| PartNumber | ECO2020SEO-D01V016 | ECO2020SEO-D03V016 | ECO2020SEO-D02H015 |
| Description | Audio & Signal Transformers Transformers Audio & Signal SMPS Transformer Vertical Type | Audio & Signal Transformers Transformers Audio & Signal SMPS Transformer Vertical Type | Audio & Signal Transformers Transformers Audio & Signal SMPS Transformer Horizontal Type |
| Manufacturer | TDK Corporation | TDK Corporation | TDK Corporation |
| Product Category | Switching Converter, SMPS Transformers | Switching Converter, SMPS Transformers | Switching Converter, SMPS Transformers |
| Series | ECO | ECO | ECO |
| Product | Power | Power | Power |
| Type | For AC/DC Converters | For AC/DC Converters | For AC/DC Converters |
| Packaging | Bulk | Bulk | Bulk |
| Termination Style | Terminals | Terminals | Terminals |
| Operating Temperature Range | - 30 C to + 120 C | - 30 C to + 120 C | - 30 C to + 120 C |
| Height | 19.5 mm | 19.5 mm | 20 mm |
| Length | 27 mm | 27 mm | 27 mm |
| Width | 22.5 mm | 22.5 mm | 23.5 mm |
| Frequency | 50kHz | 124kHz | - |
| Operating Temperature | -30°C ~ 120°C | -30°C ~ 120°C | -30°C ~ 120°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Size Dimension | 22.50mm L x 19.50mm W | 22.50mm L x 19.50mm W | 27.00mm L x 23.50mm W |
| Applications | Flyback Converters | Flyback Converters | Flyback Converters |
| Number of Channels | Single | Single | Single |
| Voltage Isolation | 3750Vrms | 3600Vrms | 1500Vrms |
| Height Seated Max | 27.00mm | 27.00mm | 20.00mm |
| Shielding | Shielded | Shielded | Shielded |
| Inductance | 550 uH | 764 uH | 534 uH |
| Voltage Primary | 70 ~ 265V | 85 ~ 276V | 75 ~ 326V |
| Intended Chipset | - | - | - |
| Voltage Auxillary | - | - | - |
| Product Type | Transformers for Switching Power Supplies | Transformers for Switching Power Supplies | Transformers for Switching Power Supplies |
| Application | Switching Power Supplies | Switching Power Supplies | Switching Power Supplies |
| Maximum DC Resistance | 680 mOhms | 1.15 Ohms | 682 mOhms |
| Core Material | Ferrite | Ferrite | Ferrite |