bothhand usa. e - mail: sales@bothhandusa.com http://www.bothhandusa.com 20 pin dip ethernet 10/100 base dual port transformer p/n: 20PT1021G data sheet page : 1 / 1 462 boston st - topsfield, ma 01983 - phone: 978 - 887 - 8050 - fax: 978 - 887 - 5434 a5(02/06) feature l ieee 802.3 ethernet compatible, 100 base - tx. l 20 pin dip package compatible with popular ic chips. l design for multiport repeater and ethernet switching h ub app lication. l customer designs available for specific application. l operating temperature range : 0 c to + 70 c . l storage temperature range: - 25 c to +125 c . electrical specifications @ 25c turns ratio (5%) part number tx rx ocl( h min) @100khz/0.1vrms 8ma dc/bias l.l ( h max) cw/w (pf max) rise time (ns typ) dcr ( tx /rx ) ( max) hi - pot (vrms) 20PT1021G 1ct:1ct 1:1 350 0.5 28 2.5 0.9 1500 continue insertion loss (db max) return loss (db min) cross talk (db min) dcmr (db min) part number 0.3 ? 100mhz 0.3 - 30mhz 30 - 60mhz 60 - 80mhz 0.3 - 100mhz 0.3 - 100mhz 20PT1021G - 1.15 - 18 - 14 - 12 - 38 - 40 schematic mechanical
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