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 150°C
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 @ 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
Nominal Inductance: measured @ 100kHz/20 mVrms
Leakage Inductance: measured @ 100kHz, 100mVrms
Test Equipment: HP4192A
Weight: ~ 0.3 gram
Packaging: Tape & Reel
Part Number
OCL (
μ
H)
+50/-30%
6
25
51
5
11
25
51
100
470
1000
2200
4700
10000
20000
47000
I
N
(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)
L
L
(
μ
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
R
CU
(mOhms)
22
112
148
100
120
96
148
260
248
250
280
845
1200
1800
3450
Sector
CMJ-2-XXXS
Winding
V
T
(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)
CMJ-
2-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 6μH
2 x 25μH
2 x 51μH
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
2x25μH
2x4.7mH
2x51μH
2x10mH
10000
100000
2x5μH
2x1.0mH
2x11μH
2x2.2mH
2x100μH
2x20mH
2x470μH
2x47mH
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. + 420 377 - 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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