贴片功率电感器 CER1277B
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 | |||
| CER1277B-2R2N | 2.2 ± 30% | 0.007 | 17.7 | 11.6 | 9.6 | 6.85 |
| CER1277B-3R3N | 3.3 ± 30% | 0.008 | 15.3 | 10 | 8.7 | 6 |
| CER1277B-4R3N | 4.3 ± 30% | 0.01 | 13.1 | 9.4 | 8 | 5.6 |
| CER1277B-5R6N | 5.6 ± 30% | 0.011 | 10.9 | 8.5 | 7.45 | 5.3 |
| CER1277B-7R5N | 7.5 ± 30% | 0.013 | 10 | 7.4 | 7 | 4.8 |
| CER1277B-100M | 10 ± 20% | 0.014 | 8.75 | 6.3 | 6.6 | 4.3 |
| CER1277B-120M | 12 ± 20% | 0.016 | 8 | 6 | 6.2 | 4.15 |
| CER1277B-150M | 15 ± 20% | 0.019 | 6.8 | 4.9 | 5.65 | 3.85 |
| CER1277B-180M | 18 ± 20% | 0.021 | 6.35 | 4.6 | 5.2 | 3.7 |
| CER1277B-220M | 22 ± 20% | 0.024 | 5.9 | 4.3 | 5 | 3.25 |
| CER1277B-270M | 27 ± 20% | 0.03 | 5.1 | 4 | 4.25 | 3 |
| CER1277B-330M | 33 ± 20% | 0.035 | 4.75 | 3.25 | 4.1 | 2.85 |
| CER1277B-390M | 39 ± 20% | 0.046 | 4.2 | 2.85 | 3.65 | 2.5 |
| CER1277B-470M | 47 ± 20% | 0.051 | 3.95 | 2.65 | 3.3 | 2.3 |
| CER1277B-560M | 56 ± 20% | 0.062 | 3.6 | 2.5 | 2.95 | 2.1 |
| CER1277B-680M | 68 ± 20% | 0.077 | 3.3 | 2.4 | 2.7 | 1.9 |
| CER1277B-820M | 82 ± 20% | 0.085 | 3.25 | 2.35 | 2.5 | 1.8 |
| CER1277B-101M | 100 ± 20% | 0.11 | 2.65 | 2.2 | 2.25 | 1.6 |
| CER1277B-121M | 120 ± 20% | 0.13 | 2.55 | 1.9 | 2 | 1.4 |
| CER1277B-151M | 150 ± 20% | 0.18 | 2.15 | 1.6 | 1.7 | 1.2 |
| CER1277B-181M | 180 ± 20% | 0.19 | 1.95 | 1.45 | 1.65 | 1.15 |
| CER1277B-221M | 220 ± 20% | 0.24 | 1.85 | 1.35 | 1.45 | 1.05 |
| CER1277B-271M | 270 ± 20% | 0.31 | 1.75 | 1.25 | 1.3 | 0.91 |
| CER1277B-331M | 330 ± 20% | 0.34 | 1.4 | 1 | 1.2 | 0.88 |
| CER1277B-391M | 390 ± 20% | 0.4 | 1.25 | 0.9 | 1.13 | 0.8 |
| CER1277B-471M | 470 ± 20% | 0.51 | 1.15 | 0.8 | 1 | 0.7 |
| CER1277B-561M | 560 ± 20% | 0.56 | 1.05 | 0.73 | 0.95 | 0.65 |
| CER1277B-681M | 680 ± 20% | 0.73 | 1 | 0.68 | 0.82 | 0.6 |
| CER1277B-821M | 820 ± 20% | 0.87 | 0.91 | 0.62 | 0.75 | 0.55 |
| CER1277B-102M | 1000 ± 20% | 1.07 | 0.89 | 0.6 | 0.68 | 0.5 |
- 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
