| Part Number |
Ihold (mA) |
Itrip (mA) |
Vmax (Vdc) |
Vmax (Vrms) |
Imax (A) |
Pd (W) |
Current (A) |
Time (S) |
Rmin (Ω) |
Rmax (Ω) |
R1max (Ω) |
| JK250-020U | 20 | 45 | 60 | 250 | 3 | 1.0 | 0.5 | 0.4 | 80 | 160 | 240 |
| JK250-030U | 30 | 65 | 60 | 250 | 3 | 1.0 | 0.5 | 0.5 | 60 | 120 | 180 |
| JK250-040U | 40 | 80 | 60 | 250 | 3 | 1.0 | 0.5 | 1.0 | 30 | 60 | 100 |
| JK250-060U | 60 | 120 | 60 | 250 | 3 | 1.0 | 0.5 | 0.5 | 20 | 60 | 90 |
| JK250-080U | 80 | 160 | 60 | 250 | 3 | 1.0 | 1.0 | 0.4 | 14 | 22 | 33 |
| JK250-090U | 90 | 180 | 60 | 250 | 3 | 1.0 | 1.0 | 0.5 | 10 | 20 | 31 |
| JK250-110U | 110 | 200 | 60 | 250 | 3 | 1.0 | 1.0 | 1.2 | 6 | 12 | 16 |
| JK250-120 | 120 | 240 | 60 | 250 | 3 | 1.0 | 1.0 | 1.2 | 5 | 10 | 14 |
| JK250-120U | 120 | 240 | 60 | 250 | 3 | 1.0 | 1.0 | 1.2 | 6 | 11 | 16 |
| JK250-145U | 145 | 290 | 60 | 250 | 3 | 1.0 | 1.0 | 4.0 | 3.5 | 6.5 | 14 |
| JK250-180T | 180 | 650 | 60 | 250 | 10 | 1.0 | 1.0 | 1.5 | 1.0 | 2.2 | 4.0 |
| JK250-180U | 180 | 650 | 60 | 250 | 10 | 1.0 | 3.0 | 1.5 | 1.0 | 3.0 | 5.0 |
| JK250-200U | 200 | 400 | 60 | 250 | 10 | 1.0 | 3.0 | 5.0 | 3.0 | 6.0 | 9.0 |
| JK250-400U | 400 | 800 | 60 | 250 | 10 | 1.0 | 3.0 | 8.0 | 1.0 | 3.0 | 6.0 |
| JK250-600U | 600 | 1200 | 60 | 250 | 10 | 1.0 | 3.0 | 12.0 | 0.6 | 2.0 | 5.0 |
| JK250-800U | 800 | 1600 | 60 | 250 | 10 | 1.5 | 5.0 | 18.0 | 0.4 | 1.0 | 3.0 |
| JK250-1000U | 1000 | 2000 | 60 | 250 | 10 | 1.5 | 5.0 | 20.0 | 0.3 | 0.8 | 2.0 |
| JK250-1200U | 1200 | 2400 | 60 | 250 | 10 | 1.5 | 6.0 | 20.0 | 0.2 | 0.8 | 2.0 |
| JK250-1500U | 1500 | 3000 | 60 | 250 | 10 | 1.5 | 7.5 | 20.0 | 0.2 | 0.6 | 1.5 |
| JK250-2000U | 2000 | 4000 | 60 | 250 | 10 | 1.5 | 10.0 | 20.0 | 0.2 | 0.4 | 1.5 |
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JK250
PPTC自恢復保險絲/JK250 Series
JK250系列通信設備用自復保險絲是專門為通信交換機、配線架設計生產的過流保護器件。該系列產品多次經信息產業部（原郵電部）防護產品測試中心及國家技術監督局抽查，性能完全符合郵電行業標準“YDT 741-2002 通信設備過電流保護用正溫度系數（PTC）熱敏電阻器技術要求”。
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