radial lead resettable polymer ptcs revision october 18, 2013 1 / 4 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. jk30 series un semiconductor co., ltd. www.unsemi.com.tw jk30 series radial leaded ptcs are designed to provide over-current protection for low voltage ( 30v) applications where space is not a concern and resettable protection is preferred. u cured, ? ame retardant epoxy polymer meets ul 94v-0 requirements u 30v operating voltage u fast time-to-trip u rohs compliant, lead-free and halogen-free u computers and peripherals u power ports u motor protection u automotive application u usb hubs ,ports and peripherals u general electronics maximum time to trip resistance part number i hold (a) i trip (a) v max (vdc) i max (a) p dtyp. (w) current (a) time (sec.) r min (m ) r max (m ) r 1max (m ) JK30-075 0.75 1.5 30 40 0.6 3.75 7.00 200 370 620 jk30-090 0.90 1.8 30 40 0.7 4.50 7.10 130 220 300 jk30-110 1.10 2.2 30 40 0.7 5.50 6.60 90 200 260 jk30-135 1.35 2.7 30 40 0.8 6.75 8.00 70 160 220 jk30-160 1.60 3.2 30 40 0.9 8.00 8.70 60 140 200 jk30-185 1.85 3.7 30 40 1.0 9.25 8.00 50 120 200 jk30-200 2.00 4.0 30 40 1.2 10.0 11.0 40 100 160 jk30-250 2.5 5.0 30 40 1.2 12.5 10.3 30 80 140 jk30-300 3.0 6.0 30 100 2.0 15.0 10.8 30 70 140 jk30-400 4.0 8.0 30 100 2.5 20.0 12.7 10 60 120 jk30-500 5.0 10.0 30 100 3.0 25.0 14.5 10 50 90 jk30-600 6.0 12.0 30 100 3.5 30.0 16.0 5 40 70 jk30-700 7.0 14.0 30 100 3.8 35.0 17.5 5 30 60 jk30-800 8.0 16.0 30 100 4.0 40.0 18.8 5 25 45 jk30-900 9.0 18.0 30 100 4.2 45.0 20.0 5 20 35 i hold = hold current: maximum current device will pass without tripping in 25 c still air. i trip = trip current: minimum current at which the device will trip in 25 c still air. v max = maximum voltage device can withstand without damage at rated current (i max ) i max = maximum fault current device can withstand without damage at rated voltage (v max ) p dtyp. = power dissipated from device when in the tripped state at 25 c still air. r min = minimum resistance of device in initial (un-soldered) state. r max = maximum resistance of device in initial (un-soldered) state. r 1max = maximum resistance of device at 25 c measured one hour after tripping. caution: operation beyond the speci ? ed rating may result in damage and possible arcing and flame. description features electrical parameters applicable
radial lead resettable polymer ptcs revision october 18, 2013 2 / 4 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. jk30 series un semiconductor co., ltd. www.unsemi.com.tw ambient operation temperature -40 c -20 c 0 c 25 c 40 c 50 c 60 c 70 c 85 c part number hold current (a) JK30-075 1.09 0.98 0.86 0.75 0.62 0.58 0.51 0.46 0.39 jk30-090 1.31 1.17 1.04 0.90 0.75 0.69 0.61 0.55 0.47 jk30-110 1.60 1.43 1.27 1.10 0.91 0.85 0.75 0.67 0.57 jk30-135 1.96 1.76 1.55 1.35 1.12 1.04 0.92 0.82 0.70 jk30-160 2.32 2.08 1.84 1.60 1.33 1.23 1.09 0.98 0.83 jk30-185 2.68 2.41 2.13 1.85 1.54 1.42 1.26 1.13 0.96 jk30-200 2.90 2.60 2.30 2.00 1.66 1.54 1.36 1.22 1.04 jk30-250 3.63 3.25 2.88 2.50 2.08 1.93 1.70 1.53 1.30 jk30-300 4.35 3.90 3.45 3.00 2.49 2.31 2.04 1.83 1.56 jk30-400 5.80 5.20 4.60 4.00 3.32 3.08 2.72 2.44 2.08 jk30-500 7.25 6.50 5.75 5.00 4.15 3.85 3.40 3.05 2.60 jk30-600 8.70 7.80 6.90 6.00 4.98 4.62 4.08 3.66 3.12 jk30-700 10.15 9.10 8.05 7.00 5.81 5.39 4.76 4.27 3.64 jk30-800 11.60 10.40 9.20 8.00 6.64 6.16 5.44 4.88 4.16 jk30-900 13.05 11.70 10.35 9.00 7.47 6.93 6.12 5.49 4.68 a=jk30-090 b=jk30-110 c=jk30-135 d=jk30-160 e=jk30-185 f=jk30-250 g=jk30-300 h=jk30-400 i=jk30-500 j=jk30-600 k=jk30-700 l=jk30-800 m=jk30-900 temperature rerating chart C i hold (a) temperature rerating curve average time current curves time in seconds current in amperes 1 10 100 1000 100 10 1 0.01 0.1 0.001 percentage of rated current temperature ( c)
radial lead resettable polymer ptcs revision october 18, 2013 3 / 4 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. jk30 series un semiconductor co., ltd. www.unsemi.com.tw test test conditions accept/reject criteria resistance in still air @25 2 c r min r r max hold current 60 min, at i hold , in still air @25 2 c no trip time to trip specified current, v max , @25 2 c t maximum time to trip trip cycle life v max , i max ,100 cycles no arcing or burning trip endurance vmax,24hours no arcing or burning pre-heating zone refer to the condition recommended by the manufacturer. max. ramping rate should not exceed 4 c/sec soldering zone max. solder temperature should not exceed 260 c cooling zone cooling by natural convection in air lead material 0.75-1.85a tin-plated copper clad steel 2.5-9.0a tin-plated copper soldering characteristics solder ability per mil-std-202, method 208e insulating material cured, ? ame retardant epoxy polymer meets ul 94v-0 requirements. device labeling marked with un , voltage, current rating soldering parameters t est procedures a nd requirement physical specifications part numbering part marking
radial lead resettable polymer ptcs revision october 18, 2013 4 / 4 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. jk30 series un semiconductor co., ltd. www.unsemi.com.tw figure1 figure2 figure3 a b c d lead (dia) part number figure mm (max.) mm (max.) mm (typ.) mm (max.) inches mm packaging (bulk pack) JK30-075 figure1 7.4 12.2 5.1 3.0 0.020 0.5 1000 jk30-090 figure2 7.4 14.0 5.1 3.0 0.020 0.5 1000 jk30-110 figure2 7.4 14.0 5.1 3.0 0.020 0.5 1000 jk30-135 figure2 9.2 13.5 5.1 3.0 0.020 0.5 1000 jk30-160 figure2 9.2 15.2 5.1 3.0 0.020 0.5 1000 jk30-185 figure2 9.2 15.2 5.1 3.0 0.020 0.5 1000 jk30-200 figure2 15.2 15.2 5.1 3.0 0.020 0.5 1000 jk30-250 figure2 13.2 18.3 5.1 3.0 0.020 0.5 1000 jk30-300 figure3 13.2 17.3 5.1 3.0 0.031 0.8 1000 jk30-400 figure3 14.0 20.1 5.1 3.0 0.031 0.8 500 jk30-500 figure3 14.0 20.1 10.5 3.0 0.031 0.8 500 jk30-600 figure3 17.2 24.9 10.5 3.0 0.031 0.8 500 jk30-700 figure3 17.2 24.9 10.5 3.0 0.031 0.8 200 jk30-800 figure3 23.5 29.2 10.5 3.0 0.031 0.8 200 jk30-900 figure3 23.5 29.2 10.5 3.0 0.031 0.8 200 u this product should not be used in an application where the maximum interrupt voltage or maximum interrupt current in a fault condition, operation beyond the maximum rating or improper use may result in device damage and possible electrical arcing and flame. u a pptc device is not a fuse, it is a nonlinear thermistor that limits current, because under a fault condition all pptc devices go into a high resistance state but not open circuit hazardous voltage may be present at pptc. u the devices are intended for protection against occasional over-current or over-temperature fault conditions and should not be used when repeated fault conditions or prolonged trip events. u in most application, power must be removed and the fault condition cleared in order to reset a pptc device. u pptc devices are not recommended to be installed in applications where the device is constrained such that its pptc properties are inhibited, for example in rigid potting materials or add devices surface coating, bundled devices ontology, which lack adequate clearance to accommodate device expansion. u contamination on of the pptc material with certain silicone-based oils or some aggressive solvents can adversely impact the performance of the devices. for example, organic solvents to cleaning. dimensions warning
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