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| B5W Series COMMON MODE CHOKE FOR IEEE 1394 APPLICATIONS DESCRIPTION The B5W is a dual wound common mode choke ideal for common mode noise attenuation in twisted pair cable interfaces as well as IEEE 1394 applications. An excellent impedance balance between two sets of twisted pairs is achieved by winding across a single core. One B5W common mode choke coil per interface port is possible with this dual winding configuration. FEATURES Low profile: 3.4 mm (Max.) Common mode impedance of 220 at 100 MHz (typical) Operating temperature: -10C to +60C Storage temperature: -25C to +70C Suitable for reflow soldering Packaged on 2,000 piece reels DIMENSIONS AND FOOTPRINT Tolerance: +/- 0.3 Unit: mm Toko Part No. 857CM-0009 Insertion Loss 50 MHz 100 MHz 300 MHz 500 MHz 2.8 dB +/- 2.0 dB 7.3 dB +/- 2.5 dB 12.0 dB +/- 3.0 dB 14.0 dB +/- 3.0 dB IDC 0.65 A (Max.) RDC 0.3 (Max.) Withstand Voltage 100 VDC Tolerance: +/- 0.2 Unit: mm APPLICATIONS Twisted Pair Cable Interface IEEE 1394 Port VP IEEE 1394 LINK IEEE 1394 PHY VG B5W (857CM-0009) PHY/LINK INTERFACE COMMON MODE CHOKE TPA+ TPATPA+ TPA- IEEE 1394 PORT (1) B5W (857CM-0009) January 1999 1 B5W Series ATTENUATION AND IMPEDANCE CHARACTERISTICS OF 857CM-0009 0 dB 5 dB 10 dB 15 dB 20 dB 25 dB 30 dB 35 dB 1.0 MHz 10.0 MHz 100.0 MHz 1000.0 MHz The information furnished by TOKO, Inc., is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification, or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for infringements of patents or other rights of third parties which may result form the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. TOKO America, Inc. 1250 Feehanville Drive, Mt. Prospect, IL 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com/ TOKO AMERICA REGIONAL OFFICES Eastern Regional Office Toko America, Inc. 107 Mill Plain Road Danbury, CT 06811 Tel: (203)748-6871 Fax: (203)797-1223 Midwest Regional Office Toko America, Inc 1250 Feehanville Drive Mount Prospect, IL 60056 Tel: (847)297-0070 Fax: (847)699-7864 Western Regional Office Toko America, Inc. 2480 North First Street, Suite 260 San Jose, CA 95131 Tel: (408)432-8281 Fax: (408)943-9790 January 1999 1998 Toko, Inc All Rights Reserved CF-182-B5WDS 2 |
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