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
levelJ-STD-020C
Test frequency
Nominal Inductance: measured @ 100kHz/20 mVrms
Leakage Inductance: measured @ 100kHz, 100mVrms
Test Equipment: HP4192A
Electrical Specifications @ 25°C
Nominal Voltage: 42Vac (50/60Hz), 80Vdc
Operating Temperature: -25° to +85°C
Storage Temperature: -40° to +125°C
Weight: ~ 0.3 gram
Packaging: Tape & Reel
Climatic category: according to IEC68-1 25/85/56
Test voltage between windings: 500 Vrms
OCL (μH)
+50/-30%
IN
(mA)
LL
(μH)
RCU
(mOhms)
VT
(Vrms)
Number of
Data Lines
Part Number
Sector Winding for CAN bus and similiar applications
CMJ-2-060S
CMJ-2-250S
CMJ-2-510S
6
2500
800
0.40
1.50
2.00
22
500
500
500
2
2
2
25
51
112
148
800
Bifilar Winding for Data and Signal Lines
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
5
1200
500
500
500
500
500
500
400
200
200
140
100
0.05
0.05
0.10
0.10
0.25
0.20
0.25
0.15
0.30
0.40
0.70
1.50
100
120
96
500
500
500
500
500
500
500
500
500
500
500
500
2
2
2
2
2
2
2
2
2
2
2
2
11
25
51
148
260
248
250
280
845
1200
1800
3450
100
470
1000
2200
4700
10000
20000
47000
Dimensions
Suggested Pad
Layout
Bifilar
Winding
Sector
CMJ-2-XXXS
Winding
Schematic
1
2
4
3
0.354
(9.00)
0.299
(7.60)
0.394
(10.00)
0.039
(1.00)
0.100
(2.54)
0.228
(5.80)
0.100
(2.54)
0.091
(2.30)
0.169
(4.30)
0.209
(5.30)
0.020 x 0.12
(0.50 x 0.30)
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