NTC热敏电阻-MF72型浪涌保护用
SPMF72系列功率型NTC热敏电阻是负温度系数热敏电阻，其电阻值随温度的变化呈现非线性变化，电阻值随温度升高而降低。利用该特性，在电路的输入端串联一个SPMF72系列NTC热敏电阻增加线路的阻抗，可以有效的抑制开关、继电器、电磁阀动作时产生的浪涌电压形成的浪涌电流。当电路进入稳态工作时，由于线路中持续工作电流引起的NTC热敏电阻的发热，使得电阻器的电阻值变得很小，对线路造成的影响可以完全忽略。
1 应用领域
继电器、电磁阀
各种开关电源、UPS电源等
绿色照明、电工仪表、安防设备、通讯设备
其它各类需要浪涌保护的线路
2 产品优点
产品种类齐全、各种电阻范围可选
采用高能量芯片、抗浪涌能力强
产品体积小、相应时间快、残余电流小
3 产品编号
4 常用SPMF72系列NTC热敏电阻
规格 | 25℃ | 最大 | 剩余 | 耗散 | 时间 | 工作
|
SPMF72-5D-5 | 5.0 | 1.0 | 0.35 | 6 | 19 | -56~+200 |
SPMF72-8D-5 | 8.0 | 0.8 | 0.58 | 6 | 19 | |
SPMF72-10D-5 | 10 | 0.8 | 0.75 | 6 | 19 | |
SPMF72-16D-5 | 16 | 0.5 | 1.27 | 6 | 18 | |
SPMF72-22D-5 | 22 | 0.5 | 1.56 | 6 | 18 | |
SPMF72-5D-7 | 5.0 | 2.0 | 0.35 | 9 | 29 | -56~+200 |
SPMF72-8D-7 | 8.0 | 1.5 | 0.58 | 9 | 26 | |
SPMF72-10D-7 | 10 | 1.0 | 0.75 | 9 | 26 | |
SPMF72-12D-7 | 12 | 0.9 | 0.82 | 9 | 26 | |
SPMF72-16D-7 | 16 | 0.8 | 1.27 | 9 | 26 | |
SPMF72-22D-7 | 22 | 0.6 | 1.56 | 9 | 26 | |
SPMF72-3D-9 | 3.0 | 4.0 | 0.12 | 11 | 39 | -56~+200 |
SPMF72-5D-9 | 5.0 | 3.0 | 0.20 | 11 | 39 | |
SPMF72-8D-9 | 8.0 | 2.2 | 0.38 | 11 | 38 | |
SPMF72-10D-9 | 10 | 2.0 | 0.43 | 11 | 38 | |
SPMF72-12D-9 | 12 | 1.8 | 0.63 | 11 | 38 | |
SPMF72-16D-9 | 16 | 1.5 | 0.75 | 11 | 38 | |
SPMF72-22D-9 | 22 | 1.3 | 0.90 | 11 | 39 | |
SPMF72-33D-9 | 33 | 1.1 | 1.10 | 11 | 37 | |
SPMF72-47D-9 | 47 | 0.9 | 1.16 | 11 | 37 | |
SPMF72-62D-9 | 62 | 0.7 | 1.53 | 11 | 37 | |
SPMF72-82D-9 | 82 | 0.5 | 2.18 | 11 | 38 | |
SPMF72-100D-9 | 100 | 0.4 | 2.57 | 11 | 38 | |
SPMF72-220D-9 | 220 | 0.3 | 5.92 | 11 | 37 | |
SPMF72-2.2D-11 | 2.2 | 5.5 | 0.09 | 12 | 49 | -56~+200 |
SPMZF72-3D-11 | 3.0 | 5.0 | 0.12 | 12 | 49 | |
SPMF72-5D-11 | 5.0 | 4.0 | 0.15 | 13 | 48 | |
SPMF72-8D-11 | 8.0 | 3.0 | 0.25 | 13 | 48 | |
SPMF72-10D-11 | 10 | 3.0 | 0.27 | 13 | 48 | |
SPMF72-12D-11 | 12 | 2.8 | 0.41 | 13 | 46 | |
SPMF72-16D-11 | 16 | 2.5 | 0.48 | 13 | 46 | |
SPMF72-22D-11 | 22 | 2.2 | 0.60 | 13 | 46 | |
SPMF72-33D-11 | 33 | 2.0 | 0.75 | 15 | 46 | |
SPMF72-47D-11 | 47 | 1.6 | 1.18 | 15 | 48 | |
SPMF72-62D-11 | 62 | 1.5 | 1.23 | 15 | 48 | |
SPMF72-82D-11 | 82 | 1.3 | 1.72 | 15 | 48 | |
SPMF72-10D-11 | 100 | 1.0 | 1.89 | 15 | 46 | |
SPMF72-2.2D-13 | 2.2 | 6.0 | 0.08 | 13 | 63 | -56~+200 |
SPMF72-3D-13 | 3.0 | 5.6 | 0.09 | 13 | 63 | |
SPMF72-5D-13 | 5.0 | 5.0 | 0.12 | 14 | 65 | |
SPMF72-8D-13 | 8.0 | 4.3 | 0.19 | 14 | 65 | |
SPMF72-10D-13 | 10 | 4.0 | 0.22 | 15 | 65 | |
SPMF72-12D-13 | 12 | 3.8 | 0.32 | 15 | 65 | |
SPMF72-16D-13 | 16 | 3.5 | 0.33 | 15 | 63 | |
SPMF72-22D-13 | 22 | 3.0 | 0.39 | 14 | 63 | |
SPMF72-33D-13 | 33 | 2.5 | 0.56 | 14 | 63 | |
SPMF72-47D-13 | 47 | 2.0 | 0.83 | 15 | 65 | |
SPMF72-2.2D-15 | 2.2 | 7.0 | 0.02 | 18 | 73 | -56~+200 |
SPMF72-3D-15 | 3.0 | 6.5 | 0.02 | 18 | 77 | |
SPMF72-5D-15 | 5.0 | 6.0 | 0.04 | 17 | 77 | |
SPMF72-8D-15 | 8.0 | 5.5 | 0.06 | 17 | 75 | |
SPMF72-10D-15 | 10 | 5.0 | 0.08 | 16 | 73 | |
SPMF72-12D-15 | 12 | 4.8 | 0.24 | 16 | 73 | |
SPMF72-16D-15 | 16 | 4.5 | 0.27 | 16 | 73 | |
SPMF72-22D-15 | 22 | 4.0 | 0.29 | 17 | 83 | |
SPMF72-33D-15 | 33 | 3.5 | 0.47 | 17 | 85 | |
SPMF72-47D-15 | 47 | 3.0 | 0.59 | 18 | 87 | |
SPMF72-0.7D-20 | 0.7 | 11 | 0.02 | 23 | 89 | -56~+200 |
SPMF72-1D-20 | 1.0 | 9.5 | 0.02 | 23 | 89 | |
SPMF72-2D-20 | 2.0 | 8.2 | 0.04 | 24 | 93 | |
SPMF72-3D-20 | 3.0 | 7.5 | 0.06 | 24 | 93 | |
SPMF72-5D-20 | 5.0 | 7.0 | 0.08 | 25 | 97 | |
SPMF72-6D-20 | 6.0 | 6.5 | 0.09 | 25 | 97 | |
SPMF72-8D-20 | 8.0 | 6.0 | 0.13 | 25 | 99 | |
SPMF72-10D-20 | 10 | 5.5 | 0.15 | 25 | 99 | |
SPMF72-12D-20 | 12 | 5.0 | 0.19 | 23 | 103 | |
SPMF72-16D-20 | 16 | 5.0 | 0.22 | 23 | 103 | |
SPMF72-0.7D-25 | 0.7 | 13 | 0.01 | 30 | 117 | -56~+200 |
SPMF72-1D-25 | 1.0 | 11 | 0.02 | 30 | 123 | |
SPMF72-2D-25 | 2.0 | 9.5 | 0.03 | 32 | 125 | |
SPMF72-3D-25 | 3.0 | 8.5 | 0.04 | 32 | 127 | |
SPMF72-5D-25 | 5.0 | 8.0 | 0.06 | 32 | 127 | |
SPMF72-6D-25 | 6.0 | 7.5 | 0.09 | 33 | 129 | |
SPMF72-8D-25 | 8.0 | 7.0 | 0.10 | 35 | 129 | |
SPMF72-10D-25 | 10 | 6.5 | 0.13 | 35 | 127 | |
SPMF72-12D-25 | 12 | 6.3 | 0.15 | 35 | 127 | |
SPMF72-16D-25 | 16 | 6.0 | 0.15 | 33 | 127 |
