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JK250 series


  • Description
    • Commodity name: JK250 series
    • Commodity ID: JK250 series

    JK250 Series of Polymer PTC Resettable Fuse Used for Communication Equipment

    Jk250 series of resettable fuse is a kind of overcurrent protection unit which specially designed and manufactured for the communication exchanger and distributing frame. Has passed the repeated selective examination by the product protectionTesting Centre of the Ministry of Information Industry (the former Ministry of Posts and Telecommunications) and the Bureau of Technical Supervision, this series’ product performance completely conform to the standards of the telecommunications and posts industry.



    Electrical characteristics(25℃)

    Model/PDF Vmax
    (V)
    Imax
    (A)
    Ih
    (mA)
    Rmax
    (Ω)
    Rmin
    (Ω)
    Fig. Maximum Contour Size
    (mm)
    A B C D
    JK250-060U 250 3 60 40.0 26.0 3 6.0 9.3 3.8 5.1
    JK250-080U 250 3 80 22.0 14.0 3 6.0 9.3 3.8 5.1
    JK250-090U 250 3 90 20.0 10.0 3 6.0 9.3 3.8 5.1
    JK250-110U 250 3 110 12.0 6.0 4 6.5 10.0 3.8 5.1
    JK250-120 250 3 120 10.0 5.0 1 5.5 5.5 2.6 ---
    JK250-120U 250 3 120 10.0 6.0 4 7.0 10.0 3.8 5.1
    JK250-145U 250 3 145 6.5 3.5 4 7.0 10.0 3.8 5.1
    JK250-180T 250 10 180 2.2 1.0 3 10.2 14.5 3.4 5.1
    JK250-180U 250 10 180 3.0 1.0 4 10.4 14.5 3.8 5.1
    JK250-200U 250 10 200 6.0 3.0 2 10.5 17.0 3.8 5.1
    JK250-400U 250 10 400 3.0 1.0 2 10.5 17.0 3.8 5.1
    JK250-600U 250 10 600 2.0 0.6 2 16.0 18.0 4.5 5.1
    JK250-800U 250 10 800 1.0 0.4 2 20.0 22.0 4.5 5.1
     

     

     

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