| Part Number | Vmax (Vdc) | Imax (A) | Ihold (A) | Itrip (A) | Pd (W) | Current (A) | Time (S) | Rmin (Ω) | Rmax (Ω) | R1max (Ω) |
| HY30-030 | 30 | 40 | 0.30 | 0.60 | 0.44 | 8.0 | 0.3 | 0.370 | 0.720 | 1.080 |
| HY30-040 | 30 | 40 | 0.40 | 0.80 | 0.45 | 8.0 | 0.3 | 0.250 | 0.430 | 0.645 |
| HY30-050 | 30 | 40 | 0.50 | 1.00 | 0.46 | 8.0 | 0.3 | 0.150 | 0.400 | 0.600 |
| HY30-065 | 30 | 40 | 0.65 | 1.30 | 0.47 | 8.0 | 0.4 | 0.120 | 0.300 | 0.450 |
| HY30-075 | 30 | 40 | 0.75 | 1.50 | 0.48 | 8.0 | 0.4 | 0.100 | 0.250 | 0.375 |
| HY30-090 | 30 | 40 | 0.90 | 1.80 | 0.60 | 4.5 | 5.9 | 0.070 | 0.145 | 0.220 |
| HY30-110 | 30 | 40 | 1.10 | 2.20 | 0.70 | 5.5 | 6.6 | 0.050 | 0.120 | 0.170 |
| HY30-135 | 30 | 40 | 1.35 | 2.70 | 0.80 | 6.75 | 7.3 | 0.040 | 0.085 | 0.130 |
| HY30-160 | 30 | 40 | 1.60 | 3.20 | 0.90 | 8.0 | 8.0 | 0.030 | 0.070 | 0.110 |
| HY30-185 | 30 | 40 | 1.85 | 3.70 | 1.00 | 9.3 | 8.7 | 0.030 | 0.060 | 0.090 |
| HY30-250 | 30 | 40 | 2.50 | 5.00 | 1.20 | 12.5 | 10.3 | 0.020 | 0.040 | 0.070 |
| HY30-300 | 30 | 40 | 3.00 | 6.00 | 2.00 | 15.0 | 10.8 | 0.020 | 0.050 | 0.080 |
| HY30-400 | 30 | 40 | 4.00 | 8.00 | 2.50 | 20.0 | 12.7 | 0.010 | 0.030 | 0.050 |
| HY30-500 | 30 | 40 | 5.00 | 10.00 | 3.00 | 25.0 | 14.5 | 0.010 | 0.030 | 0.050 |
| HY30-600 | 30 | 40 | 6.00 | 12.00 | 3.50 | 30.0 | 16.0 | 0.005 | 0.020 | 0.040 |
| HY30-700 | 30 | 40 | 7.00 | 14.00 | 3.80 | 35.0 | 17.5 | 0.005 | 0.020 | 0.030 |
| HY30-800 | 30 | 40 | 8.00 | 16.00 | 4.00 | 40.0 | 18.8 | 0.005 | 0.020 | 0.020 |
| HY30-900 | 30 | 40 | 9.00 | 18.00 | 4.20 | 40.0 | 20.0 | 0.005 | 0.010 | 0.020 |
HY30系列PTC自恢复保险丝额定工作电压为30V、额定维持电流为0.75A～9.0A。这一系列的热敏电阻具有中等的耐电压能力，与JK60系列自恢复保险丝相比具有不动作电流大、电阻小、体积小、动作时间短等优点。可广泛用于灯具、计算机接口、鼠标、键盘、微型电机、变压器、CPU、火警及安全保护系统、卫星电视接收系统及其它一些测试、测量设备中。
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