| PartNumber | ML4821CS | ML4821CP | ML4821CSX |
| Description | Power Factor Correction - PFC PFC Controller | Power Factor Correction - PFC PFC Controller | IC POWER FACTOR CTRLR 20-SOIC |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Power Factor Correction - PFC | Power Factor Correction - PFC | - |
| RoHS | Y | Y | - |
| Switching Frequency | 110 kHz | 110 kHz | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SOIC-20 | PDIP-18 | - |
| Packaging | Tube | Tube | - |
| Height | 2.35 mm | 4.32 mm | - |
| Length | 13 mm | 23.12 mm | - |
| Type | Power Factor Controller | Power Factor Controller | - |
| Width | 7.6 mm | 6.61 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Product Type | PFC - Power Factor Correction | PFC - Power Factor Correction | - |
| Factory Pack Quantity | 36 | 20 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Part # Aliases | ML4821CS_NL | ML4821CP_NL | - |
| Unit Weight | 0.028254 oz | 0.044801 oz | - |