SC250-145

Radial Lead Resettable Polymer PTCs SC250 Series Description SC250 Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically used in AC220V. Features     0.02-2.0A hold current rating 250VAC operating voltage Fast time-to- trip RoHS compliant, Lead-Free and Halogen-Free Applications    AC220V over-current protection Power ports Customer Premises Equipment(CPE) Electrical Parameters Part Number I hold (A) I trip (A) V max (Vac) SC250-020 SC250-030 SC250-040 SC250-050 SC250-060 SC250-080 SC250-120C SC250-120S SC250-160 SC250-200C SC250-200S SC250-250 SC250-300 SC250-330 SC250-400 SC250-500 SC250-550 SC250-600 SC250-650 SC250-750 SC250-800 SC250-900 SC250-1000C SC250-1000S SC250-1100 SC250-1250C SC250-1250S SC250-1350 SC250-1600 SC250-1850 SC250-2000 0.02 0.03 0.04 0.05 0.06 0.08 0.12 0.12 0.16 0.20 0.20 0.25 0.30 0.33 0.40 0.50 0.55 0.60 0.65 0.75 0.80 0.90 1.00 1.00 1.10 1.25 1.25 1.35 1.60 1.85 2.00 0.04 0.06 0.08 0.10 0.12 0.16 0.24 0.24 0.32 0.40 0.40 0.50 0.60 0.66 0.80 1.0 1.1 1.2 1.3 1.5 1.6 1.8 2.0 2.0 2.2 2.5 2.5 2.7 3.2 3.7 4.0 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 I max (A) P dtyp. (W) 1.0 1.0 1.0 1.0 1.2 1.2 1.2 1.2 2.0 3.0 3.0 3.5 4.5 4.5 5.5 6.5 7.0 6.0 6.5 7.5 8.0 9.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 0.6 0.6 0.7 0.7 0.8 0.8 1.0 1.0 1.4 1.5 1.5 1.5 1.7 1.7 2.0 2.5 2.5 2.5 2.6 2.6 2.7 2.8 2.9 2.9 3.1 3.3 3.3 3.5 3.9 4.3 4.5 SOCAY Electronics Corp., Ltd. Revision November 23, 2017 Maximum Time To Trip Current Time (A) (Sec.) 0.10 8.0 0.15 5.0 0.20 6.0 0.25 5.0 0.30 5.0 0.40 5.0 0.60 5.0 0.60 5.0 0.80 15.0 1.00 9.0 1.00 9.0 1.25 7.0 1.50 8.0 1.65 8.0 2.00 9.0 2.50 10.0 2.75 9.0 3.00 8.0 3.25 12.0 3.75 18.0 4.00 18.0 4.50 18.0 5.00 21.0 5.00 21.0 5.50 21.0 6.25 23.0 6.25 23.0 6.75 23.0 8.00 23.0 9.25 23.0 10.0 28.0 Resistance R min (Ω) 60.0 35.0 25.0 22.0 18.0 11.0 6.0 6.0 3.5 3.0 3.0 2.2 1.8 1.6 1.35 0.90 0.80 0.75 0.65 0.55 0.50 0.45 0.37 0.37 0.33 0.27 0.27 0.25 0.20 0.165 0.135 R max (Ω) 150.0 90.0 65.0 55.0 45.0 22.0 12.0 12.0 7.8 6.5 6.5 5.0 4.0 3.6 3.00 2.00 1.65 1.50 1.30 1.10 1.00 0.90 0.75 0.75 0.66 0.55 0.55 0.50 0.40 0.33 0.27 R 1max (Ω) 200.0 120.0 90.0 75.0 60.0 33.0 16.0 16.0 10.4 8.0 8.0 6.0 4.8 4.3 3.6 2.4 2.0 1.8 1.6 1.3 1.2 1.1 0.90 0.90 0.80 0.66 0.66 0.60 0.48 0.40 0.33 www.socay.com 1/5 @ SOCAY Electronics Corp., Ltd. 2017 Specifications are subject to change without notice. Please refer to www.socay.com for current information. Radial Lead Resettable Polymer PTCs SC250 Series 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 that can be safely placed across a device in its tripped state under specified fault conditions. I max= Maximum fault current device can withstand without damage at rated voltage (Vmax) Pdtyp.= 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 specified rating may result in damage and possible arcing and flame. 0.48 0.25 Temperature Rerating Chart – I hold (A) Ambient Operation Temperature Part Number -40°C -20°C 0°C 25°C SC250-020 0.031 0.027 0.024 0.02 SC250-030 0.047 0.041 0.036 0.03 SC250-040 0.062 0.055 0.048 SC250-050 0.078 0.069 0.060 SC250-060 0.093 0.082 SC250-080 0.124 SC250-120C 40°C 50°C 60°C 70°C 85°C 0.016 0.015 0.025 0.022 0.013 0.011 0.008 0.019 0.017 0.012 0.04 0.033 0.05 0.041 0.029 0.026 0.022 0.016 0.037 0.032 0.028 0.070 0.06 0.021 0.049 0.044 0.038 0.033 0.110 0.095 0.025 0.08 0.066 0.058 0.051 0.044 0.186 0.164 0.033 0.143 0.12 0.098 0.088 0.077 0.066 SC250-120S 0.186 0.049 0.164 0.143 0.12 0.098 0.088 0.077 0.066 SC250-160 0.049 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 SC250-200S 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 SC250-1000S 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 SC250-1250S 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 Hold Current (A) SOCAY Electronics Corp., Ltd. Revision November 23, 2017 www.socay.com 2/5 @ SOCAY Electronics Corp., Ltd. 2017 Specifications are subject to change without notice. Please refer to www.socay.com for current information. Radial Lead Resettable Polymer PTCs SC250 Series Temperature Rerating Curve Time in Seconds Percentage of Rated Current Average Time Current Curves Temperature (°C) Current in Amperes A0=SC250-020 A=SC250-030 B=SC250-040 C=SC250-050 D=SC250-060 E=SC250-080 F=SC250-120S/C G=SC250-160 H=SC250-200C/S 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/S U=SC250-1100 V=SC250-1250C/S W=SC250-1350 X=SC250-1600 Y=SC250-1850 Z=SC250-2000 Test Procedures and Requirement Test Test Conditions Accept/Reject Criteria Resistance In still air @25±2°C Rmin≤R≤Rmax Hold Current 60 min, at Ihold, In still air @25±2°C No trip Time to Trip Specified current, Vmax, @25±2°C T≤Maximum Time To Trip Trip Cycle Life Vmax, Imax,100 cycles No arcing or burning Trip Endurance Vmax,24hours No arcing or burning Soldering Parameters 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 Part Numbering Part Marking SOCAY Electronics Corp., Ltd. Revision November 23, 2017 Cooling by natural convection in air www.socay.com 3/5 @ SOCAY Electronics Corp., Ltd. 2017 Specifications are subject to change without notice. Please refer to www.socay.com for current information. Radial Lead Resettable Polymer PTCs SC250 Series Physical Specifications 0.02-0.04A Tin-plated Copper clad steel 0.05-2.00A Tin-plated Copper Lead Material Soldering Characteristics Solder ability per MIL-STD-202, Method 208E Insulating Material Cured, flame retardant epoxy polymer meets UL 94V-0 requirements. Device Labeling Marked with ‘SC’, voltage, current rating Dimensions Figure1 Figure2 A Part Number Figure Figure3 B Figure4 C D Lead (dia) Inches mm Inches mm Inches mm Inches mm Max. Max. Max. Max. Typ. Typ. Max. Max. Packaging Inches mm (Bulk Pack) SC250-020 Figure3 0.236 6.0 0.342 8.7 0.200±0.020 5.1±0.5 0.181 4.6 0.020 0.5 1000 SC250-030 Figure3 0.236 6.0 0.342 8.7 0.200±0.020 5.1±0.5 0.181 4.6 0.020 0.5 1000 SC250-040 Figure3 0.236 6.0 0.366 9.3 0.200±0.020 5.1±0.5 0.181 4.6 0.020 0.5 1000 SC250-050 Figure3 0.236 6.0 0.366 9.3 0.200±0.020 5.1±0.5 0.181 4.6 0.020 0.5 1000 SC250-060 Figure1 0.236 6.0 0.394 10.0 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-080 Figure3 0.236 6.0 0.394 10.0 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-120C Figure3 0.283 7.2 0.441 11.2 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-120S Figure4 0.256 6.5 0.413 10.5 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-160 Figure3 0.366 9.3 0.504 12.8 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-200C Figure3 0.394 10.0 0.531 13.5 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-200S Figure4 0.366 9.3 0.504 12.8 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-250 Figure4 0.366 9.3 0.504 12.8 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-300 Figure4 0.366 9.3 0.571 14.5 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-330 Figure4 0.366 9.3 0.571 14.5 0.200±0.020 5.1±0.5 0.181 4.6 0.024 0.6 1000 SC250-400 Figure2 0.413 10.5 0.650 16.5 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 1000 SC250-500 Figure2 0.465 11.8 0.689 17.5 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SC250-550 Figure2 0.465 11.8 0.689 17.5 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SC250-600 Figure2 0.465 11.8 0.689 17.5 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SC250-650 Figure2 0.551 14.0 0.720 18.8 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SOCAY Electronics Corp., Ltd. Revision November 23, 2017 www.socay.com 4/5 @ SOCAY Electronics Corp., Ltd. 2017 Specifications are subject to change without notice. Please refer to www.socay.com for current information. Radial Lead Resettable Polymer PTCs SC250 Series Dimensions (Continue) A Part Number Figure B C D Lead (dia) Inches mm Inches mm Inches mm Inches mm Max. Max. Max. Typ. Typ. Max. Max. Packaging Inches mm (Bulk Pack) SC250-750 Figure2 0.570 14.5 0.854 Max . 22.2 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SC250-800 Figure2 0.570 14.5 0.854 22.2 0.200±0.020 5.1±0.5 0.181 4.6 0.031 0.8 500 SC250-900 Figure2 0.650 16.5 0.965 24.5 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1000C Figure1 0.831 21.1 0.988 25.1 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1000S Figure2 0.748 19.0 1.004 25.5 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1100 Figure2 0.748 19.0 1.004 25.5 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1250C Figure1 0.953 24.2 1.110 28.2 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1250S Figure2 0.748 19.0 1.142 29.0 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1350 Figure2 0.748 19.0 1.142 29.0 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1600 Figure2 0.846 21.5 1.142 29.0 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 200 SC250-1850 Figure2 0.984 25.0 1.142 29.0 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 100 SC250-2000 Figure2 0.984 25.0 1.319 33.5 0.400±0.020 10.2±0.5 0.181 4.6 0.031 0.8 100 Warning  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.  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.  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.  In most application, power must be removed and the fault condition cleared in order to reset a PPTC device.  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.  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. SOCAY Electronics Corp., Ltd. Revision November 23, 2017 www.socay.com 5/5 @ SOCAY Electronics Corp., Ltd. 2017 Specifications are subject to change without notice. Please refer to www.socay.com for current information.