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| Part Number | FAN4801MY | FAN4802MY | FAN4801SMY | FAN4801NY | 
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | 
| Product Status | Active | Active | Active | Obsolete | 
| Mode | Average Current | Average Current | Average Current | Average Current | 
| Frequency - Switching | 64kHz | 64kHz | 240kHz ~ 268kHz | 64kHz | 
| Current - Startup | 30 µA | 30 µA | 30 µA | 30 µA | 
| Voltage - Supply | 27V ~ 39V | 11V ~ 22V | 11V ~ 26V | 11V ~ 22V | 
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-SOP | 16-PDIP |