CMO Series - Common Mode Octal Chokes for Quad Port E1/T1 Features • Low profile (5.8mm) 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 • Excellent quality at extremely competitive price due to high volume production • Manufactured in ISO-9001 approved Talema facility Electrical Specifications Ratings@ 25°C ambient Test voltage between windings: 500 Vrms Operating Temperature Range: 0 to +70°C Storage Temperature: -25°C to +105°C Test Frequency: Inductance measured @ 100kHz/20mVrms Standard packing in either anti-static tubes or in tape and reel Weight: 4 grams Applications The Talema 16 data line common mode choke module has been designed for T1/E1 applications and provides EMI suppression for data and signal line filtering COJ Octal Common Mode Chokes for Data and Signal Line EMI Noise Suppression Part Number OCL (µH Min.) DCR (mOhms Typ.) 47 200 COJ-16-470 COJ-16-502 5000 400 Common Mode Attenuation (dB Typ.) 100kH z 1MHz 10MHz 30MHz 50MHz 100MHz 7 27 40 44 42 36 26 100kH z 300kH z 1MHz 3MHz 5MHz 10MHz 30MHz 26.4 38.2 40.1 32.2 26.4 20.8 15.6 Schematic COJ Module Suggested Pad layout TALEMA IN WK/YR Part Number 0.076 (1.93) 19 x 0.050 (19 x 1,27) 19 x 0.05 (1,27) 1.102 (28.00) 0.030 (0,77) 0.661 0.480 (16,80) (12,20) 0° - 8° 0.638 0.575 (16.20) (14.60) 300MHz 0.091 (2,30) 0.950 (24,13) 0.236 0.189 (6.00) (4.80) 0.020 x 0.012 (0.50 x 0.30) Surface coplanarity will be <0.004 (0.10) Dimensions: Inches (Millimeters) Tolerance: ±0.010 (0.25) unless specified otherwise 1 40 2 39 3 38 5 36 6 35 7 34 8 33 10 31 11 30 12 29 13 28 15 26 16 25 17 24 18 23 20 21 Sales & Marketing, Design and Manufacturing Facilities http://www.talema-nuvotem.com Eastern Europe & Czech Republic NT MAGNETICS s.r.o. Chebská 27 322 00 Plzeñ Tel: Int. + 420 37 - 744 9303 Fax: Int. + 420 37 - 744 3697 Email: [email protected] Germany Ireland India TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: [email protected] NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: [email protected] 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: [email protected] Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 37 - 744 9303 • India: Int.+91 427 - 244 1325 THE TALEMA GROUP • World Wide Toroidal Specialists http://www.talema-nuvotem.com 9