产品型号规格
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 | ||
| EFD15 | 1 | 15.0±0.4 | 7.5±0.2 | 4.6±0.2 | 5.3±0.2 | 11.0±0.4 | 5.5±0.2 | 2.3±0.2 |
| EFD15A | 1 | 15.5±0.4 | 7.5±0.2 | 4.6±0.2 | 5.3±0.2 | 11.5±0.4 | 5.5±0.2 | 2.3±0.2 |
| EFD20.6 | 1 | 20.6+0.5/-0.4 | 10.0±0.25 | 6.65±0.2 | 8.9±0.2 | 15.6min | 7.7±0.25 | 3.6±0.2 |
| EFD20 | 1 | 20.0±0.55 | 10.0±0.25 | 6.65±0.2 | 8.9±0.2 | 15.4±0.5 | 7.7±0.25 | 3.6±0.2 |
| EFD21 | 1 | 21.5±0.55 | 10.3±0.2 | 6.65±0.2 | 8.9±0.2 | 17.0±0.55 | 8.0±0.2 | 3.6±0.2 |
| EFD25 | 1 | 25.0±0.65 | 12.5±0.3 | 9.1±0.3 | 11.4±0.3 | 18.7±0.6 | 9.3±0.25 | 5.2±0.25 |
| EFD25A | 1 | 25.6±0.65 | 12.5±0.3 | 9.1±0.3 | 11.2±0.2 | 19.3min | 9.3±0.25 | 5.15±0.25 |
| EFD25B | 1 | 26.3±0.5 | 12.5±0.15 | 9.1±0.2 | 11.4+0.1/-0.2 | 20min | 9.3+0.25/-0 | 5.2+0.1/-0.15 |
| EFD30A | 1 | 31.5±0.5 | 15.3±0.2 | 9.0±0.25 | 14.6±0.25 | 24.0min | 11.4+0.3/-0.1 | 4.9±0.15 |
| EFD3132 | 1 | 31.7±0.5 | 15.9±0.2 | 9.1±0.3 | 14.6±0.25 | 23.9±0.5 | 12.0±0.2 | 4.9±0.15 |
| EFD3133 | 1 | 31.7±0.7 | 17.05±0.2 | 12.5±0.3 | 11.6±0.3 | 23.4min | 12.55±0.2 | 8.2±0.2 |
| 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 | ||
| EFD15 | 2.23 | 15.44 | 34.37 | 530.6 | 12.72 | 800 | 800 | 2.7 | |
| EFD15A | 2.31 | 15.01 | 34.69 | 520.9 | 12.19 | 800 | 800 | 2.8 | |
| EFD20.6 | 1.54 | 31.1 | 48 | 1494.2 | 30.59 | 1400 | 1400 | 7.5 | |
| EFD20 | 1.52 | 31.13 | 47.4 | 1475.9 | 30.59 | 1400 | 1400 | 7.5 | |
| EFD21 | 1.68 | 29.76 | 50.146 | 1492.5 | 29.93 | 1400 | 1400 | 7.7 | |
| EFD25 | 1.01 | 57.38 | 58.09 | 3333.4 | 54.6 | 2400 | 2400 | 16.1 | |
| EFD25A | 1.05 | 55.72 | 58.73 | 3272.7 | 50.96 | 2400 | 2400 | 15.7 | |
| EFD25B | 1.03 | 57.81 | 59.55 | 3442.7 | 56.42 | 2400 | 2400 | 16.2 | |
| EFD30A | 1.06 | 66.86 | 71.45 | 4777 | 61.2 | 2050 | 2050 | 23.0 | |
| EFD3132 | 1.07 | 68.89 | 73.835 | 5086.2 | 70.98 | 2100 | 2100 | 25 | |
| EFD3133 | 0.8279 | 95.21 | 78.825 | 7504.6 | 91.25 | 2000 | 2000 | 37.5 | |
磁芯是指由各种氧化铁混合物组成的一种烧结磁性金属氧化物，和音圈、盆体等是扬声器的重要组成部分，其广泛应用于各种电子设备的线圈和变压器中。
