Common Mode Chokes For ADSL and VDSL For Use with Broadcom© BCM 6010/6020 Supports speeds up to 25.92 Mbps Provides two-wire to four-wire conversion Surface mount or through hole package Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C Turns Ratio Part Number Trans. B4008 (THT) 2:1 B4025 (SMT) Rec. 1:1 DCR (MAX) 0.5 âĤ Return Loss (dB MIN) 138 kHz to 1 MHz: 13.5 1 MHz to 20 MHz: 20 Insertion Loss (dB MAX) 138 kHz to 20 MHz: 0.5 Longitudinal Balance (dB MIN) Transhybrid Loss (dB MIN) 138 kHz to 1 MHz: 30 1 MHz to 20 MHz: 25 Isolation Voltage (Vrms) 138 kHz to 300 kHz: 60 300 kHz to 1 kHz: 50 2000 1 MHz to 20 kHz: 30 Notes: Surge Voltage Capability - Metallic: 800Vpeak 10/560sec. Long.: 2400Vpeak 10/700sec. BX4053NL is a dual choke. Please add the suffix âTâ for Tape & Reel orders (i.e. B4003NL becomes B4003NLT). Schematic Mechanical B4008 1 2:1 19 2 4 5 6 17 1:1 14 7 9 10 13 Pin 13: Internal connection only 12 Weight ......................2.8grams Tube ............................20/tube Inches Dimensions: mm Unless otherwise specified, all tolerances are ± .010 0,25 USA 858 674 8100 Germany 49 7032 7806 0 1 Singapore 65 6287 8998 pulseelectronics.com Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 B925.A (02/12) VDSL Transformers For Use with Broadcom© BCM 6010/6020 Mechanical (continued) Schematic B40025 .700 17,78 .100 2,54 B4025 Date Code Country of Origin .505 MAX 12,83 .100 2,54 .700 17,78 .540 13,72 .040 1,02 SUGGESTED PAD LAYOUT .395 10,03 1.005 MAX 25,53 .235 MAX 5,97 .004/0,10 16 SURFACES .100 2,54 .012 0,30 0° â 8° 16 x .040 1,02 Weight ......................2.8grams Tape & Reel ..................20/reel Inches Dimensions: mm Unless otherwise specified, all tolerances are ± .010 0,25 For More Information Pulse Worldwide Headquarters 12220 World Trade Drive San Diego, CA 92128 U.S.A. Pulse Europe Einsteinstrasse 1 D-71083 Herrenberg Germany Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 Aerospace TechnolSuper Ocean Finance #03-02 Zhongyuan Road ogy Bldg. Ctr. PM Industrial Bldg. Zhongli City 10th Kejinan Road 2067 Yan An Road Singapore 368363 Taoyuan County 320 High-Tech Zone West Taiwan R. O. C. Nanshan District Shanghai 200336 Tel: 886 3 4356768 Shenzen, PR China China Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Tel: 858 674 8100 Tel: 49 7032 78060 518057 Fax: 65 6287 8998 Fax: 886 3 4356820 (FRE) Fax: 858 674 8262 Fax: 49 7032 7806 135 Tel: 86 755 33966678 Tel: 86 21 62787060 Fax: 86 755 33966700 Fax: 86 2162786973 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, 2012. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com B925.A (02/12)