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| PartNumber | TNY278PG | TNY278PN | TNY278PN/TNY280PN |
| Description | AC/DC Converters 21.5 W (85-265 VAC) 28 W (230 VAC) | AC/DC Converters 21.5W 85-265 VAC 28W/230 VAC | |
| Manufacturer | Power Integrations | Power Integrations | - |
| Product Category | AC/DC Converters | AC/DC Converters | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-8 | DIP-8 | - |
| Output Voltage | 12 V | 12 V | - |
| Output Power | 21.5 W | 21.5 W | - |
| Input / Supply Voltage Min | 85 VAC | 85 VAC | - |
| Input / Supply Voltage Max | 265 VAC | 265 VAC | - |
| Switching Frequency | 132 kHz | 132 kHz | - |
| Duty Cycle Max | 65 % | 65 % | - |
| Operating Supply Current | 445 uA | 445 uA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Output Current | 1 A | - | - |
| Series | TNY278 | TNY278 | - |
| Packaging | Tube | Tube | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Type | Off Line Converter | Off Line Converter | - |
| Brand | Power Integrations | Power Integrations | - |
| Product Type | AC/DC Converters | AC/DC Converters | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Tradename | TinySwitch | TinySwitch | - |
| Unit Weight | 0.032805 oz | 0.081130 oz | - |