| PartNumber | VIPER12AS-E | VIPER12ASTR-E | VIPER12AS |
| Description | AC/DC Converters 700V 0.36A SMPS | AC/DC Converters Low Power OFF-Line SMPS Primary Switch | AC/DC Converters 700V 0.36A SMPS DISC-BY-STM-12/04 |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOIC-8 | SOIC-8 |
| Output Voltage | 730 V | 730 V | 730 V |
| Output Power | 5 W | 5 W | 5 W |
| Input / Supply Voltage Min | 9 V | 9 V | 9 V |
| Input / Supply Voltage Max | 38 V | 38 V | 38 V |
| Switching Frequency | 60 kHz | 60 kHz | 60 kHz |
| Duty Cycle Max | 16 % | 16 % | 16 % |
| Operating Supply Current | 4.5 mA | 4.5 mA | 4.5 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | VIPER12A-E | VIPER12A-E | VIPER12A-E |
| Packaging | Tube | Reel | Tube |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Type | Off Line Converter | Off Line Converter | Off Line Converter |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | AC/DC Converters | AC/DC Converters | AC/DC Converters |
| Factory Pack Quantity | 2000 | 2500 | 100 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.007055 oz | 0.019048 oz | - |