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| PartNumber | VIPER53ESP-E | VIPER53ESPTR-E | VIPER53ESP |
| Description | AC/DC Converters OFF line Primary Swtch | AC/DC Converters Primary Switch | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | AC/DC Converters | AC/DC Converters | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PowerSO-10 | PowerSO-10 | - |
| Output Power | 40 W | 40 W | - |
| Input / Supply Voltage Min | 9.3 V | 9.3 V | - |
| Input / Supply Voltage Max | 17 V | 17 V | - |
| Topology | Flyback | Flyback | - |
| Switching Frequency | 300 kHz | 300 kHz | - |
| Operating Supply Current | 9 mA | 9 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Output Current | 2.3 A | 2.3 A | - |
| Series | VIPER53E-E | VIPER53E-E | - |
| Packaging | Tube | Reel | - |
| Isolation | Isolated | Isolated | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Type | Off Line Converter | Off Line Converter | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | AC/DC Converters | AC/DC Converters | - |
| Factory Pack Quantity | 200 | 600 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 1.036 lbs | 0.070548 oz | - |