rhombus transformers & magnetic products industries inc. 15801 chemical lane, huntington beach, ca 92649 phone: (714) 898-0960 fax: (714) 896-0971 05/26/99 www.rhombus-ind.com 9 7 1 4 2 5 schematic diagram physical dimensions inches (mm) transformer p/n T-1050 designed for hdsl applications compatible with brooktree bt8970 and bt8973, at 1168 kbps materials used in construction of this component meet or exceed ul class b and can be operated up to 130 o c. a surface mount version of this transformer is available. notch on bobbin indicates terminal #1 parameter min. typ. max. units inductance pins (1-5), shorted 2,4 1.8 2.0 2.2 mh leakage inductance 87 95 m h interwinding capacitance 32 40 pf dc resistance pins (1-5) 3.1 3.41 w shorted 2-4 dc resistance pins (9-7) 1.8 1.9 w hi-pot pins (1,5) to (9,7) 2000 v rms d.c. current, pins (1-5), shorted 2,4 250 ma turns ratio pri : sec (+ 2%) 2ct : 1
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