Detailed information
通达磁业磁芯规格与尺寸Types and Dimensions
FIG1
| 型号 TYPE | 图例 FIG | 尺寸 Dimensions （mm） | ||||||
| A | B | C | D | E | F | G | ||
| EI19 | 1 | 19.0±0.3 | 14.0±0.3 | 4.85±0.25 | 4.85±0.25 | 14.2 | 11.0±0.2 | 2.3±0.2 |
| EI22 | 1 | 22.0±0.5 | 15.0±0.3 | 5.75±0.3 | 5.75±0.3 | 15.7 | 11.0±0.3 | 4.0±0.2 |
| EI22C | 1 | 22.2±0.5 | 15.4±0.3 | 5.7±0.3 | 5.7±0.3 | 16 | 11.4±0.3 | 4.0±0.2 |
| EI25 | 1 | 25.0±0.5 | 16.85±0.3 | 6.55±0.3 | 6.55±0.3 | 18.3 | 13.6±0.3 | 3.2±0.2 |
| EI2820 | 1 | 28.0±0.6 | 16.75±0.3 | 10.75±0.25 | 7.25±0.25 | 18.6 | 12.25±0.25 | 3.5±0.3 |
| EI2821 | 1 | 28.0±0.6 | 17.3±0.3 | 10.75±0.25 | 7.25±0.25 | 18.6 | 12.8±0.2 | 3.5±0.3 |
| EI30 | 1 | 30.5±0.6 | 21.4±0.3 | 11.0+0/-0.5 | 11.0+0/-0.5 | 20 | 16.5±0.3 | 5.5±0.3 |
| EI33 | 1 | 33.0±0.6 | 24.25±0.3 | 12.75±0.25 | 9.7±0.3 | 23.8 | 19.25±0.25 | 5.0±0.3 |
| EI40 | 1 | 40.0±0.7 | 27.4±0.3 | 11.65±0.35 | 11.65±0.35 | 27.5 | 20.6±0.3 | 7.5±0.3 |
| 型号 TYPE | C1 | Ae | Le | Ve | Amin | AL±25%（nH/N²) | 重量（g） Wt （g/prs） | ||
| ( mm-1 ) | ( mm² ) | ( mm ) | ( mm³ ) | ( mm² ) | TD4 | TD44 | TD95 | ||
| EI19 | 1.693 | 23.15 | 39.2 | 907.5 | 21.34 | 1200 | 1200 | 4.7 | |
| EI22 | 1.15 | 36.92 | 42.5 | 1569.4 | 33.35 | 1800 | 1800 | 8.3 | |
| EI22C | 1.15 | 36.92 | 42.5 | 1569.4 | 33.35 | 1800 | 1800 | 8.3 | |
| EI25 | 1.1975 | 41.4 | 49.578 | 2052.5 | 39.3 | 1900 | 1900 | 10.3 | |
| EI2820 | 0.57932 | 84.1 | 48.719 | 4097.3 | 75.25 | 3800 | 3800 | 21.6 | |
| EI2821 | 0.5876 | 84.09 | 49.414 | 4155.2 | 75.25 | 3800 | 3800 | 22.2 | |
| EI30 | 0.5459 | 107.64 | 58.763 | 6325.2 | 98.9 | 4000 | 4000 | 34.0 | |
| EI33 | 0.5669 | 119.89 | 67.968 | 8148.7 | 110.93 | 3800 | 3800 | 41.2 | |
| EI40 | 0.53798 | 144.48 | 77.72 | 11229.3 | 135.72 | 4200 | 4200 | 58.1 | |
Magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures, and is widely used in coils and transformers of various electronic devices.
