China EDR Series LED Power Transformer - High Efficiency, Low Losses, Reliable Suppliers & Factory
📐 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 |
Note: This design is based on 1. Flyback converter 2. PC40 series ferrite 3. Switching frequency: 132KHz
❓ Frequently Asked Questions
Q1: What core shapes are available for this LED power transformer?
The core shapes include EDR-2009, EDR-2610, EDR-2809, EDR-3909, and EDR-4009 to meet different layout and power requirements.
Q2: What type of bobbin structure is used in these specifications?
All the listed models in the electronic specifications utilize a vertical bobbin type for mounting.
Q3: What is the terminal configuration for the EDR-2009 and EDR-2610 models?
The EDR-2009 has a 5+3 terminal configuration, while the EDR-2610 comes with a 5+5 terminal configuration.
Q4: What are the design parameters used for these power ratings?
The design is based on a flyback converter topology, utilizing PC40 series ferrite material, with a switching frequency of 132KHz.
Q5: What is the maximum power output for the EDR-4009 model?
According to the electronic specifications, the EDR-4009 has a maximum power output of 72W.