| PartNumber | LNK6666K | LNK6666K-TL | LNK6666E |
| Description | AC/DC Converters 37 W (85-265 VAC) 48W (230 VAC) IC | AC/DC Converters 37 W (85-265 VAC) 48 W (230 VAC) IC | AC/DC Converters Off-Line Switcher IC PSR LinkSwitch HP |
| Manufacturer | Power Integrations | Power Integrations | Power Integrations |
| Product Category | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | eSOP-12B | eSOP-12B | eSIP-7C |
| Output Voltage | 50 V | 50 V | - |
| Output Power | 30 W | 30 W | 60 W |
| Input / Supply Voltage Min | 85 VAC | 85 VAC | - |
| Input / Supply Voltage Max | 265 VAC | 265 VAC | - |
| Topology | Flyback | Flyback | - |
| Switching Frequency | 132 kHz | 132 kHz | 120 kHz to 136 kHz |
| Duty Cycle Max | 66 % | 66 % | - |
| Operating Supply Current | 1.3 mA | 1.3 mA | 1.6 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Output Current | 12.5 uA | 12.5 uA | 15 uA |
| Series | LNK6xx | LNK6xx | LNK6xx |
| Packaging | Tube | Reel | Tube |
| Number of Outputs | 1 | 1 | - |
| Product | AC/DC Converters | AC/DC Converters | - |
| Type | Off Line Converter | Off Line Converter | Off Line Converter |
| Brand | Power Integrations | Power Integrations | Power Integrations |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| Factory Pack Quantity | 48 | 1000 | 48 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Tradename | LinkSwitch-HP | LinkSwitch-HP | LinkSwitch-HP |