T1/E1/CEPT/ISDN-PRI SMT TRANSFORMERS Small surface mount package Isolation voltage: 1500 Vrms minimum Extended temperature range: -40C to +85C Designed to meet Return Loss requirements of ITU G.703 Electrical Specifications @ 25C -- Operating Temperature -40C to 85C Part Number Turns Ratio (Pri:Sec - 2%) OCL Pri @ 25C (mH MIN) LL (H MIN) CWW (pF MAX) DCR Pri ( MAX) DCR Sec ( MAX) TX1281 TX1282 TX1283 TX1284 TX1491 TX1492 1CT:1 1.14CT:1 1.35CT:1 1.26CT:1 1CT:1 2CT:1 2.0 2.2 2.0 1.2 1.2 2.15 1.2 1.4 1.4 1.0 1.2 1.2 65 65 65 50 35 65 2.7 2.8 2.7 2.5 2.7 2.3 2.7 2.8 2.0 2.0 2.7 1.2 Mechanical Schematic TX12XX/TX149X .220 5,59 .230 5,84 6X TX12XX TX149X Date Code Country of Mfg. .024 0,61 .146 3,71 .245 6,22 .305 .010 7,75 0,25 2 4 3 .073 1,85 .073 1,85 .146 3,71 6X .044 1,12 Weight . . . . . . . . . . . . . .0.38 grams Tape & Reel . . . . . . . . . . .1000/reel Tray . . . . . . . . . . . . . . . . . . .80/tray Dimensions: Inches mm Unless otherwise specified, all tolerances are .010 0,25 SUGGESTED PAD LAYOUT .200 5,08 .006 0,15 6 1 +.000 .345 - .010 8,76 +0,00 - 0,25 6 X 0 8 .005/0,13 6 SURFACES 6X .025 0,64 For More Information : UNITED STATES (Worldwide) UNITED KINGDOM (Northern Europe) FRANCE SINGAPORE (Southern Europe) (Southern Asia) TAIWAN, R.O.C. (Northern Asia) HONG KONG (China/Hong Kong) 12220 World Trade Drive San Diego, CA 92128 U.S.A. http://www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262 5 Huxley Road Surrey Research Park Guildford, Surrey GU2 5RE United Kingdom TEL: 44 1483 401700 FAX: 44 1483 401701 Zone Industrielle F-39270 Orgelet France TEL: 33 3 84 35 04 04 FAX: 33 3 84 25 46 41 3F-4, No. 81, Sec. 1 HsinTai Wu Road Hsi-Chih, Taipei Hsien Taiwan, R.O.C. Tel: 886 2 2698 0228 FAX: 886 2 2698 0948 9/F, Phase 2, Tai Sang Shatin Warehouse Centre 6 Wong Chuk Yeung Street Fotan, Shatin, Hong Kong TEL: 852 2788 6588 FAX: 852 2776 1055 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 6287 8998 FAX: 65 6280 0080 DISTRIBUTOR Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. (c)2004, Pulse Engineering, Inc. All Rigths Reserved. T669.B (8/04)