flyback transformer document 734 document 734 revised 12/16/11 1. inductance is measured at 100 khz, 0.1 vrms. 2. peak primary current drawn at minimum input voltage. 3. dcr is with the windings connected in parallel. 4. leakage inductance is for both windings of the primary with the second - ary windings shorted. inductance inductance dcr max leakage volt-time part at 0 a 1 at i pk 2 (ohms) 3 inductance 4 turns ratio 5 i pk 2 product number 10% (h) min (h) pri sec max (h) pri : sec (a) typ (v sec) ha4060-al 300 270 0.422 1.58 2.7 1 : 3 2.0 600 core material ferrite terminations rohs tin-silver over tin over nickel over phos bronze. other terminations available at additional cost. weight 23.8 g ambient temperature C40c to +85c storage temperature component: C40c to +85c. tray 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 24 per tray pcb washing tested with pure water or alcohol only. for other solvents, see doc787_pcb_washing.pdf. ? flyback transformer for the linear technology lt3751 capacitor charger controller ? 120 C 377 v input; up to 500 v output ? 3000 vrms isolation from primary to secondary windings primary windings and second - ary windings to be connected in parallel on pc board. for linear technology lt3751 capacitor charger controller dimensions are in inches mm 8 2 12 5 1 11 pr i sec 6 7 0.551 14,0 1.350 34,29 max 0.004 / 0,10 max recommended land p attern 1.053 26,75 1.024 26,0 0.148 3,75 0.148 3,75 0.079 2,00 0.039 1,00 max 12 1 1 1.10 28,2 0.108 2,75 dot indicates pin 1 12 ha4060- al xxxx y pa r ts manuf actured pr ior to december 2011 ma y be mar k ed diff erently . 5. turns ratios are with the primary and secondary windings connected in parallel. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. 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.
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