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MF72电源电阻NTC热敏电阻
发布时间：2019-02-20 文章来源：敏创原创 点击次数：
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MF72电源电阻NTC热敏电阻介绍
MF72功率NTC热敏电阻是一种半导体陶瓷元件，主要由过渡金属氧化物材料制成，属于负温度热敏电阻。调谐电气设备时，浪涌电流可以通过与电源电路串联的电源NTC热敏电阻来抑制。由于电流持续作用，电源温度NTC热敏电阻升高，电阻会迅速下降到很小值，消耗的功率可以忽略。所以它不会影响正常的工作电流。因此，使用功率NTC热敏电阻是最有效和最简单的措施，以抑制浪涌电流，保护电气设备免受破坏。
应用
通讯电源，开关电源，各种电加热器，电子节能灯，电子镇流器等。各种电子设备的电源电路保护，各种RT，显示器，灯泡和其他照明灯具的灯丝保护。
特点
1.体积小，功率强，浪涌电流保护能力强。
2.对浪涌电流的快速响应。
3.大材料常数（B值），小保持电阻。
4.使用寿命长，可靠性高。
5.整体系列，广泛的操作范围
MF72电源电阻NTC热敏电阻结构图
主要参数和尺寸
备注：除特定指示外，额定零功率电阻的允许容差为±20％。
| 类型 | 额定电阻 | （一个） | d | 大号 | F | 尺寸（单位：mm） | |
| 最大。稳态电流 | DMAX | LMIN | ˚F±1 | 最高温度 | d | ||
| 5D-5 | 五 | 1 | 6.5 | 25 | 5.0 / 2.5 | 5 | 0.55 / 0.45 |
| 10D-5 | 10 | 0.7 | 6.5 | 25 | 5.0 / 2.5 | 5 | 0.55 / 0.45 |
| 20D-5 | 20 | 0.5 | 6.5 | 25 | 5.0 / 2.5 | 5 | 0.55 / 0.45 |
| 图5D-7 | 五 | 2 | 8.5 | 25 | 5 | 5 | 0.55 |
| 8D-7 | 8 | 1 | 8.5 | 25 | 5 | 5 | 0.55 |
| 10D-7 | 10 | 1 | 8.5 | 25 | 5 | 5 | 0.55 |
| 12D-7 | 12 | 1 | 8.5 | 25 | 5 | 5 | 0.55 |
| 16D-7 | 16 | 0.7 | 8.5 | 25 | 5 | 5 | 0.55 |
| 20D-7 | 20 | 0.6 | 8.5 | 25 | 5 | 5 | 0.55 |
| 22D-7 | 22 | 0.6 | 8.5 | 25 | 5 | 5 | 0.55 |
| 33D-7 | 33 | 0.5 | 8.5 | 25 | 5 | 5 | 0.55 |
| 3D-9 | 3 | 4 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 4D-9 | 4 | 4 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 5D-9 | 5 | 3 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 6D-9 | 6 | 2 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 8D-9 | 7 | 2 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 10D-9 | 10 | 2 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 12D-9 | 12 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 16D-9 | 16 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 20D-9 | 20 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 22D-9 | 22 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 30D-9 | 30 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 33D-9 | 33 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 50D-9 | 50 | 1 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 60D-9 | 60 | 0.8 | 10.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 / 0.55 |
| 2.5D-11 | 2.5 | 5 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 3D-11 | 3 | 5 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 4D-11 | 4 | 4 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 5D-11 | 5 | 4 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 6D-11 | 6 | 3 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 8D-11 | 8 | 3 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 10D-11 | 10 | 3 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 12D-11 | 12 | 2 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 16D-11 | 16 | 2 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 20D-11 | 20 | 2 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 22D-11 | 22 | 2 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 30D-11 | 30 | 1.5 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 33D-11 | 33 | 1.5 | 12.5 | 25 | 7.5 / 5.0 | 5.5 | 0.78 |
| 1.3D-13 | 1.3 | 7 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 1.5D-13 | 1.5 | 6 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 3D-13 | 3 | 6 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 4D-13 | 4 | 5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 5D-13 | 5 | 5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 6D-13 | 6 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 7D-13 | 7 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 8D-13 | 8 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 10D-13 | 10 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 12D-13 | 12 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 15D-13 | 15 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 16D-13 | 16 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 20D-13 | 20 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 30D-13 | 30 | 2.5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 47D-13 | 47 | 2 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 1.3D-15 | 1.3 | 8 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 1.5D-15 | 1.8 | 8 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 3D-15 | 3 | 7 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 5D-15 | 5 | 6 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 6D-15 | 6 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 7D-15 | 7 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 8D-15 | 8 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 10D-15 | 10 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 12D-15 | 12 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 15D-15 | 15 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 16D-15 | 16 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 20D-15 | 20 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 30D-15 | 30 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 33D-15 | 33 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 47D-15 | 47 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 50D-15 | 50 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 0.7D-20 | 0.7 | 12 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 1.3D-20 | 1.3 | 9 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 2.2D-20 | 2.2 | 8 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 2.5D-20 | 2.5 | 8 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 3D-20 | 3 | 8 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 5D-20 | 5 | 7 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 6D-20 | 6 | 6 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 8D-20 | 8 | 6 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 10D-20 | 10 | 6 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 12D-20 | 12 | 5 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 16D-20 | 16 | 5 | 21.5 | 25 | 10 / 7.5 | 7 | 1 |
| 3D-25 | 3 | 9 | 26.5 | 25 | 10 / 7.5 | 7 | 1 |
| 5D-25 | 5 | 8 | 26.5 | 25 | 10 / 7.5 | 7 | 1 |
| 8D-25 | 8 | 7 | 26.5 | 25 | 10 / 7.5 | 7 | 1 |
| 10D-25 | 10 | 7 | 26.5 | 25 | 10 / 7.5 | 8 | 1 |
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