rhombus transformers & magnetic products industries inc. name: sheet: date: rhombus p/n: cust p/n: 15801 chemical lane, huntington beach, ca 92649-1595 phone: (714) 898-0960 fax: (714) 896-0971 www.rhombus-ind.com parameter min. max. units open circuit inductance 200 m h leakage inductance 0.7 m h interwinding capacitance (c w/w ) 15 pf primary dc resistance 0.4 ohms secondary dc resistance 0.8 ohms isolation (hi-pot) 4000 v rms 1 of 1 T-1481G 10/05/01 10base-t interface transformer reinforced insulation per en 41003/en 60950 turns ratio ( + 5% ) 1ct:2.5ct preliminary! physical dimensions inches (mm) schematic diagram .020 (0.51) typ. .100 (2.54) .560 (14.22) max. .400 (10.16) max. .110 (2.79) typ. .035 (0.89) .740 (18.80) .710 (18.03) .010 (0.25) typ. typ. typ. .560 (14.22) max. 8 3 1 10 6 5 pri sec 1 5 10 6 meets iee 802.3 and ansi x3.263 standards. transformer can be used for transmit or receive side. flammability: materials used in the production of these units meet requirements of ul94-vo and iec 695-2-2 needle flame test. 0.5mm minimum insulation thickness between primary and secondary. parts shipped in anti-static tubes. 31 pieces per tube operating temperature range: -40 0 c to +85 0 c
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