15801 chemical lane, huntington beach, ca 92649 phone: (714) 898-0960 fax: (714) 896-0971 rhombus transformers & magnetic products industries inc. name: sheet: date: rhombus p/n: cust p/n: www.rhombus-ind.com 1 3 6 4 modem coupling transformer (compatible with v.32 applications) 1 of 1 11/3/00 T-31100 electrical specifications at 25 o c parameter units impedance pri. 600 w r load sec. 530 w turns ratio 1:1 direct current in pri. (dci) maximum 0ma dc resistance pri. + 10% 38 w sec. + 10% 48 w insertion loss @ 1 khz 0.85 db return loss min., 300 hz - 3 khz 25 db longitudinal balance min., 200 hz to 1 khz 70 db frequency response 300 hz to 3 khz + 0.2 db single harmonic distortions typ. -71 db isolation minimum 1500 v rms schematic diagram physical dimensions inches (mm) .200 (5.08) typ. .780 (19.8) .470 (11.9) .800 (20.32) .025 (0.64) dia. 1.20 (30.5) 1 2 3 6 5 4 unused pin #2 omitted
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