COJ-16-470

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 @ 25°C Nominal Voltage: 42Vac (50/60Hz), 80Vdc Operating Temperature: -25° to +85°C Storage Temperature: -40° to +125°C 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 (µH 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