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 07/02/98 1 of 1 10base-t/ethernet isolation transformer turns ratio ( + 5% ) 1:1 T-10903 physical dimensions all dimensions in inches (mm): parameter min. max. units open circuit inductance 60 90 m hy leakage inductance 0.2 m hy interwinding capacitance (c w/w )10pf rise time 3 ns et 2.3 v m s primary dc resistance 0.25 ohms secondary dc resistance 0.25 ohms high potential test 2000 v rms test conditions: oscillation voltage = 20mv oscillation frequency = 100.0 khz triple style (3 transformers per package) ieee 802.3 (10 base 2, 10 base 5) & ecma compatible flammability: materials used in the production of these units meet requirements of ul94-vo and iec 695-2-2 needle flame test. parts shipped in anti-static tubes. 19 pieces per tube surface mount version of this part available. part# T-10903g schematic diagram:
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