China EDR Series LED Power Transformer - High-Efficiency Suppliers & Factory for Safe, Low EMI Solutions
📐 Shape and External Dimensions (mm)
⚡ Electronic Specifications
| Core shape | EDR-2009 | EDR-2610 | EDR-2809 | EDR-3909 | EDR-4009 |
| Bobbin type | Vertical | Vertical | Vertical | Vertical | Vertical |
| Number of terminals | 5+3 | 5+5 | 5+3 | 5+3 | 5+5 |
| Size mm/Max.A | 35.0 | 45.0 | 45.0 | 55.0 | 60.0 |
| Max.B | 16.0 | 13.5 | 16.0 | 16.0 | 17.5 |
| Max.D | 10.0 | 10.5 | 10.5 | 10.5 | 10.5 |
| ±0.3 G | 34.0 | 41.7 | 42.5 | 53.0 | 57.0 |
| ±0.3 F | 3.0 | 2.5 | 3.0 | 3.0 | 3.0 |
| Central leg area Aemm² | 56.37 | 81 | 82.83 | 110.8 | 120.7 |
| Maximum power AND | 20 | 30 | 36 | 65 | 72 |
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Note: This design is based on: 1. Flyback converter; 2. PC40 series ferrite; 3. Switching frequency: 132KHz.
❓ Frequently Asked Questions
What type of converter is this LED power transformer designed for?
This specific design is optimized for use with Flyback converters, ensuring efficient power conversion for LED applications.
What is the switching frequency of these EDR series transformers?
The electronic specifications are based on a standard switching frequency of 132KHz.
What material is used for the transformer core?
The design utilizes high-quality PC40 series ferrite to ensure optimal magnetic performance and thermal stability.
How many terminals do the EDR-4009 and EDR-2610 models have?
Both the EDR-4009 and EDR-2610 models are equipped with a 5+5 terminal configuration.
What is the maximum power range covered by this series?
The series ranges from a maximum power of 20W (EDR-2009) up to 72W (EDR-4009), providing versatile options for different LED power requirements.
Are the bobbins for these transformers vertical or horizontal?
All models in this specification table, from EDR-2009 to EDR-4009, utilize a Vertical bobbin type.