1.27 (0.05) 0.76 (0.030) 13.97 (0.55) 17.62 (0.694) 13.96 (0.550) 16.51 (0.650) 12.20 (0.480) 16.00 (0.630) 1.91 (0.075) 6.00 (0.236) 0.30 ?0.15 (0.012 ?0.006) 0.90 (0.035) 8? 0.46 (0.018) 1.27 (0.05) pin 1 bourns pt61020l date code 1 2 3 tct1 td1+ td1- 24 23 22 mct1 mx1+ mx1- 1ct:1 4 5 6 tct2 td2+ td2- 21 20 19 mct2 mx2+ mx2- 1ct:1 7 8 9 tct3 td3+ td3- 18 17 16 mct3 mx3+ mx3- 1ct:1 10 11 12 tct4 td4+ td4- 15 14 13 mct4 mx4+ mx4- 1ct:1 features compliant with ieee802.3ab draft standards for 1000 base-t designed for long haul gigabit ethernet 10/100/1000 base-t full duplex applications low pro le surface mount packaging designed for re ow process (245 ?peak) supports 4 pairs of category 5 utp cables rohs compliant* applications lan ethernet pt61020l lan 10/100/1000 base-t transformer modules *rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. electrical speci cations @ 25 ? inductance .......................... 350 h min. with 8 ma dc bias @ 100 khz, 0.2 v leakage inductance .......... 0.50 h max. @ 100 khz, 0.2 v interwinding capacitance .......25 pf typ. @ 100 khz, 0.2 v dc resistance .................... 0.90 max. insertion loss ..................... 0.3-100 mhz -1.1 db max. return loss (db min.) 0.3-30 mhz .....................................-18 40 mhz.........................................-14.4 50 mhz.........................................-13.1 60-80 mhz ......................................-12 cross talk (db min.) 0.3-30 mhz .....................................-35 60-100 mhz ....................................-28 common mode rejection (db min.) 0.3-30 mhz .....................................-40 60 mhz............................................-35 80-100 mhz ....................................-30 turns ratio ...........................1 ct:15 % poe current ........... up to 640 ma for 1000 base-t isolation hi-pot....1500 vac 1 ma 1 sec. operating temperature .................................. -40 c to +85 c PT61020EL is extended temperature version of pt61024l. product dimensions electrical schematic rev. 06/11 dimensions: mm (inches) recommended layout packaging speci cations tape & reel ....................... 400 pcs./reel how to order pt61020e l model termination l = tin only (rohs compliant) tolerances: 0.25 (.010) *rohs compliant
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