shdsl specifications rev. um model no.: ut20345s shdsl transformer , approved by infineon for shdsl socrates - bis family (PEF22624 / 24624) a1 2004 / 52 electrical specification at 25 o c : 1.)turns ratio and polarity : 4.5 : 1 ? 2 % , pin(1 - 3 - 2 - 4):(8 - 5) . 2.)d.c.r. : 7.00 ? max. , pin(1 - 3 - 2 - 4) . : 1.30 ? max. , pin(8 - 5) . 3.)inductance : 3.0mh ? 10% , at 10khz 100mv , pin(1 - 3 - 2 - 4) . 4. ) leakage inductance : 20 uh max. , at 100 khz 100mv ,pin(1 - 3 - 2 - 4) ; pin(8 - 5) shorted . 5.)cw/w : 40pf max. ,at 100 khz 100mv ,p in(1 - 3 - 2 - 4):(8 - 5) . 6.)t.h.d. : - 74db max. ,at 5khz 4v (135:6.7ohms) . 7.)hi - pot test : 1500vac 60s or 1875vac 1s , pin1&2 to 8 . note: the transformer meets the specifications for supplementary insulation per iec 950 with working voltage of 250v. sc hematic diagram & dimension: note: 1.packaging information - tape and reel according to item no. tkh7j of data sheet 01 - 00 2. patent core type (usa and foreign ,us patent no. 6,501,362) 3.specifications are subject to change without prior notice. unit : mm tolerances : ? 0.2mm the information contained in this specification is the sole property of umec, ltd. any reproduction or use without the written permission of umec. ltd. is prohibited. tkh7 j-lead pin pitch 2.5mm 8.6 ~ 9.3 6.77 ref. 4 5 suggested p.c.b. layout 1 8 1 dot pin 1 index 8 5 4 2 3 ut20345s umec line side ic side umec gmbh umec elektronische komponenten gmbh kreuzenstra?e 80 z d-74076 heilbronn tel. 07131/7617-0 z fax 07131/7617-20 www.umec.de
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