COJ-16-502

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 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 OCL (µH Min.) 5000 DCR (mOhms Typ.) 1900 Common Mode Attenuation (dB Typ.) 100kH z 26.4 300kH z 38.2 1MHz 40.1 3MHz 32.2 5MHz 26.4 10MHz 20.8 30MHz 15.6 COJ-16-502 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 0.236 (6.00) 0.189 (4.80) 0.950 (24,13) 0.020 x 0.012 (0.50 x 0.30) 8 10 11 12 Surface coplanarity will be