15801 chemical lane, huntington beach, ca 92649 phone: (714) 898-0960 fax: (714) 896-0971 rhombus transformers & magnetic products industries inc. parameter units turns ratio 1ct : 1.8ct + 3% line impedance 135 w inductance 1 2.06 + 6% mh longitudinal balance 5 khz to 292 khz 50 min. db primary dc resistance pins (2-4) 2.0 max. w secondary dc resistance 2 2.0 max. w frequency response + 0.2 db 40khz - 300khz insertion loss @ 100khz 0.3 db isolation (hi-pot) 3000 v rms primary dc 100 ma return loss @ 100khz 16.5 min. db thd -75 min. db (5 khz, 6v p-p 135 w) 1. line side, pins (10-6), shorted (9+7) @ 10khz and 100 mv 2. pins (9+10) or( 7+6) www.rhombus-ind.com T-848 hdsl transformer designed for hdsl applications compatible with level one sk70704 low profile "touch tone" design a surface mount version of this transformer is available notch on bobbin indicates pin #1 position grid ( p.c. pattern, component side ) .150 ( 3.81 ) typ. .800 ( 20.32 ) .060 dia. ( 1.52 ) typ. schematic diagram line side pins 6-7, 9-10 chip side pins 2-4 primary is chip side secondary is line side physical dimensions in inches (mm) operating temp. range -40 0 c to +85 0 c surge voltage capability: metallic voltage: 800 v peak, 10/700 m s longitudinal voltage: 2400 v peak, 10/560 m s 1/22/96 sec pri
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