T1/CEPT/ISDN-PRI TRANSFORMERS Quad Port SMT Transformer Modules with IC Side Protection Eight transformers in a low profile surface mount package Includes IC Side Protection Circuit on each channel to suppress low voltage transients Patented "Interlock Base" construction for high reliability Minimum Isolation voltage: 1500 Vrms Extended temperature range UL recognized Electrical Specifications @ 25C Part Number Turns Ratio (Pri:Sec 2%) OCL Line Side (mH MIN) TX RX EXTENDED TEMPERATURE RANGE MODEL - OPERATING TEMPERATURE -40C TO +85C TX9025 1:2 1:2 1.2 CW/W (pF MAX) LL (H MAX) Package/ Schematic 35 .3 QTERA NOTE: The crosstalk attenuation is typically 50dB or better. Schematic QTERA 1.125 MAX 28,58 40X .018 0,46 TX9025 V G 4 1:2.0 CT 5 6 .050 19X 1,27 .950 24,13 .050 40X .030 0,76 1,27 .050 19X = .950 1,27 24,13 7 SUGGESTED PAD LAYOUT 9 .010 0,25 1:2.0 8 .285 MAX 7,24 .045 40X 1,14 40 39 38 37 36 35 34 33 V .485 12,32 0 8 .004/0,10 40 Surfaces .480 12,19 .090 40X 2,29 DATE CODE COUNTRY OF ORIGIN 2 3 CHIP SIDE .640 MAX 16,26 1:2.0 CT 1 G 1:2.0 10 32 31 1:2.0 11 12 30 LINE SIDE Mechanical 29 V G 1:2.0 13 14 28 27 15 Weight ...............5.0 grams Tape & Reel..........250/reel Tube ......................15/tube Dimensions: Inches mm Unless otherwise specified, all tolerances are .010 0,25 1:2.0 CT 16 17 V G 1:2.0 CT 18 19 20 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 1 & 2 Huxley Road The 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 26 25 24 23 22 21 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 products and/or registered trademarks of their respective owners. (c)2004, Pulse Engineering, Inc. All Rights Reserved. T686.A (5/04)