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  ? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. flyback transformers document 853 document 853 revised 05/18/10 1. when ordering, please specify termination and packaging codes: ha3809-a ld termination: l = rohs tin -silver over tin over nickel over phos bronze. special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). packaging: d =13 machine-ready reel. eia-481 embossed plastic tape (175 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 d instead. 2. inductance is for the primary, measured at 300 khz, 0.7 vrms. for the ga3568-ad inductance is per winding. 3. peak primary current drawn at minimum input voltage. 4. dcr for the secondary is with the windings connected in parallel. for ga3568-ad dcr for the primary is with both windings connected in parallel. 5. leakage inductance is for the primary windings with the secondary windings shorted. 6. turns ratios are for the full primary (pni 3 to pin 1) and with the secondary windings connected in parallel. 7. output of the secondary is with the windings connected in parallel. bias winding output is 5 v, 20 ma. 8. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. inductance inductance leakage part at 0 a 2 at i pk 3 dcr max (ohms) 4 inductance 5 turns ratios 6 i pk 3 number 1 10% (h) min (h) pri sec bias sync max (h) pri : sec pri : bias pri : sync (a) output 7 ga3568-dl_ 60 54 0.132 0.0055 0.220 0.200 1.20 1 : 0.167 1 : 0.29 1 : 0.29 2.6 3.3 v, 9.1 a ha3809-al_ 30 25 0.042 0.010 0.165 0.165 0.680 1 : 0.176 1 : 0.29 1 : 0.29 3.9 3.3 v, 9.1 a core material ferrite terminations rohs tin-silver over tin over nickel over phos bronze. other terminations available at additional cost. weight 11.4 ? 11.8 g ambient temperature ?40c to +125c storage temperature component: ?40c to +125c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor 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 175 per 13 reel plastic tape: 44 mm wide, 0.4 mm thick, 32 mm pocket spacing, 11.9 mm pocket depth pcb washing only pure water or alcohol recommended ? flyback transformers for ieee802.3at poe applications ? input voltage ga3568: 36 ? 57 v; ha3809: 10 ? 57 v ? 1500 vrms isolation from primary and bias to secondary and sync windings. for akros as1135 poe controller secondary windings to be connected in parallel on pc board. dimensions are in inches mm primary windings and secondary windings to be connected in parallel on pc board. ga3568-dl ha3809-al 3 511 1 612 pri bias sync sec 8 7 9 10 3 4 511 1 2 612 pri bias sync sec 8 7 9 10 0.130 3,30 0.050 1,27 1 0.425 10,80 0.080 2,03 1.181 30,00 0.827 21,00 0.810 20,57 0.969 24,60 0.930 23,62 0.028 0,711 0.118 3,0 0.118 3,0 max dot indicates pin 1 max max 112 6 7 recommended land pattern 0.004 /0,10 112 6 7 xxxxx x -l


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