30 V | 
| Current - Continuous Drain (Id) @ 25°C | 16A (Ta) | 16A (Ta) | 
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V | 4.5V, 10V | 
| Rds On (Max) @ Id, Vgs | 6mOhm @ 16A, 10V | 5.4mOhm @ 16A, 10V | 
| Vgs(th) (Max) @ Id | 3V @ 1mA | 3V @ 1mA | 
| Gate Charge (Qg) (Max) @ Vgs | 78 nC @ 10 V | 78 nC @ 10 V | 
| Vgs (Max) | ±20V | ±20V | 
| Input Capacitance (Ciss) (Max) @ Vds | 3290 pF @ 15 V | 3290 pF @ 15 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 2.5W (Ta) | 2.5W (Ta) | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 150°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) |