? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. flyback transformers document 522 -1 document 522-1 revised 10/29/08 1. when ordering, please specify packaging code: poe300f-50l d 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 250 khz, 0.7 vrms, 0 adc. 3. peak primary current drawn at minimum input voltage. 4. dcr is with the windings connected in parallel. 5. leakage inductance is for the primary winding with the secondary windings shorted. 6. turns ratio is with the primary and the secondary windings connected in parallel. 7. output is with the secondary windings connected in parallel. output of the auxiliary winding is 12 v 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) inductance 5 turns ratio 6 i pk 3 number 1 10% (h) min (h) pri 4 sec 4 aux max (h) pri : sec pri : aux (a) output 7 poe300f-33l_ 42.0 37.8 0.070 0.0023 0.220 3.00 1 : 0.09 1 : 0.33 2.6 3.3 v, 9 a poe300f-50l_ 42.0 37.8 0.069 0.0050 0.225 1.60 1 : 0.14 1 : 0.33 2.6 5 v, 6 a poe300f-12l_ 42.0 37.8 0.061 0.015 0.195 0.545 1 : 0.33 1 : 0.33 2.6 12 v, 2.5 a poe300f-19l_ 42.0 37.8 0.060 0.037 0.195 0.430 1 : 0.56 1 : 0.33 2.6 19.5 v, 1.5 a poe300f-24l_ 42.0 37.8 0.060 0.055 0.195 0.310 1 : 0.67 1 : 0.33 2.6 24 v, 1.25 a 1 2 3 4 9 8 7 12 11 10 aux pri sec 6 5 the primary windings and the secondary windings are to be connected in parallel on the pc board. designer?s kit c398 contains three samples of each part. core material ferrite terminations rohs tin-silver over tin over nickel over phos bronze. other terminations available at additional cost. weight 11.9 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 ? designed to meet 30 w poe ieee 802.3at-2009 standard. ? operates at 250 khz with 36 ?7 2 volts input. ? isolation: 1500 vrms pri to sec; 500 vrms pri to aux for 30 watt poe applications
? coilcraft, inc. 2010 flyback transformers for poe plus C poe300f specifications subject to change without notice. please check our website for latest information. document 522-2 document 522-2 revised 10/29/08 0.930 23,62 0.130 3,30 0.050 1,27 0.118 3,0 1 0.450 11,43 1.181 30,00 0.827 21,0 0.810 20,57 0.969 24,6 0.084 2,13 0.028 0,72 0.118 3,0 max max max 1 1 12 12 6 6 7 7 recommended land pattern 0.004 /0,10 poe300f-xxx dot indicates pin 1 dimensions are in inches mm
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