surface mount resettable ptcs revision september 12, 2013 1 / 4 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. scf1210 series socay electronics co., ltd. www.socay.com the scf1210 series ptc provides surface mount over-current protection for applications where space is at a premium and resettable protection is desired. u rohs compliant, lead-free and halogen-free u fast time-to-trip u compact design saves board space u low resistance u low-profile u pc motherboard - plug and play protection u mobile phones - battery and port protection u game console port protection u usb peripherals u disk drive u pdas / digital cameras u power ports u general electronics hold current trip current rated voltage max current typical power 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 ( ) r 1max ( ) scf005-1210-r 0.05 0.15 60 100 0.60 0.25 1.50 3.600 50.000 scf010-1210-r 0.10 0.25 60 100 0.60 0.50 1.50 1.600 15.000 scf020-1210-r 0.20 0.40 30 100 0.60 8.00 0.02 0.800 5.000 scf035-1210-r 0.35 0.70 16 100 0.60 8.00 0.20 0.320 1.3000 scf050-1210-r 0.50 1.00 16 100 0.60 8.00 0.10 0.250 0.900 scf075-1210-r 0.75 1.50 8 100 0.60 8.00 0.10 0.130 0.400 scf075-24-1210r 0.75 1.50 24 100 0.60 8.00 0.10 0.130 0.400 scf110-1210r 1.10 2.20 6 100 0.80 8.00 0.30 0.060 0.210 SCF150-1210R 1.50 3.00 6 100 0.80 8.00 0.50 0.040 0.110 scf175-1210r 1.75 4.00 6 100 0.80 8.00 0.60 0.020 0.080 scf200-1210r 2.00 4.00 6 100 0.80 8.00 1.00 0.015 0.070 i hold = hold current: maximum current device will pass without tripping in 23 c still air. i trip = trip current: minimum current at which the device will trip in 23 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 23 c still air. r min = minimum resistance of device in initial (un-soldered) state. r 1max = maximum resistance of device at 23 c measured one hour after tripping. caution: operation beyond the speci ? ed rating may result in damage and possible arcing and flame. electrical parameters applicable description features
surface mount resettable ptcs revision september 12, 2013 2 / 4 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. scf1210 series socay electronics co., ltd. www.socay.com profile feature pb-free assembly average ramp-up rate (t s max to t p ) 3 c/second max. preheat : temperature min (t s min) temperature max (t s max) time ( t s min to t s max) 150 c 200 c 60 - 180 seconds time maintained above: temperature(tl) time (tl) 217 c 60-150 seconds peak/classification temperature(t p ): 260 c time within 5 c of actual peak: temperature 20-40 seconds ramp-down rate: 6 c/ second max. time 25 c to peak temperature 8 minutes max. note: all temperatures refer to of the package, measured on the package body surface. solder reflow due to lead free nature, temperature and dwelling time for the soldering zone is higher than those for regular. this may cause damage to other components. 1. recommended max past thickness > 0.25mm. 2. devices can be cleaned using standard methods and aqueous solvent. 3. rework use standard industry practices. 4. storage environment : < 30/ 60%rh caution: 1. if reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. 2. devices are not designed to be wave soldered to the bottom side of the board. a= scf005-1210-r b= scf010-1210-r c= scf020-1210-r d= scf035-1210-r e= scf050-1210-r f= scf075-1210-r/ scf075-24-1210r g= scf110-1210r h= SCF150-1210R i= scf175-1210r j= scf200-1210r terminal pad material pure tin soldering characteristics meets eia specification rs 186-9e, ansi/j-std-002 category 3 temperature rerating chart C i hold (a) soldering parameters temperature rerating curve average time current curves material specifications ramp-down preheat critical zone t l to t p time to peak temperature (t 25 to peak) t p t l t s(max) t s(min) 25 temperature ramp-up time ambient temperature ( c) fault current (a)
surface mount resettable ptcs revision september 12, 2013 3 / 4 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. scf1210 series socay electronics co., ltd. www.socay.com example a b c device nominal nominal nominal 1210 series 2.00 1.00 2.80 the dimension in the table below provide the recommended pad layout for each scf1210 device a b c d e part number min. max. min. max. min. max. min. max. min. max. scf005-1210-r 3.00 3.43 2.35 2.80 0.60 1.15 0.25 0.75 0.10 0.45 scf010-1210-r 3.00 3.43 2.35 2.80 0.60 1.15 0.25 0.75 0.10 0.45 scf020-1210-r 3.00 3.43 2.35 2.80 0.40 0.85 0.25 0.75 0.10 0.45 scf035-1210-r 3.00 3.43 2.35 2.80 0.40 0.80 0.25 0.75 0.10 0.45 scf050-1210-r 3.00 3.43 2.35 2.80 0.30 0.75 0.25 0.75 0.10 0.45 scf075-1210-r 3.00 3.43 2.35 2.80 0.30 0.70 0.25 0.75 0.10 0.45 scf075-24-1210r 3.00 3.43 2.35 2.80 0.90 1.30 0.25 0.75 0.10 0.45 scf110-1210r 3.00 3.43 2.35 2.80 0.60 1.00 0.25 0.75 0.10 0.45 SCF150-1210R 3.00 3.43 2.35 2.80 0.50 0.90 0.25 0.75 0.10 0.45 scf175-1210r 3.00 3.43 2.35 2.80 0.80 1.40 0.25 0.75 0.10 0.45 scf200-1210r 3.00 3.43 2.35 2.80 0.80 1.40 0.25 0.75 0.10 0.45 dimensions unit: mm part numbering part marking pad layouts unit: mm scf xxx C xx C 1210r device size code voltage rating current rating socay product code f75 f75 f f xx part identification logo f xx x part identification logo
surface mount resettable ptcs revision september 12, 2013 4 / 4 @ socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. scf1210 series socay electronics co., ltd. www.socay.com part number packaging option quantity scf005-1210-r tape & reel -8mm/7 tape 3000 scf010-1210-r tape & reel -8mm/7 tape 3000 scf020-1210-r tape & reel -8mm/7 tape 3000 scf035-1210-r tape & reel -8mm/7 tape 4000 scf050-1210-r tape & reel -8mm/7 tape 4000 scf075-1210-r tape & reel -8mm/7 tape 4000 scf075-24-1210r tape & reel -8mm/7 tape 3000 scf110-1210r tape & reel -8mm/7 tape 3000 SCF150-1210R tape & reel -8mm/7 tape 3000 scf175-1210r tape & reel -8mm/7 tape 3000 scf200-1210r tape & reel -8mm/7 tape 3000 u operation beyond the specified maximum ratings or improper use may result in damage and possible electrical arcing and/or flame. u pptc device are intended for occasional over-current protection. application for repeated over-current condition and/or prolonged trip are not anticipated. u avoid contact of pptc device with chemical solvent. prolonged contact will damage the device performance. warning tape and reel s pecifications packaging direction of feed 0.33 (8.4) 0.512(13.0) arbor hole diameter 7.0 (177.8) packag dimensions are in inches (and millimeters) 0. 157 (4.0) 0.059 (1.5) diameter cover tape 0. 314 (8.0) 0. 157 (4.0) 0. 212 (5.4)
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