T3/DS3/E3/STS-1 TRANSFORMERS Eight Transformers Designed for T3, DS3, E3 and STS-1 Interface Eight transformers in a surface mount package Models matched to leading transceiver ICs Return loss meets requirements of G.703 Recognized by UL1950 (some parts pending approval) Isolation voltage: 1500Vrms Electrical Specifications @ 25°C RoHS-5 Compliant PN# RoHS-6 Compliant PN# Turns Ratio (Pri:Sec ±2%) OCL Primary @ 25°C (µH MIN) LL (µH MAX) CW/W (pF MAX) Isolation Voltage (Vrms MIN) Package/ Schematic T3048 T3048NL 1:1 40 .150 10 1500 YB/1 Primary Pins 1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16 T3049 T3049NL 1:2 19 .150 10 1500 YB/1 1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16 TX3047* TX3047NL* 1:1 100 .150 10 1500 YB/1 1-2, 3-4, 5-6, 7-8 9-10, 11-12, 13-14, 15-16 TX3045* TX3045NL* 1:1 & 1:2 100 & 40 .120 10 1500 YB/1 1-2, 5-6, 9-10, 13-14 & 3-4, 7-8, 11-12, 15-16 *NOTE: Operating Temperature Range: -40°C to +85°C. For Tape & Reel packaging, add a âTâ suffix to the part number when ordering (e.g. T3048 becomes T3048T, and T3048NL becomes T3048NLT). Mechanical Schematic YB 1.000 MAX 25,40 .050 15X 1,27 32 31 30 1 2 27 26 4 5 6 7 25 24 23 22 21 20 19 18 17 10 11 12 13 14 15 16 1 Part Number Date Code Country of Origin U.S. Pat. 5015981 .425 ± .005 10,80 0,13 3 32X .018 0,46 .750 19,05 .310 7,87 .280 7,11 2 X 10° .004/0,10 32 SURFACES .035 32X 0,89 8 9 32X .100 2,54 .780 19,81 .030 32X 0,76 .295 MAX 7,49 0°Â 8° 4 X 3° 29 28 Weight . . . . . . . . . . . . . .2.7 grams Tape & Reel . . . . . . . . . . . .200/reel Tube . . . . . . . . . . . . . . . . . .20/tube .465 11,81 2 X 15° .115 2,92 .050 TYP 1,27 Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 SUGGESTED PAD LAYOUT For More Information: Pulse Worldwide Headquarters Pulse Europe Pulse China Headquarters 12220 World Trade Dr. San Diego, CA 92128 U.S.A. www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262 Einsteinstrasse 1 D-71083 Herrenberg Germany No. 1 Industrial District Changan, Dongguan China Tel: 86 769 85538070 Fax: 86 769 85538870 Tel: 49 7032 7806 116 Fax: 49 7032 7806 135 Pulse North China Pulse South Asia Pulse North Asia Room 1503 XinYin Building No. 888 YiShan Rd. Shanghai 200233 China Tel: 86 21 54643211/2 Fax: 86 21 54643210 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 No. 26 Kao Ching Rd. Yang Mei Chen Taoyuan Hsien Taiwan, R. O. C. Tel: 886 3 4641811 Fax: 886 3 4641911 Tel: 65 6287 8998 Fax: 65 6280 0080 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. © Copyright, 2006. Pulse Engineering, Inc. All rights reserved. www.pulseeng.com T663.B (9/06)