? coilcraft, inc. 2005 miniature flyback transformers for poe document 402-1 specifications subject to change without notice. document 402-1 revised 10/12/04 1. when ordering, please specify packaging code: poe60d-12 d packaging: d =13 machine-ready reel. eia-481 embossed plastic tape (400 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 measured at 250 khz, 0.5 vrms. 3. peak primary current drawn at minimum input voltage. 4. leakage inductance is for the primary winding with the secondary winding shorted. 5. designed to remain in continuous mode operation at power levels of 3 watts and above. 6. operating temperature range ?40c to +125c. 7. electrical specifications at 25c. inductance inductance leakage part power at 0 a 2 at i pk 3 dcr max (ohms) inductance 4 turns ratio i pk 3 secondary number 1 (w) 10% (h) min (h) pri sec bias max (h) pri/sec pri/bias (a) output continuous mode 5 poe60c-18_ 6 167.0 150.3 0.303 0.017 0.570 7.8 16 2.9 0.62 1.8 v, 3.3 a poe60c-25_ 6 177.0 159.3 0.353 0.027 0.660 7.0 12 3.0 0.60 2.5 v, 2.4 a poe60c-33_ 6 184.0 165.6 0.286 0.026 0.515 4.0 10 3.0 0.57 3.3 v, 1.8 a poe60c-50_ 6 193.0 173.7 0.344 0.043 0.660 8.0 7 2.9 0.55 5.0 v, 1.2 a poe60c-12_ 6 204.0 183.6 0.293 0.083 0.545 5.8 3 3.0 0.52 12.0 v, 0.5 a discontinuous mode poe60d-18_ 6 75.0 67.5 0.311 0.018 0.575 6.7 16 2.9 1.0 1.8 v, 3.3 a poe60d-25_ 6 80.0 72.0 0.219 0.017 0.388 5.0 12 3.0 0.95 2.5 v, 2.4 a poe60d-33_ 6 85.0 76.5 0.285 0.026 0.530 4.0 10 3.0 0.90 3.3 v, 1.8 a poe60d-50_ 6 90.0 81.0 0.271 0.033 0.529 3.1 7 2.8 0.85 5.0 v, 1.2 a poe60d-12_ 6 95.0 85.5 0.265 0.074 0.484 2.4 3 3.0 0.80 12.0 v, 0.5 a 11,10 5,4 1 3,2 6 9,8 primary secondary bias with a footprint roughly 16.5 mm square and with a height less than 7.5 mm, these are very space-efficient power over ethernet (poe) transformers. they are designed for 6 watt, ieee 802.3af-compliant applica- tions for powered devices (pd). these transformers feature interleaved primary and secondary windings to minimize leakage inductance, and a separate bias winding. isolation is 1500 vrms between the primary and secondary windings. there are versions for continuous and discontinuous modes of operation, each designed to operate at a 250 khz switching frequency. input is 36 ? 72 volts and the output of the bias winding is 12 v, 0.2 a. coilcraft designer?s kit c 182 contains samples of all parts. to order, contact coilcraft or visit http://order.coilcraft.com to purchase on-line.
? coilcraft, inc. 2005 miniature flyback transformers for poe document 402-2 specifications subject to change without notice. document 402-2 revised 10/12/04 112 12 1 7 6 recommended land pattern 0.642 16,30 0.661 16,80 0.575 14,60 0.472 12,00 0.291 7,40 0.512 13,0 0.098 2,50 0.069 1,75 0.098 2,50 0.028 0,70 0.098 2,50 max dot indicates pin 1 max max 0.004 / 0,10 0.709 18,0 poe-60d-xx tape and reel: 400/13 reel 32 mm tape width for packaging data see tape and reel specifications section.
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