Welcome to our company!
Tomita EER Type Ferrite Cores
Share
The EER Cores have a good coupling position and a circular center column, which is convenient for winding and increases the winding area, so a transformer with high power and low leakage inductance can be designed.
- Product Name: EER Type Ferrite Cores
- Brand: Tomita
- Lead Time: 2 weeks
- Product Details
- Download
The EER Cores have a good coupling position and a circular center column, which is convenient for winding and increases the winding area, so a transformer with high power and low leakage inductance can be designed.
EER Cores are used in switching power supply transformers, pulse transformers, electronic ballasts, etc.
Dimensions and Effective Parameter
| Cores | Dimensions(mm) | Effective Parameter | Weight (g) | Fig. | Specification | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | C1 (mm-1) | Ae (mm2) | le (mm) | Ve (mm3) | Aw (mm2) | ||||
| EER-7.5 | 7.5±0.15 | 5.0±0.2 | 4.0±0.1 | 6.1+0.25-0 | 2.6±0.1 | 3.45+0.2-0.1 | 2.28 | 5.83 | 13.3 | 77.3 | 6.3 | 0.41 | 1 |  |
| EER-9.5B | 9.35±0.2 | 4.9±0.2 | 4.9±0.1 | 7.63±0.2 | 3.4±0.1 | 3.35±0.2 | 1.67 | 8.47 | 14.2 | 120 | 7.1 | 0.59 | 1 | |
| EER-11 | 11.0±0.25 | 5.0±0.2 | 5.8±0.2 | 9.0±0.25 | 4.2±0.15 | 3.2±0.2 | 1.23 | 12.1 | 14.9 | 179 | 7.7 | 1.00 | 1 | |
| EER-14.5 | 14.5±0.2 | 5.9±0.1 | 6.7±0.1 | 11.8±0.2 | 4.7±0.1 | 3.3±0.2 | 1.08 | 17.6 | 19.0 | 333 | 11.7 | 1.8 | 2 | |
Electrical Characteristics
| Cores | AL-Value(nH/N2) Without air gap | ||||
|---|---|---|---|---|---|
| 2H1 | 2E2D | 2G1 | 2G8 | ||
| EER-7.5 | 2800min | 1995min | 950±25% | 700±25% | |
| EER-9.5B | 4480min | 3150min | 1600±25% | 1060±25% | |
| EER-11 | 5600min | 3850min | 2200±25% | 1500±25% | |
| EER-14.5 | 6300min | 3850min | 2200±25% | 1500±25% | |
| EER-20RA | 2800±25% | ||||
Shenzhen Gaorunxin Technology Co., Ltd
Online message
Shenzhen Gaorunxin Technology Co., Ltd
