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CMJ-2 Series * Miniature SMD Common Mode Double Chokes
Features * Miniature, low cost SMD for pick and place compatability while providing consistent and reliable coplanarity * Other inductance values and special types for operation at 150C ambient are available upon request * High attenuation over a wide frequency range - CAN bus types to 500MHz * Available in Bifilar and Sector winding (Suffix S) * Materials: UL94-VO * 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 Nominal Inductance: measured @ 100kHz/20 mVrms Leakage Inductance: measured @ 100kHz, 100mVrms Test Equipment: HP4192A Weight: ~ 0.3 gram Packaging: Tape & Reel
Part Number
OCL (H) +50/-30% 6 25 51 5 11 25 51 100 470 1000 2200 4700 10000 20000 47000
IN (mA) 2500 800 800 1200 500 500 500 500 500 500 400 200 200 140 100
Suggested Pad Layout
0.394 (10.00) 0.039 (1.00)
LL (H) 0.40 1.50 2.00 0.05 0.05 0.10 0.10 0.25 0.20 0.25 0.15 0.30 0.40 0.70 1.50
Bifilar Winding
RCU (mOhms) 22 112 148 100 120 96 148 260 248 250 280 845 1200 1800 3450
Sector CMJ-2-XXXS Winding
VT (Vrms) 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
Number of Data Lines 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Schematic
1 2 4 3
Sector Winding for CAN bus and similiar applications
CMJ-2-060S CMJ-2-250S CMJ-2-510S CMJ-2-050 CMJ-2-110 CMJ-2-250 CMJ-2-510 CMJ-2-101 CMJ-2-471 CMJ-2-102 CMJ-2-222 CMJ-2-472 CMJ-2-103 CMJ-2-203 CMJ-2-473
Bifilar Winding for Data and Signal Lines
Dimensions
0.354 0.299 (9.00) (7.60) 0.100 (2.54)
CMJ2-XXX Wk/Yr
0.228 (5.80)
0 - 8
0.209 0.169 (5.30) (4.30) 0.020 x 0.12 (0.50 x 0.30)
0.091 (2.30)
0.100 (2.54)
Surface Coplanarity will be 0.004(0.10) maximum Dimensions: Inches (Millimeters) Tolerance: 0.010 (0.25) unless specified otherwise
See following page for typical impedance curves
THE TALEMA GROUP * Magnetic Components for ISDN / xDSL / LAN Data Communications
CMJ-2 Series * Impedance Performance Impedance Performance CMJ-2 Series
Double Chokes with Sector Winding
10,000
Impedance in Ohms
1,000
100
10
1
100
1,000
10,000 Frequency in kHz
100,000
1,000,000
2 x 6H
2 x 25H
2 x 51H
Impedance Performance CMJ-2 Series
Double Chokes with Bifilar Winding
100,000
Impedance in Ohms
10,000
1,000
100
10
10
100
1000 Frequency in kHz 2x25H 2x4.7mH 2x51H 2x10mH
10000
100000
2x5H 2x1.0mH
2x11H 2x2.2mH
2x100H 2x20mH
2x470H 2x47mH
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 Universal Applications
(02-08) CMJ-2 Series

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