smt current sensors C cst series document 385-1 document 385-1 revised 11/17/11 sensed terminating volt-time part number 1 turns (n) inductance 2 dcr max (ohms) current 3 resistance r t 4 product 5 color cst1 cst2 pri : sec min (h) primary secondary i in (a) (ohms) (v-sec) dot cst1-020l_ cst2-020l_ 1 : 20 81 0.0007 0.400 10 2.0 16 red cst1-030l_ cst2-030l_ 1 : 30 180 0.0007 0.870 10 3.0 24 orange cst1-040l_ cst2-040l_ 1 : 40 320 0.0007 1.14 10 4.0 32 yellow cst1-050l_ cst2-050l_ 1 : 50 500 0.0007 1.50 10 5.0 41 green cst1-060l_ cst2-060l_ 1 : 60 730 0.0007 1.98 10 6.0 49 blue cst1-070l_ cst2-070l_ 1 : 70 980 0.0007 4.75 10 7.0 57 violet cst1-100l_ cst2-100l_ 1 : 100 2000 0.0007 5.50 10 10.0 81 gray cst1-125l_ cst2-125l_ 1 : 125 3000 0.0007 6.50 10 12.5 101 black 1. when ordering, please specify termination and packaging codes: cstx-125 lc termination: l = rohs compliant tin-silver over tin over nickel over phos bronze (pins 1 C 6); rohs compliant tin-silver over tin over nickel over copper (pins 7 C 8) special order: s = non-rohs tin-lead (63/37) over tin over nickel over phos bronze (pins 1 C 6); nonrohs tin- lead over gold over nickel over copper (pins 7 C 8). packaging: c = 7 machine-ready reel. eia-481 embossed plastic tape (250 parts per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter c instead. d = 13 machine-ready reel. eia-481 embossed plastic tape (1000 parts per full reel). 2. inductance measured between secondary pins at 100 khz, 0.1 vrms. 3. primary current of 10 a causes approximately 25c temperature rise from 25c ambient. higher current causes a greater temperature rise (see temperature rise vs current curve). 4. terminating resistance (r t ) value is based on 1 volt output with 10 amps fowing through the primary. varying terminating resistance increases or decreases output voltage/ampere according to the fol - lowing equation: r t (ohms) = v out n sec / i in. 5. maximum volt-time product for the secondary. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. designers kit c389 contains 2 each of each part core material ferrite terminations see note 1. weight 0.4 g ambient temperature C40c to +125c storage temperature component: C40c to +125c. tape and reel packaging: C40c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 250/7 reel;1000/13 reel; plastic tape: 16 mm wide, 0.35 mm thick, 12 mm pocket spacing, 5.6 mm pocket depth pcb washing only pure water or alcohol recommended ? for use from 50 khz to nearly 1 mhz ? two different pinouts to meet the requirements of different applications. ? low primary dc resistance; 500 v isolation between windings. typical circuits cst1 cst2 8 sec (n tur ns) pr i (1 tur n) 7 6 4 r t v out i in 1 3 8 sec (n tur ns) pr i (1 tur n) 7 r t v out i in specifcations subject to change without notice. please check our website for latest information. us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
dimensions document 385-2 document 385-2 revised 11/17/11 temperature rise vs current pinouts 0.079 0.008 2,0 0,2 0.073 0.008 1,85 0,2 0.023 0.008 0,6 0,2 0.320 8,13 color dot by pin 1 indicates par tn umber max 0.004 / 0,10 0.047 1,2 0.118 3,0 0.051 1,3 0.051 1,3 0.063 1,6 0.098 2,5 0.106 2,7 0.073 1,85 recommended land p attern 0.315 8,0 0.235 5,97 max max 0.245 6,22 0.209 5,3 max max 80 70 60 50 40 30 20 0 10 t emperature r ise (f ro m 2 5c) current (a rms) 4 2 08 61 2 10 16 18 14 20 8 7 3 4 1 6 7 8 3 4 1 6 cst1 bottom vie w bottom vie w cst2 us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation. cst series current sensors
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