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. jk16 series un semiconductor co., ltd. www.unsemi.com.tw jk16 series radial leaded ptcs are designed to provide resettable over-current protection serving a wide range of electronics applications. with maximum 16 volts and maximum 100-ampere short circuit rating. u rohs compliant, lead-free and halogen-free u max 100 a short current rating u 16v operating voltage u fast time-to-trip u computers and peripherals u power ports 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 ) jk16-300 3.00 6.0 16 100 2.3 9.0 15 20 60 80 jk16-400 4.00 8.0 16 100 2.4 12.0 15 20 40 60 jk16-500 5.00 10.0 16 100 2.6 15.0 15 14 25 33 jk16-600 6.00 12.0 16 100 2.8 18.0 15 10 21 31 jk16-700 7.00 14.0 16 100 3.0 21.0 15 8 15 20 jk16-800 8.00 16.0 16 100 3.0 24.0 15 6 13 18 jk16-900 9.00 18.0 16 100 3.3 27.0 25 4 12 16 jk16-1000 10.0 20.0 16 100 3.7 30.0 30 4 11 15 jk16-1100 11.0 22.0 16 100 3.7 33.0 30 3 9 13 jk16-1200 12.0 24.0 16 100 4.2 36.0 30 3 8 12 JK16-1400 14.0 28.0 16 100 4.2 40.0 50 3 7 11 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. jk16 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) jk16-300 4.40 4.00 3.60 3.00 2.60 2.40 2.10 1.90 1.40 jk16-400 5.90 5.30 4.80 4.00 3.50 3.20 2.80 2.50 1.90 jk16-500 7.30 6.60 6.00 5.00 4.40 4.00 3.60 3.10 2.40 jk16-600 8.80 8.00 7.20 6.00 5.20 4.80 4.20 3.80 2.80 jk16-700 10.3 9.30 8.40 7.00 6.20 5.60 5.00 4.40 3.30 jk16-800 11.7 10.7 9.60 8.00 6.90 6.40 5.60 5.10 3.70 jk16-900 13.2 11.9 10.7 9.00 7.90 7.20 6.40 5.60 4.20 jk16-1000 14.7 13.3 12.0 10.0 8.70 8.00 7.00 6.30 4.70 jk16-1100 16.1 14.6 13.1 11.0 9.70 8.80 7.80 6.90 5.20 jk16-1200 17.6 16.0 14.4 12.0 10.4 9.60 8.40 7.60 5.60 JK16-1400 20.5 18.7 16.8 14.0 12.1 11.2 9.80 8.90 6.50 temperature rerating chart C i hold (a)
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. jk16 series un semiconductor co., ltd. www.unsemi.com.tw b=jk16-200~ scjk-1400 i=jk16-300 j=jk16-400 k=jk16-500 l=jk16-600 m=jk16-700 n=jk16-800 o=jk16-900 p=jk16-1000 q=jk16-1100 r=jk16-1200 s=JK16-1400 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 3-14a 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 current in amperes time in seconds t est procedures and requirement soldering parameter s average time current curves temperature rerating curve percentage of rated current temperature ( c) b b physical specifications
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. jk16 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) jk16-300 figure3 9.0 12.0 5.1 3.0 0.031 0.8 1000 jk16-400 figure3 10.0 13.0 5.1 3.0 0.031 0.8 1000 jk16-500 figure3 10.7 15.0 5.1 3.0 0.031 0.8 1000 jk16-600 figure3 13.5 15.0 5.1 3.0 0.031 0.8 1000 jk16-700 figure3 13.5 18.0 5.1 3.0 0.031 0.8 500 jk16-800 figure3 13.5 18.0 5.1 3.0 0.031 0.8 500 jk16-900 figure3 15.0 23.0 5.1 3.0 0.031 0.8 500 jk16-1000 figure3 18.0 24.0 5.1 3.0 0.031 0.8 200 jk16-1100 figure3 18.0 24.0 5.1 3.0 0.031 0.8 200 jk16-1200 figure3 22.5 25.0 10.5 3.0 0.031 0.8 200 JK16-1400 figure3 24.0 28.0 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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