| 替代TDK | 电感值(μH) | DCR Typ(mΩ) |  饱和电流(A) | 温升电流(A) | 工作温度(℃) | 长(mm) | 宽(mm) | 高(mm) | 屏蔽 | 磁芯材料 |
| SPM4020T-R47M-LR | 0.47 | 12.5 | 11 | 8 | -40~125 | 4.4 | 4.2 | 1.8 | Y | 合金粉末 |
| SPM4020T-1R0M-LR | 1 | 20.9 | 9 | 6.2 | -40~125 | 4.4 | 4.2 | 1.8 | Y | 合金粉末 |
| SPM4020T-1R5M-LR | 1.5 | 39 | 6 | 4.5 | -40~125 | 4.4 | 4.2 | 1.8 | Y | 合金粉末 |
| SPM4020T-2R2M-LR | 2.2 | 50.5 | 5 | 4 | -40~125 | 4.4 | 4.2 | 1.8 | Y | 合金粉末 |
| SPM4020T-3R3M-LR | 3.3 | 72 | 4 | 3.3 | -40~125 | 4.4 | 4.2 | 1.8 | Y | 合金粉末 |