radial lead resettable polymer ptcs revision september 12, 2013 1 / 5 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc250 series socay electronics co., ltd. www.socay.com sc250 series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically used in ac220v. u 0.02-2.0a hold current rating u 250vac operating voltage u fast time-to- trip u rohs compliant, lead-free and halogen-free u ac220v over-current protection u power ports u customer premises equipment(cpe) maximum time to trip resistance part number i hold (a) i trip (a) v max (vac) i max (a) p dtyp. (w) current (a) time (sec.) r min ( ) r max ( ) r 1max ( ) sc250-020 0.02 0.04 250 1.0 0.6 0.10 8.0 65.0 165.0 225.0 sc250-030 0.03 0.06 250 1.0 0.6 0.15 5.0 35.0 90.0 120.0 sc250-040 0.04 0.08 250 1.0 0.7 0.20 6.0 27.0 65.0 90.0 sc250-050 0.05 0.10 250 1.0 0.7 0.25 5.0 22.0 55.0 75.0 sc250-060 0.06 0.12 250 1.2 0.8 0.30 5.0 18.0 45.0 60.0 sc250-080 0.08 0.16 250 1.2 0.8 0.40 5.0 11.0 22.0 33.0 sc250-120s 0.12 0.24 250 1.2 1.0 0.60 5.0 6.0 12.0 16.0 sc250-160 0.16 0.32 250 2.0 1.4 0.80 15.0 3.5 7.8 10.4 sc250-200c 0.20 0.40 250 3.0 1.5 1.00 9.0 3.0 6.5 8.0 sc250-250 0.25 0.50 250 3.5 1.5 1.25 7.0 2.2 5.0 6.0 sc250-300 0.30 0.60 250 4.5 1.7 1.50 8.0 1.8 4.0 4.8 sc250-330 0.33 0.66 250 4.5 1.7 1.65 8.0 1.6 3.6 4.3 sc250-400 0.40 0.80 250 5.5 2.0 2.00 9.0 1.35 3.00 3.6 sc250-500 0.50 1.0 250 6.5 2.5 2.50 10.0 0.90 2.00 2.4 sc250-550 0.55 1.1 250 7.0 2.5 2.75 9.0 0.85 1.80 2.2 sc250-600 0.60 1.2 250 6.0 2.5 3.00 8.0 0.80 1.65 2.0 sc250-650 0.65 1.3 250 6.5 2.6 3.25 12.0 0.65 1.30 1.6 sc250-750 0.75 1.5 250 7.5 2.6 3.75 18.0 0.55 1.10 1.3 sc250-800 0.80 1.6 250 8.0 2.7 4.00 18.0 0.50 1.00 1.2 sc250-900 0.90 1.8 250 9.0 2.8 4.50 18.0 0.45 0.90 1.1 SC250-1000C 1.00 2.0 250 10.0 2.9 5.00 21.0 0.37 0.75 0.90 sc250-1100 1.10 2.2 250 10.0 3.1 5.50 21.0 0.33 0.66 0.80 sc250-1250c 1.25 2.5 250 10.0 3.3 6.25 23.0 0.27 0.55 0.66 sc250-1350 1.35 2.7 250 10.0 3.5 6.75 23.0 0.25 0.50 0.60 sc250-1600 1.60 3.2 250 10.0 3.9 8.00 23.0 0.20 0.40 0.48 sc250-1850 1.85 3.7 250 10.0 4.3 9.25 23.0 0.165 0.33 0.40 sc250-2000 2.00 4.0 250 10.0 4.5 10.0 28.0 0.135 0.27 0.33 description features electrical parameters applicable
radial lead resettable polymer ptcs revision september 12, 2013 2 / 5 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc250 series socay electronics co., ltd. www.socay.com 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. 0.48 0.25 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) sc250-020 0.031 0.027 0.024 0.02 0.016 0.015 0.013 0.011 0.008 sc250-030 0.047 0.041 0.036 0.03 0.025 0.022 0.019 0.017 0.012 sc250-040 0.062 0.055 0.048 0.04 0.033 0.029 0.026 0.022 0.016 sc250-050 0.078 0.069 0.060 0.05 0.041 0.037 0.032 0.028 0.021 sc250-060 0.093 0.082 0.070 0.06 0.049 0.044 0.038 0.033 0.025 sc250-080 0.124 0.110 0.095 0.08 0.066 0.058 0.051 0.044 0.033 sc250-120s 0.186 0.164 0.143 0.12 0.098 0.088 0.077 0.066 0.049 sc250-160 0.248 0.219 0.190 0.16 0.131 0.117 0.102 0.088 0.064 sc250-200c 0.310 0.274 0.238 0.20 0.164 0.146 0.128 0.110 0.082 sc250-250 0.39 0.34 0.30 0.25 0.21 0.18 0.16 0.14 0.10 sc250-300 0.47 0.41 0.36 0.30 0.25 0.22 0.19 0.17 0.12 sc250-330 0.51 0.45 0.39 0.33 0.27 0.24 0.21 0.18 0.14 sc250-400 0.62 0.55 0.48 0.40 0.33 0.29 0.26 0.22 0.16 sc250-500 0.78 0.69 0.60 0.50 0.41 0.37 0.32 0.28 0.21 sc250-550 0.85 0.75 0.66 0.55 0.45 0.40 0.35 0.30 0.23 sc250-600 0.93 0.82 0.71 0.60 0.49 0.44 0.38 0.33 0.25 sc250-650 1.01 0.89 0.77 0.65 0.53 0.47 0.42 0.36 0.27 sc250-750 1.16 1.03 0.89 0.75 0.62 0.55 0.48 0.41 0.31 sc250-800 1.24 1.10 0.95 0.80 0.66 0.58 0.51 0.44 0.33 sc250-900 1.40 1.23 1.07 0.90 0.74 0.66 0.58 0.50 0.37 SC250-1000C 1.55 1.37 1.19 1.00 0.82 0.73 0.64 0.55 0.41 sc250-1100 1.71 1.51 1.31 1.10 0.90 0.80 0.70 0.61 0.45 sc250-1250c 1.94 1.71 1.49 1.25 1.03 0.91 0.80 0.69 0.51 sc250-1350 2.09 1.85 1.61 1.35 1.11 0.99 0.86 0.74 0.55 sc250-1600 2.48 2.19 1.90 1.60 1.31 1.17 1.02 0.88 0.66 sc250-1850 2.87 2.53 2.20 1.85 1.52 1.35 1.18 1.02 0.76 sc250-2000 3.10 2.74 2.38 2.00 1.64 1.46 1.28 1.10 0.82 temperature rerating chart C i hold (a)
radial lead resettable polymer ptcs revision september 12, 2013 3 / 5 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc250 series socay electronics co., ltd. www.socay.com a 0 =sc250-020 a=sc250-030 b=sc250-040 c=sc250-050 d=sc250-060 e=sc250-080 f=sc250-120s g=sc250-160 h=sc250-200c i=sc250-250 j=sc250-300 k=sc250-330 l=sc250-400 m=sc250-500 n=sc250-550 o=sc250-600 p=sc250-650 q=sc250-750 r=sc250-800 s=sc250-900 t=SC250-1000C u=sc250-1100 v=sc250-1250c w=sc250-1350 x=sc250-1600 y=sc250-1850 z=sc250-2000 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 t est procedures and requirement soldering parameter s part numbering part marking average time current curves temperature rerating curve current in amperes time in seconds percentage of rated current temperature ( c)
radial lead resettable polymer ptcs revision september 12, 2013 4 / 5 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc250 series socay electronics co., ltd. www.socay.com lead material 0.02-0.04a tin-plated copper clad steel 0.05-2.00a 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 sc , voltage, current rating figure1 figure2 figure3 figure4 a b c d lead (dia) inches mm inches mm inches mm inches mm part number figure max. max. max. max. typ. typ. max. max. inches mm packaging (bulk pack) sc250-020 figure3 0.236 6.0 0.342 8.7 0.200 5.1 0.181 4.6 0.020 0.5 1000 sc250-030 figure3 0.236 6.0 0.342 8.7 0.200 5.1 0.181 4.6 0.020 0.5 1000 sc250-040 figure3 0.236 6.0 0.366 9.3 0.200 5.1 0.181 4.6 0.020 0.5 1000 sc250-050 figure3 0.236 6.0 0.366 9.3 0.200 5.1 0.181 4.6 0.020 0.5 1000 sc250-060 figure1 0.236 6.0 0.394 10.0 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-080 figure3 0.236 6.0 0.394 10.0 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-120c figure3 0.283 7.2 0.441 11.2 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-120s figure4 0.256 6.5 0.413 10.5 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-160 figure3 0.366 9.3 0.504 12.8 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-200c figure3 0.394 10.0 0.531 13.5 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-200s figure4 0.366 9.3 0.504 12.8 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-250 figure4 0.366 9.3 0.504 12.8 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-300 figure4 0.366 9.3 0.571 14.5 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-330 figure4 0.366 9.3 0.571 14.5 0.200 5.1 0.181 4.6 0.024 0.6 1000 sc250-400 figure2 0.413 10.5 0.650 16.5 0.200 5.1 0.181 4.6 0.031 0.8 1000 sc250-500 figure2 0.465 11.8 0.689 17.5 0.200 5.1 0.181 4.6 0.031 0.8 500 sc250-550 figure2 0.465 11.8 0.689 17.5 0.200 5.1 0.181 4.6 0.031 0.8 500 sc250-600 figure2 0.465 11.8 0.689 17.5 0.200 5.1 0.181 4.6 0.031 0.8 500 sc250-650 figure2 0.551 14.0 0.720 18.3 0.200 5.1 0.181 4.6 0.031 0.8 500 dimensions physical specifications
radial lead resettable polymer ptcs revision september 12, 2013 5 / 5 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. sc250 series socay electronics co., ltd. www.socay.com a b c d lead (dia) inches mm inches mm inches mm inches mm part number figure max. max. max. max. typ. typ. max. max. inches mm packaging (bulk pack) sc250-750 figure2 0.570 14.5 0.854 21.7 0.200 5.1 0.181 4.6 0.031 0.8 500 sc250-800 figure2 0.570 14.5 0.854 21.7 0.200 5.1 0.181 4.6 0.031 0.8 500 sc250-900 figure2 0.650 16.5 0.965 24.5 0.400 10.2 0.181 4.6 0.031 0.8 200 SC250-1000C figure1 0.831 21.1 0.988 25.1 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1000s figure2 0.748 19.0 1.004 25.5 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1100 figure2 0.748 19.0 1.004 25.5 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1250c figure1 0.953 24.2 1.110 28.2 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1250s figure2 0.748 19.0 1.142 29.0 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1350 figure2 0.748 19.0 1.142 29.0 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1600 figure2 0.846 21.5 1.142 29.0 0.400 10.2 0.181 4.6 0.031 0.8 200 sc250-1850 figure2 0.984 25.0 1.142 29.0 0.400 10.2 0.181 4.6 0.031 0.8 100 sc250-2000 figure2 0.984 25.0 1.319 33.5 0.400 10.2 0.181 4.6 0.031 0.8 100 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 (c ontinue ) warning
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