© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
Common Mode Line Chokes
-
CMT Series
Document 326-1
Document 326-1 Revised 08/19/04
CMT-1 Series
Current Leakage Lead
Part Inductance1rating inductance DCR max H L W X Y diameter
number min (mH) (Arms) max (µH) (Ohms) max max max ±0.01/0,25 ±0.01/0,25 nom
CMT1-5.0-1 5.0 1.0 80 0.207 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-8.0-1 8.0 1.0 125 0.270 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-15.0-1 15.0 1.0 233 0.430 1.155/29,4 1.300/33,0 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-2.5-2 2.5 2.0 42 0.090 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-4.0-2 4.0 2.0 70 0.095 1.050/26,7 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-7.5-2 7.5 2.0 74 0.108 1.155/29,4 1.300/33,0 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-1.3-4 1.3 4.0 20 0.029 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-2.1-4 2.1 4.0 36 0.040 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-3.7-4 3.7 4.0 40 0.036 1.125/28.6 1.300/33,0 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-1.0-6 1.0 6.0 19 0.022 1.100/27,9 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-1.7-6 1.7 6.0 34 0.032 1.155/29,4 1.300/33,0 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-3.0-6 3.0 6.0 35 0.027 1.200/30,5 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-.6-9 0.6 9.0 11 0.012 1.200/30,5 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.042/1,07
CMT1-1.1-9 1.1 9.0 12 0.013 1.300/33.0 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.042/1,07
CMT1-1.9-9 1.9 9.0 20 0.017 1.300/33.0 1.400/35,6 0.625/15,9 0.80/20,3 0.40/10,2 0.042/1,07
CMT1-.5-12 0.5 12.0 9 0.008 1.200/30,5 1.210/30,7 0.650/16,5 0.80/20,3 0.40/10,2 0.048/1,22
CMT1-.8-12 0.8 12.0 9 0.008 1.200/30,5 1.210/30,7 0.650/16,5 0.80/20,3 0.40/10,2 0.048/1,22
CMT1-1.4-12 1.4 12.0 16 0.011 1.300/33.0 1.210/30,7 0.650/16,5 0.80/20,3 0.40/10,2 0.048/1,22
CMT1-.3-15 0.3 15.0 6 0.005 1.300/33.0 1.210/30,7 0.625/15,9 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-.6-15 0.6 15.0 6.5 0.006 1.250/31.8 1.210/30,7 0.650/16,5 0.80/20,3 0.40/10,2 0.054/1,37
CMT1-1.1-15 1.1 15.0 13.7 0.008 1.250/31.8 1.210/30,7 0.700/17,8 0.80/20,3 0.40/10,2 0.054/1,37
1. Inductance tested at 15.75 kHz 0 Adc.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
Coilcraft’s CMT toroid style common mode chokes are
designed to provide the highest common mode imped-
ance over the widest frequency range. These parts are
ideal for any application requiring a high DC current bias
and are well suited for use in switch-mode power supplies.
Common mode chokes are most effective in filtering
supply and return conductors with in-phase signals of
equal amplitude. Differential mode inductors are available
for filtering out-of-phase or uneven amplitude signals.
CMTs feature inductance values up to 125 mH and Irms
ratings as high as 15 Amps.
• 1250 Vrms isolation between windings
• Industry standard footprint.
• IEC, UL, and VDE compliant.
© Coilcraft, Inc. 2005
Common Mode Line Chokes – CMT Series
Specifications subject to change without notice.
Please check our website for latest information.
Document 326-2
Document 326-2 Revised 01/15/04
CMT-2 Series
Current Leakage Lead
Part Inductance1rating inductance DCR max H L W X Y diameter
number min (mH) (Arms) max (µH) (Ohms) max max max ±0.01/0,25 ±0.01/0,25 nom
CMT2-7.5-1 7.5 1.0 90 0.270 1.100/27,9 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-13-1 13.0 1.0 190 0.415 1.300/33,0 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-3.8-2 3.8 2.0 48 0.106 1.100/27,9 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-6.5-2 6.5 2.0 98 0.145 1.300/33,0 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-1.9-4 1.9 4.0 26 0.038 1.100/27,9 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-3.3-4 3.3 4.0 45 0.055 1.300/33,0 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-1.5-6 1.5 6.0 21 0.029 1.100/27,9 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-2.6-6 2.6 6.0 41 0.040 1.400/35,6 1.400/35,6 0.900/22,9 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-.9-9 0.9 9.0 17 0.014 1.200/30,5 1.310/33,3 0.825/21,0 0.90/22,9 0.60/15,2 0.042/1,07
CMT2-1.5-9 1.5 9.0 15 0.013 1.250/31,8 1.250/31,8 0.825/21,0 0.90/22,9 0.60/15,2 0.042/1,07
CMT2-.7-12 0.7 12.0 14 0.011 1.200/30,5 1.250/31,8 0.825/21,0 0.90/22,9 0.60/15,2 0.048/1,22
CMT2-1.2-12 1.2 12.0 14 0.011 1.200/30,5 1.250/31,8 0.825/21,0 0.90/22,9 0.60/15,2 0.048/1,22
CMT2-.5-15 0.5 15.0 8.7 0.007 1.300/33.0 1.300/33,0 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
CMT2-.8-15 0.8 15.0 10 0.007 1.200/30,5 1.250/31,8 0.825/21,0 0.90/22,9 0.60/15,2 0.054/1,37
1. Inductance tested at 15.75 kHz 0 Adc.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
CMT-3 Series
Current Leakage Lead
Part Inductance1rating inductance DCR max H L W X Y diameter
number min (mH) (Arms) max (µH) (Ohms) max max max ±0.01/0,25 ±0.01/0,25 nom
CMT3-32-1 32.0 1.0 485 0.650 1.400/35,6 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-56-1 56.0 1.0 780 0.900 1.650/41,9 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-16-2 16.0 2.0 210 0.240 1.400/35,6 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-28-2 28.0 2.0 410 0.330 1.650/41,9 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-8-4 8.0 4.0 57.5 0.061 1.350/34,3 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-14-4 14.0 4.0 180 0.120 1.700/43,2 1.650/41,9 0.950/24,1 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-6.6-6 6.6 6.0 49 0.048 1.400/35,6 1.600/40,6 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-11.5-6 11.5 6.0 140 0.088 1.700/43,2 1.650/41,9 0.925/23,5 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-4-9 4.0 9.0 37 0.026 1.400/35,6 1.450/36,8 0.925/23,5 1.20/30,5 0.70/17,8 0.042/1,07
CMT3-7-9 7.0 9.0 104 0.045 1.760/44,7 1.760/44,7 0.975/24,8 1.20/30,5 0.70/17,8 0.042/1,07
CMT3-3-12 3.0 12.0 40 0.022 1.700/43,2 1.700/43,2 0.950/24,1 1.20/30,5 0.70/17,8 0.048/1,22
CMT3-5.2-12 5.2 12.0 47 0.025 1.700/43,2 1.700/43,2 1.000/25,4 1.20/30,5 0.70/17,8 0.048/1,22
CMT3-2.5-15 2.5 15.0 42 0.019 1.750/44,5 1.750/44,5 1.000/25,4 1.20/30,5 0.70/17,8 0.054/1,37
CMT3-4.4-15 4.4 15.0 48 0.017 1.700/43,2 1.700/43,2 1.000/25,4 1.20/30,5 0.70/17,8 0.054/1,37
1. Inductance tested at 15.75 kHz 0 Adc.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
© Coilcraft, Inc. 2005
Common Mode Line Chokes – CMT Series
Specifications subject to change without notice.
Please check our website for latest information.
CMT-4 Series
Current Leakage Lead
Part Inductance1rating inductance DCR max H L W X Y diameter
number min (mH) (Arms) max (µH) (Ohms) max max max ±0.01/0,25 ±0.01/0,25 nom
CMT4-72-1 72.0 1.0 1400 1.150 2.100/53,3 2.100/53,3 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-125-1 125.0 1.0 1400 1.150 2.200/55,9 2.150/54,6 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-36-2 36.0 2.0 680 0.415 2.215/56,3 2.150/54,6 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-62-2 62.0 2.0 750 0.415 2.200/55,9 2.150/54,6 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-19-4 19.0 4.0 350 0.150 2.200/55,9 2.180/55,4 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-32-4 32.0 4.0 370 0.158 2.200/55,9 2.180/55,4 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-15-6 15.0 6.0 275 0.114 2.200/55,9 2.180/55,4 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-26-6 26.0 6.0 320 0.115 2.225/56,5 2.180/55,4 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-10-9 10.0 9.0 190 0.057 2.200/55,9 2.180/55,4 1.130/28,7 1.50/38,1 0.90/22,9 0.042/1,07
CMT4-17-9 17.0 9.0 220 0.062 2.280/47,9 2.250/57,2 1.150/29,2 1.50/38,1 0.90/22,9 0.042/1,07
CMT4-7.5-12 7.5 12.0 140 0.042 2.200/55,9 2.250/57,2 1.130/28,7 1.50/38,1 0.90/22,9 0.048/1,22
CMT4-13-12 13.0 12.0 155 0.043 2.250/57,2 2.300/48,4 1.130/28,7 1.50/38,1 0.90/22,9 0.048/1,22
CMT4-6-15 6.0 15.0 111 0.030 2.200/55,9 2.250/57,2 1.150/29,2 1.50/38,1 0.90/22,9 0.054/1,37
CMT4-10-15 10.0 15.0 122 0.029 2.280/57,9 2.300/48,4 1.130/28,7 1.50/38,1 0.90/22,9 0.054/1,37
1. Inductance tested at 15.75 kHz 0 Adc.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
Document 326-3
Document 326-3 Revised 03/14/05
