贴片功率电感器 CER1242B
特长
- 成本有竞争力的廉价版
- 闭磁路形式的贴片功率电感
- 最适合作为电源的扼流线圈用
- 大电流的结构
- 工作温度范围：-40℃～+125℃（包含自身发热）
用途
- 音频＆映像 电视&显示器, 迷你音响，AV功放，业务用攻放, 照相机, 录音机
- 电脑 个人电脑, 打印机, 投影仪
- 家电 LED照明
- 其他 各种电源, 工业机器, 医疗机器.美容机器, 能源, 无线通讯机
电气特性
| 型号 | 电感值 (µH) | 直流电阻 (Ω)±30% | 额定直流电流 (A) | 额定温度上升电流 (A) | ||
|---|---|---|---|---|---|---|
| Typical | Spec | Typical | Spec | |||
| CER1242B-1R3N | 1.3 ± 30% | 0.006 | 16 | 12 | 9.9 | 6.8 |
| CER1242B-2R2N | 2.2 ± 30% | 0.008 | 12 | 9 | 8.75 | 5.95 |
| CER1242B-3R3N | 3.3 ± 30% | 0.01 | 10.4 | 7.2 | 7.75 | 5.3 |
| CER1242B-4R7N | 4.7 ± 30% | 0.012 | 8.9 | 6.6 | 7.05 | 4.85 |
| CER1242B-6R2N | 6.2 ± 30% | 0.014 | 7.8 | 5.4 | 6.5 | 4.5 |
| CER1242B-7R5N | 7.5 ± 30% | 0.016 | 7 | 4.9 | 6 | 4.2 |
| CER1242B-100M | 10 ± 20% | 0.021 | 6.25 | 4.5 | 5.2 | 3.6 |
| CER1242B-120M | 12 ± 20% | 0.026 | 5.55 | 4 | 4.6 | 3.3 |
| CER1242B-150M | 15 ± 20% | 0.029 | 5.15 | 3.6 | 4.35 | 3.1 |
| CER1242B-180M | 18 ± 20% | 0.038 | 4.45 | 3.1 | 3.75 | 2.7 |
| CER1242B-220M | 22 ± 20% | 0.045 | 4.15 | 2.8 | 3.4 | 2.5 |
| CER1242B-270M | 27 ± 20% | 0.056 | 3.65 | 2.55 | 3.05 | 2.2 |
| CER1242B-330M | 33 ± 20% | 0.065 | 3.5 | 2.25 | 2.85 | 1.95 |
| CER1242B-390M | 39 ± 20% | 0.084 | 3.1 | 2.1 | 2.45 | 1.75 |
| CER1242B-470M | 47 ± 20% | 0.095 | 2.6 | 1.82 | 2.3 | 1.65 |
| CER1242B-560M | 56 ± 20% | 0.12 | 2.45 | 1.75 | 2.05 | 1.44 |
| CER1242B-680M | 68 ± 20% | 0.14 | 2.3 | 1.65 | 1.85 | 1.35 |
| CER1242B-820M | 82 ± 20% | 0.16 | 2.05 | 1.48 | 1.7 | 1.23 |
| CER1242B-101M | 100 ± 20% | 0.2 | 1.8 | 1.33 | 1.55 | 1.15 |
| CER1242B-121M | 120 ± 20% | 0.23 | 1.7 | 1.24 | 1.4 | 1.02 |
| CER1242B-151M | 150 ± 20% | 0.29 | 1.5 | 1.05 | 1.25 | 0.92 |
| CER1242B-181M | 180 ± 20% | 0.35 | 1.35 | 0.98 | 1.15 | 0.82 |
| CER1242B-221M | 220 ± 20% | 0.45 | 1.2 | 0.93 | 1 | 0.73 |
| CER1242B-271M | 270 ± 20% | 0.55 | 1.1 | 0.82 | 0.91 | 0.66 |
| CER1242B-331M | 330 ± 20% | 0.67 | 1 | 0.7 | 0.81 | 0.59 |
| CER1242B-391M | 390 ± 20% | 0.82 | 0.92 | 0.65 | 0.74 | 0.52 |
| CER1242B-471M | 470 ± 20% | 0.92 | 0.83 | 0.58 | 0.69 | 0.48 |
| CER1242B-561M | 560 ± 20% | 1.1 | 0.76 | 0.54 | 0.63 | 0.45 |
| CER1242B-681M | 680 ± 20% | 1.37 | 0.69 | 0.51 | 0.56 | 0.4 |
| CER1242B-821M | 820 ± 20% | 1.67 | 0.64 | 0.45 | 0.5 | 0.36 |
| CER1242B-102M | 1000 ± 20% | 1.87 | 0.58 | 0.43 | 0.47 | 0.34 |
- 电感量测试条件:100kHz,1V
- 直流饱和容许电流:电感值下降至初始值的30%以内的电流值
- 温度上升容许电流:磁芯表面温度上升至40℃以下的电流值
电流特性图
直流饱和特性
温度上升特性
