? coilcraft, inc. 2009 specifications subject to change without notice. please check our website for latest information. flyback transformer document 409 document 409 revised 10/28/08 1. when ordering, please specify packaging code: c1099-al d packaging: d =13 machine ready reel. eia-481 embossed plastic tape (200 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, 1.0 vrms. 3. peak primary current drawn at minimum input voltage. inductance inductance leakage part at 0 a 2 at i pk 3 dcr max (ohms) 4 inductance 5 turns ratio 6 i pk 3 number 1 5% (h) min (h) pri sec bias max ( h) pri : sec pri : bias (a) output 7 c1099-al 133.0 126.0 0.283 0.013 0.480 3.5 1 : 0.13 1 : 0.57 0.9 3.3 v, 2.5 a 1 12 ? primary 11 2 ? primary 10 3 bias secondary 8 5 6 7 for maxim max5941a poe interface/pwm controller 0.865 21,97 0.590 14,98 0.677 17,20 0.028 0,72 max dot indicates pin 1 c1099-a max 1 12 6 7 0.135 3,43 0.07 1,79 112 0.665 16,88 0.098 2,5 0.098 2,5 recommended land pattern 0.335 8,51 0.079 2,01 0.693 17.60 max 0.004 /0,10 4. primary dcr is measured with the windings connected in series. secondary dcr is measured with the windings connected in parallel. 5. leakage inductance is for the primary winding with the secondary winding shorted. 6. turns ratio is for the primary connected in series and the secondary connected in parallel. 7. output of the secondary is with the windings connected in parallel. bias winding output is 14 v. 8. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. primary windings to be connected in series and secondary windings to be connected in parallel on the pc board. core material ferrite terminations rohs tin-silver over tin over nickel over phos bronze. other terminations available at additional cost. weight 5.7 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 200 per 13 reel plastic tape: 44 mm wide, 0.37 mm thick, 28 mm pocket spacing, 9.0 mm pocket depth pcb washing only pure water or alcohol recommended ? designed for ieee 802.3af-compliant poe applications ? operates with 32 ? 56 volts input ? 1500 vrms isolation between the primary and the secondary
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