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1812 贴片自恢复保险丝选型_自恢复保险丝 寿命

1812贴片自恢复保险丝选型
订购热线:13827205356
运用范围:所有高密度电路板
产品特性:表面贴装组件,比普通SMD保险丝动作更快
工作电流:0.1A~3.5A
工作温度范围:-40℃ to 85℃
无铅、无卤环保产品,符合RoHS标准和REACH标准
1812贴片自恢复保险丝选型



产品电气特性参数 Performance specification (25℃)
Model 型号 Vmax Imax Ih It Pd Time to trip Resistance
V A A A W Current(A) Time(s) Rmin(Ω) R1max(Ω)
SMD1812P010TF 30.0 10 0.10 0.30 0.8 0.5 1.50 2.000 15.000
SMD1812P014TF 60.0 10 0.14 0.34 0.8 1.5 0.15 1.000 6.000
SMD1812P020TF 30.0 40 0.20 0.40 0.8 8.0 0.02 0.800 5.000
SMD1812P030TF 30.0 40 0.30 0.60 0.8 8.0 0.10 0.400 3.500
SMD1812P050TF 16.0 40 0.50 1.00 0.8 8.0 0.15 0.150 1.200
SMD1812P050TF/24V 24.0 40 0.50 1.00 0.8 8.0 0.15 0.150 1.200
SMD1812P075TF 16.0 40 0.75 1.50 1.0 8.0 0.20 0.100 0.500
SMD1812P110TF 8.0 40 1.10 2.20 1.0 8.0 0.30 0.060 0.260
SMD1812P110TF/16V 16.0 40 1.10 2.20 1.0 8.0 0.30 0.070 0.270
SMD1812P125TF 8.0 40 1.25 2.50 0.8 8.0 0.40 0.050 0.220
SMD1812P150TF 8.0 40 1.50 3.00 1.0 8.0 0.50 0.040 0.170
SMD1812P160TF 8.0 40 1.60 3.20 1.0 8.0 1.00 0.040 0.160
SMD1812P200TF 8.0 40 2.00 4.00 1.0 8.0 2.00 0.030 0.110
SMD1812P260TF 8.0 40 2.60 5.00 1.2 8.0 2.50 0.015 0.060
SMD1812P300TF 6.0 40 3.00 5.00 1.2 8.0 4.00 0.010 0.050



符号Sign 说明 Definition
Ih PTC在25℃环境温度下的最大 工作电流 Hold current-maximum current at which the device will not trip at 25℃
It PTC在25℃环境温度下启动保护的最小电流 Trip current-minimum current at which the device will always trip at 25℃
Vmax PTC的最大工作电压 Maximum voltage at which the device will not trip
Vmaxi PTC在阻断状态下所承受的最大电压 Maximum voltage device can withstand without damage at it rated current
Imax PTC能承受的最大电流 Maximum fault current device can withstand without damage at rated voltage
Rmin PTC工作前的初始最小阻值 Minimum device resistance at 25℃ prior to tripping
Rmax PTC工作前的初始最大阻值 Maximum device resistance at 25℃ prior to tripping
Figure 图示 The Figure of PTC
Lead 导线尺寸 Lead diameter
1812 贴片自恢复保险丝温度曲线图


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