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| COJ Series - Common Mode Octal Chokes for Quad Port T1/E1 Features * Low profile (6.0mm) and light weight (4.0 g), Talema common mode choke modules provide excellent EMI reduction in Quad Port T1/E1 applications * High density board placement with modular design * SMD package facilitates pick and place compatability while ensuring consistent and reliable coplanarity * Manufactured in an ISO-9001:2000, TS-16949:2002 and ISO-14001:2004 certified Talema facility * fully RoHS compliant and meets lead free reflow level J-STD-020C Electrical Specifications @ 25C Nominal Voltage: 42Vac (50/60Hz), 80Vdc Operating Temperature: -25 to +85C Storage Temperature: -40 to +125C Climatic category: according to IEC68-1 25/85/56 Test voltage between windings: 500 Vrms Test Frequency: Inductance measured @ 100kHz/20mVrms Standard packing in either anti-static tubes or in tape and reel Weight: ~ 4 grams Application The 16 data line common mode choke module has been designed for T1/E1 applications and provides excellent EMI suppression for data and signal line filtering COJ Octal Common Mode Chokes for Data and Signal Line EMI Noise Suppression Part Number N o. of Data Lines 16 OCL (H Min.) 47 DCR (mOhms Typ.) 200 Common Mode Attenuation (dB Typ.) 100kH z 13 1MHz 27 10MHz 40 30MHz 44 50MHz 42 100MHz 36 300MHz 26 COJ-16-470 Package Suggested Pad layout 0.638 0.575 (16.20) (14.60) TALEMA IN WK/YR Part Number 19 x 0.050 (19 x 1,27) 0.030 (0,77) 1 2 3 5 0 - 8 Schematic 40 39 38 36 35 34 33 31 30 29 28 26 25 24 23 21 0.076 (1.93) 19 x 0.05 (1,27) 1.102 (28.00) 0.661 0.480 (16,80) (12,20) 0.091 (2,30) 6 7 8 0.236 (6.00) 0.189 (4.80) 0.950 (24,13) 0.020 x 0.012 (0.50 x 0.30) 10 11 12 Surface coplanarity will be <0.004 (0.10) Dimensions: Inches (Millimeters) Tolerance: 0.010 (0.25) unless specified otherwise 13 15 16 17 18 20 Sales & Marketing, Design and Manufacturing Facilities http://www.talema-nuvotem.com Eastern Europe & Czech Republic NT MAGNETICS s.r.o. Chebska 27 322 00 Plzen Tel: Int. + 420 377 - 338 351 Fax: Int. + 420 377 - 338 350 Email: talema@talema.cz Web Site: www.ntmagnetics.cz Germany TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: info@talema.de Ireland NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: info@nuvotem.com India TALEMA ELECTRONIC PVT. LTD. Opposite the SIDCO Industrial Estate Gins Towers 4/5S.H/1, Omalur Main Road Salem - 636 004, Tamil Nadu Tel: Int. + 91 427 - 244 1325 Fax: Int. + 91 427 - 243 0034 E-mail: talema@talemaindia.com Web Site: www.talemaindia.com THE TALEMA GROUP * Magnetic Components for ISDN / xDSL / LAN Data Communications (10-06) Chokes\COJ-16-470 |
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