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| PartNumber | NCP1937B1DR2G | NCP1937B3DR2G | NCP1937B2DR2G |
| Description | Power Factor Correction - PFC COMBO PFC & QUAZI FLYBACK | Power Factor Correction - PFC COMBO PFC & QUAZI FLYBACK | Power Factor Correction - PFC COMBO PFC & QUAZI FLYBACK |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Power Factor Correction - PFC | Power Factor Correction - PFC | Power Factor Correction - PFC |
| RoHS | Y | Y | Y |
| Switching Frequency | 250 kHz | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-20 | - | - |
| Packaging | Reel | Reel | Reel |
| Series | NCP1937 | NCP1937 | NCP1937 |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Pd Power Dissipation | 0.62 W | - | - |
| Product Type | PFC - Power Factor Correction | PFC - Power Factor Correction | PFC - Power Factor Correction |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.028254 oz | - | - |