ISDN U-INTERFACE SURFACE MOUNT TRANSFORMERS For Applications in 2B1Q Coding Characteristics matched to leading transceiver ICs Meets ANSI T1.601-1992 and ETSI ETR 080 standards for longitudinal balance, linearity and return loss Minimum Isolation: 2000Vrms Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C Turns Ratio OCL DCR DCR Isolation Line Side IDC Package/ Part Number Line:Chip Line side Line Side Chip Side Voltage (±3%) Pins (mH) (Ω) (Ω) (mA) (Vrms MIN) Schematic T4001 1.25:1 (1-5) 26.5-30.0 12.4 MAX 7.0 MAX 80 2000 BT-2/Y T4002 1.65:1 (1-4) 15.0-18.0 5.2 ± 15% 3.0 ± 15% 50 2000 BT-1/W T4004 1.50:1 (1-5) 25.6-28.4 20.0 MAX 3.0 MAX 60 2000 BT-2/Z T4006 1.50:1 (1-5) 14.2-15.8 16.0 MAX 2.5 MAX 60 2000 BT-2/Z Mechanicals Schematics (Filled) 6X .150 .165 7 6 5 9 8 7 3,81 4,19 .150 6X 3,81 D 1.796,300 MAX ate CodeT4002 1.66,5501 W: Y: .070 8X .750 .695 1,78 19,05 17,65 BT-1 .870 ± .030 SUGGESTED PAD LAYOUT 22,10 ± 0,76 1 2 3 4 1 2 4 5 .500 MAX 9 8 7 12,70 8 X .20,8028 8 X .00,3987 8 SU.0R0F4A/0C,E10S .805 20,45 Z: (Filled) 8X .150 .190 3,81 4,83 .150 8 X 3,81 1 4 2 5 D 2.945,103 MAX ate CodT400X 1.97,5005 e .070 .900 .915 1,78 BT-1 BT-2 22,86 23,24 Weight......................9.5 grams...........15.0 grams Pan Size........................30/tray..................24/tray BT-2 1.065 SUGGESTED PAD LAYOUT Dimensions: Inches 27,05 mm Unless otherwise specified all tolerances are ± .010 0,25 Fuji IPIIIMachine: .500 MAX Nozzle: AQNA-3230 12,70 Rubber pad: UP5X20EN .004/0,10 .140 .038 10X 10X 3,56 0,97 10 SURFACES USA 858 674 8100 •• Germany 49 7032 7806 0 •• Singapore 65 6287 8998 ••Shanghai 86 21 54643211 / 2 •• China 86 755 33966678 ••Taiwan 886 3 4641811 www.pulseeng.com T614.B (10/07)

ISDN U-INTERFACE SURFACE MOUNT TRANSFORMERS For Applications in 2B1Q Coding Additional Specifications Return Loss Longitudinal Balance Surge Voltage Capability (10 and 25 KHz) 20 dB MIN 281 Hz to 40 KHz 55 dB MIN Metallic @ 800 V Peak 10/700 µsec — Above 40 KHz -20 dB/decade Long. @ 2400 V Peak 10/560 µsec Transformer Selection Transformer Company Chip 2000 Vrms Isolation Motorola MC145572 T4001 Siemens PEB 2091 T4002 National TP 3410 T4004 Thomson SD5411 T4006 For More Information: Pulse Worldwide Pulse Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Europe B402, Shenzhen Room 1503 150 Kampong Ampat No. 26 12220 World Trade Dr. Einsteinstrasse 1 Tech-Innovation International XinYin Building #07-01/02 Kao Ching Rd. San Diego, CA 92128 D-71083 Herrenberg Tenth Kejinan Rd. No. 888 YiShan Rd. KACentre Yang Mei Chen U.S.A. Germany High-Tech Industrial Park Shanghai 200233 Singapore 368324 Tao Yuan Hsien www.pulseeng.com Nanshan District, Shenzhen China Taiwan, R. O. C. China Tel: 858 674 8100 Tel: 49 7032 7806 0 Tel: 86 755 33966678 Tel: 86 21 54643211/2 Tel: 65 6287 8998 Tel: 886 3 4641811 Fax: 858 674 8262 Fax: 49 7032 7806 12 Fax: 86 755 33966700 Fax: 86 21 54643210 Fax: 65 6280 0080 Fax: 886 3 4641911 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, 2007. Pulse Engineering, Inc. All rights reserved. www.pulseeng.com T614.B (10/07)

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