isdn s-interface low profile dual smt transformers rohs peak reflow temperature rating 245c meets pulse waveform template of ccitt i.430 when recommended transformer and chip pair are used excellent longitudinal balance 2 kvrms isolation voltage available in tape & reel or tube packaging ul recognized www.pulseeng.com 1 t613.c (10/09) electrical specifications @ 25c ? operating temperature 0c to 70c rohs compliant part number ratio a (2%) ocl pri (mh min) l l sec (h max) cw/w (pf max) cd pri b (pf max) dcr pri ( ? 25%) dcr sec (w 25%) d i dc c (ma max) a b a & b a b a & b a b a b a b t5005nl 1:2.5 1:2.5 22 40 40 100 110 110 2.4 2.4 5.3 5.3 1 t5007nl 1:2 1:2 22 5 5 100 80 80 2.4 2.4 4.2 4.2 1 t5008nl 1:1 1:1 22 5 5 100 42 42 2.4 2.4 2.4 2.4 1 t5010nl 1:1.8 1:1.8 22 15 15 100 160 160 2.4 2.4 3.8 3.8 1 u.s. patent no. 5,015,981z a. a center-tapped winding can be created by connecting two ends of a split center winding together on the printed circuit board. in isdn-s appli cations, the primary winding is the line side transformer winding. b. minimum primary inductance and maximum distributed capacitance satisfy the transmitter output and receiver input impedance requirements of ccitt i.430 for both the te and the nt. the maximum distributed capacitance allows sufficient margin for the capacitance of the ic and a protection diode network. it is consistent with the overall maximum value specified and the permitted length of the basic access te cord. c. the maximum specified unbalanced dc current capability is based on 20 mh minimum primary ocl. see next page for detailed packaging information. dimensions: inches mm unless otherwise specified all tolerances are . 010 0,25 mechanical schematic tsj 16 13 14 23 15 14 12 9 58 67 11 10 pri coil a coil b sec usa 858 674 8100 ? germany 49 7032 7806 0 ? singapore 65 6287 8998 ? shanghai 86 21 32181071 ? china 86 755 33966678 ? taiwan 886 3 4643715
type smt part weight 7 grams parts/tube 20 parts/tray* 50 parts/reel* 200 reel diameter 13 inches tape width 44 mm pitch 24 mm *note: standard packaging for all transformers on this data sheet is anti-static tubes. optional tape & reel packaging can be ordered by adding a ?t? suffix to the end of the part number, (i.e: t5005nlt). isdn s-interface low profile dual smt transformers packaging information application notes 1. general information ? the s-interface is the standard- ized four-wire digital telephone access point defined by the ccitt i-series recommendations for the integrated services digital network. this ?basic rate access? accom- modates two 64 kbps ?b-channels? for information, one 16kbps ?d-channel? intended for signaling and control, and 48kbps for framing and other purposes, giving a total rate of 192kbps. the ccitt physical layer recommends that the user network interface be transformer coupled. the transformear provides isolation for the line card or the terminal from the line. it is also a way to provide phantom power feeding to the terminal over the s-loop. each end requires a transmit and a receive transformer. chokes are used in some applications to reduce common mode noise. transformers described in this data sheet are matched to the transceivers offered by the ic manufacturers listed. the use of a transformer-chip pair assures that all require- ments of ccitt i.430 are met with respect to pulse wave- form templates, impedance and longitudinal balance. in addition, the transformers provide the isolation voltages required by the regulatory agencies and are capable of passing surge voltage tests. 2. safety standards recognition ? all transformers listed in this data sheet are recognized to ul 1459 and ul 1950 as a basic insulation barrier. 3. flammability ? materials used in the products are recog- nized ul94-vo. products meet the requirements of iec 695-2-2 (needle flame test). 4. for more application notes please refer to data sheet t604. ic ic dual manufacturer part number surface mount tx & rx at&t/lucent t7250/7256/7259 t5005nl t7903 t5007nl mietec mtc-2072 t5007nl mitel mt8930 t5007nl motorola mc145474/145475 t5008nl mc145574 t5005nl national * tp3420/3421 t5007nl sgs thomson st5420, st5421 t5007nl peb 2080/2081/2085 siemens psb 2186 t5007nl peb 2084/2086 yamaha 7405b, ytd421 t5007nl b 29c53 t5010nl *note: national recommends a 1:2 receive transformer, but used as a 1:1 ratio by connecting only half the secondary winding. www.pulseeng.com 2 t613.c (10/09) for more information: pulse worldwide headquarters 12220 world trade dr. san diego, ca 92128 u.s.a. www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan rd. high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an rd. west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse south asia 135 joo seng rd. #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan rd. zhongli city taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: fre 886 3 4356820 pulse: 886 3 4356823 performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change w ithout notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2009. pulse engineering, inc. all rights reserved. common mode chokes refer to data sheet g002 for selection of low and high frequency common mode chokes.
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