| PartNumber | FSFR1800HS | FSFR1800HSL | FSFR1800 |
| Description | AC/DC Converters HI POWER FPS | AC/DC Converters GRN MODE PWM CNTRL 4 MOBILE PHONE | AC/DC Converters Power Switch for Half-Bridge Resonant |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | SIP-9 | SIP-9L | SIP-9 |
| Output Power | 120 W | 120 W | - |
| Input / Supply Voltage Min | 10 V | 10 V | - |
| Input / Supply Voltage Max | 25 V | 25 V | - |
| Switching Frequency | 50 kHz | 50 kHz | - |
| Duty Cycle Max | 52 % | 52 % | - |
| Operating Supply Current | 2 mA | 2 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 130 C | + 130 C | - |
| Series | FSFR1800HS | FSFR1800HS | FSFR1800 |
| Packaging | Tube | Tube | Tube |
| Number of Outputs | 1 Output | 1 Output | - |
| Product | Half-Bridge Drivers | Half-Bridge Drivers | - |
| Type | Half-Bridge Controller | Half-Bridge Controller | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Product Type | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| Factory Pack Quantity | 475 | 380 | 475 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Tradename | UniFET | - | - |
| Unit Weight | 0.130818 oz | 0.122782 oz | 0.130818 oz |
| Output Voltage | - | - | 24 V |
| Output Current | - | - | 8 A |