贴片功率电感器 CER7042BA
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
- 重视直流重叠电流特性
- 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) |
|---|---|---|---|---|
| CER7042BA-1R2N | 1.2 ± 30% | 0.008 | 7.75 | 6.55 |
| CER7042BA-1R8N | 1.8 ± 30% | 0.01 | 6.6 | 6.1 |
| CER7042BA-2R2N | 2.2 ± 30% | 0.011 | 5.75 | 5.65 |
| CER7042BA-3R0N | 3 ± 30% | 0.013 | 5.1 | 5.25 |
| CER7042BA-3R6N | 3.6 ± 30% | 0.015 | 4.6 | 4.95 |
| CER7042BA-4R3N | 4.3 ± 30% | 0.016 | 4.15 | 4.75 |
| CER7042BA-5R1N | 5.1 ± 30% | 0.02 | 3.75 | 4.2 |
| CER7042BA-6R2N | 6.2 ± 30% | 0.023 | 3.45 | 4 |
| CER7042BA-7R5N | 7.5 ± 30% | 0.027 | 3.2 | 3.6 |
| CER7042BA-8R2N | 8.2 ± 30% | 0.034 | 2.95 | 3.1 |
| CER7042BA-100M | 10 ± 20% | 0.04 | 2.8 | 2.9 |
| CER7042BA-120M | 12 ± 20% | 0.052 | 2.45 | 2.45 |
| CER7042BA-150M | 15 ± 20% | 0.06 | 2.3 | 2.3 |
| CER7042BA-180M | 18 ± 20% | 0.067 | 2.05 | 2.15 |
| CER7042BA-220M | 22 ± 20% | 0.08 | 1.85 | 2 |
| CER7042BA-270M | 27 ± 20% | 0.1 | 1.65 | 1.75 |
| CER7042BA-330M | 33 ± 20% | 0.12 | 1.55 | 1.6 |
| CER7042BA-390M | 39 ± 20% | 0.14 | 1.35 | 1.5 |
| CER7042BA-470M | 47 ± 20% | 0.18 | 1.25 | 1.3 |
| CER7042BA-560M | 56 ± 20% | 0.21 | 1.15 | 1.2 |
| CER7042BA-680M | 68 ± 20% | 0.25 | 1.05 | 1.05 |
| CER7042BA-820M | 82 ± 20% | 0.3 | 0.97 | 0.98 |
| CER7042BA-101M | 100 ± 20% | 0.38 | 0.86 | 0.87 |
| CER7042BA-121M | 120 ± 20% | 0.45 | 0.81 | 0.79 |
| CER7042BA-151M | 150 ± 20% | 0.57 | 0.72 | 0.69 |
| CER7042BA-181M | 180 ± 20% | 0.63 | 0.66 | 0.64 |
| CER7042BA-221M | 220 ± 20% | 0.78 | 0.58 | 0.59 |
| CER7042BA-271M | 270 ± 20% | 0.98 | 0.52 | 0.52 |
| CER7042BA-331M | 330 ± 20% | 1.27 | 0.47 | 0.46 |
| CER7042BA-391M | 390 ± 20% | 1.41 | 0.44 | 0.42 |
| CER7042BA-471M | 470 ± 20% | 1.77 | 0.4 | 0.38 |
| CER7042BA-561M | 560 ± 20% | 1.97 | 0.36 | 0.36 |
| CER7042BA-681M | 680 ± 20% | 2.51 | 0.33 | 0.31 |
| CER7042BA-821M | 820 ± 20% | 2.81 | 0.29 | 0.29 |
| CER7042BA-102M | 1000 ± 20% | 3.73 | 0.28 | 0.26 |
- 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%的电流值
- 温度上升容许电流:磁芯表面温度上升至40℃的电流值
电流特性图
直流饱和特性
温度上升特性
