description ? four sizes of through-hole off-line common mode inductors ? inductance range from 0.53 - 66 mh ? current range up to 6.5 amps ? noise attenuation up to 68 db ? frequency range up to 6 mhz ? meets ul94v-0 flammability standard ? ferrite core material applications ? protects ac input from effects of switching regulators ? off-line power supplies ? emi filters ? dc-dc converters ? computer, tv, vcr, audio and office equipment environmental data ? storage temperature range: -40 to +125? ? oper ating ambient temper ature r ange: -40 to +85? range is application specific. the internal ot--pot temperature defines the maximum allowable currents, which are limited to 130, including ambient. packaging ? supplied in bulk packaging part number ocl ocl i rms. dcr ( ) typ dcr ( ) typ (mh) min (mh) min amperes @ 20 @ 20 (1-2) (4-3) max (1-2) (4-3) cmt1-1-r 66.0 66.0 0.74 1.20 1.20 cmt1-2-r 49.0 49.0 0.88 0.85 0.85 CMT1-3-R 28.0 28.0 1.13 0.50 0.50 cmt1-4-r 21 21 1.37 0.35 0.35 cmt1-5-r 13 13 1.76 0.20 0.20 cmt1-6-r 7.50 7.50 2.27 0.13 0.13 cmt1-7-r 4.20 4.20 2.89 0.08 0.08 cmt1-8-r 2.40 2.40 3.85 0.045 0.045 cmt1-9-r 1.85 1.85 4.53 0.033 0.033 cmt1-10-r 0.94 0.94 6.05 0.018 0.018 cmt2-1-r 30 30 1.50 0.350 0.350 cmt2-2-r 20 20 1.95 0.220 0.220 cmt2-3-r 12 12 2.45 0.135 0.135 cmt2-4-r 8.0 8.0 2.80 0.100 0.100 cmt2-5-r 6.0 6.0 3.40 0.070 0.070 cmt2-6-r 4.8 4.8 3.95 0.053 0.053 cmt2-7-r 3.2 3.2 4.40 0.042 0.042 cmt2-8-r 2.4 2.4 4.75 0.037 0.037 cmt2-9-r 2.0 2.0 5.45 0.028 0.028 cmt2-10-r 1.6 1.6 5.75 0.026 0.026 cmt3-1-r 5.4 5.4 2.0 0.12 0.12 cmt3-2-r 3.5 3.5 2.6 0.08 0.08 cmt3-3-r 2.7 2.7 3.0 0.055 0.055 cmt3-4-r 1.3 1.3 4.0 0.032 0.032 cmt3-5-r 0.92 0.92 5.0 0.021 0.021 cmt3-6-r 0.53 0.53 6.5 0.013 0.013 cmt4-1-r 5.4 5.4 2.0 0.12 0.12 cmt4-2-r 3.5 3.5 2.6 0.08 0.08 cmt4-3-r 2.7 2.7 3.0 0.055 0.055 cmt4-4-r 1.3 1.3 4.0 0.032 0.032 cmt4-5-r 0.92 0.92 5.0 0.021 0.021 cmt4-6-r 0.53 0.53 6.5 0.013 0.013 definitions: ocl = open circuit inductance dcr = direct current resistance irms = rms current for 40 max temperature rise at worst case ambient temperature of 85 c electrical characteristics: ocl (1-2) 0.10vr ms , 10khz, 0.0adc: (see chart) ocl (4-3) 0.10vr ms , 10khz, 0.0adc: (see char t) dcr (1-2) typ @ 20: (see chart) dcr (4-3) typ @ 20 c: (see chart) hipot r ating: winding to winding: 2400 v ac f or 1 second. turns ratio: (1-2):(4-3) 1:1 cmt-series common mode inductors (through-hole) rohs 2 002/95/ec
mechanical diagrams c mt1 series 1 2 3 4 2 3 3 4 side view pin #1 indicato r 29.5 max 3.8 ty p 1 0.00 13.00 22.0 max 0.80 dia 36.5 max 1 2 3 4 c omponent side 1.15 dia 0. 13 13.0 0.2 0 10.0 0. 20 cmt1-x w wll yy r front view bottom view r ecommended pcb layout schematic 2 1 3 4 cmt2 series 36.5 max 4 .0 1. 0 15.0 0. 2 26.5 max 1.2 dia 3. 2 44.5 ma x 1 2 3 4 c omponent side 3.00 dia 0.13 21.0 0. 20 15.0 0.20 cmt2 - w wll yy r front view bottom view recommended pcb layout schematic 2 1 3 4 21 .0 0.2 side view 1 2 3 4 2 3 3 4 pin #1 indicator cmt3 series 25.0 max dia 14 max 5 ty p ? dia side view 1 2 4 3 2 3 1 4 3 2 component side 15.0 0.20 15.0 0.20 top view bottom view recommended pcb layout pin #1 indicator "y" dia ref "z" dia ref cmt3-1 0.58 0.83 cmt3-2 0.64 0.90 cmt3-3 0.71 0.97 cmt3-4 0.80 1.06 cmt3-5 0.89 1.15 cmt3-6 0.99 1. 25 z dia 15.0 0.2 0 15.0 0.20 3 4 2 1 y di a cmt4 ser ies cmt4-x wwllyy - r side view 1 2 3 4 pin #1 indicator "y" dia ref "z" dia ref cmt4-1 0.58 0.83 cmt4-2 0.64 0.90 cmt4-3 0.71 0.97 cmt4-4 0.80 1.06 cmt4-5 0.89 1.15 cmt4-6 0.99 1.25 y di a z dia 1 2 3 4 component side 12.0 0.20 11.0 0.20 front view bottom view recommended pcb layout 12. 00 11.0 0 25.5 max 25.0 ma x 2 1 4 1 5.0 typ 15 .4 max (1) all dimensions are in millimeters unless otherwise specified (2) tolerances are +/- 0.20mm unless stated otherwise. (3) wwllyy = (date code) r = (re vision le vel) schematic is the same for all the series cmt-series common mode inductors (through-hole)
attenuation curves atte nuatio n cmt1 series -70 -60 -50 -40 -30 -20 -10 0 0.06 0.1 0.2 0.6 1 2 4 fre quency (mhz) -6 -7 -8 -9 -10 -1 -2 -3 -4 -5 d b atte nuatio n cmt3 & cmt4 common mode -50 -45 -40 -35 -30 -25 -20 -15 -10 0.06 0.1 0.2 0.4 0.6 0.8 1 2 4 6 fre quency (mhz) -1 -2 -3 -5 -4 -6 d b atte nuatio n cmt2 series -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 0.08 0.1 0.15 0.2 0.3 0.4 0.5 0.6 0.7 0.8 fre quency (mhz) -6 -7 -8 -9 -10 -1 -2 -3 -4 -5 d b cmt-series common mode inductors (through-hole)
impedance curves impedance cmt1 - 1 thru - 5 0 10 20 30 40 5 0 6 0 7 0 8 0 9 0 1 00 0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 f requency (mhz) -1 -2 -3 -4 -5 impedance cmt1 - 6 thru -10 0 2 4 6 8 1 0 1 2 14 16 18 20 0 .05 0.2 0.4 0.6 0.8 1 1.4 f requency (mhz) -6 -7 -9 -8 -10 impedance cmt2 - 1 thru - 5 0 20 40 60 80 1 00 1 20 0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 frequency (mhz) - 1 -2 -3 -4 -5 impedance cmt2 - 6 thru -10 0 5 10 15 202 5 0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.6 frequency (mhz) -6 -7 -9 -8 -10 impedance cmt3 & cmt4 0 0.5 1 1.5 2 2.5 3 3.5 0.06 0.1 0.2 0.4 0.6 0.8 1 2 4 frequency (mhz) -4 -5 -6 impedance cmt3 & cmt4 0 5 10 15 20 25 0.06 0.1 0.2 0.4 0.6 0.8 1 2 frequency (mhz) -1 -2 -3 z ( k o h m ) z ( k o h m ) z ( k o h m ) z ( k o h m ) z ( k o h m ) z ( k o h m ) cmt-series common mode inductors (through-hole) visit us on the web at www.cooperbussmann.com 1225 brok en sound pkwy . suite f boca raton, fl 33487 t el: +1-561-998-4100 toll free: +1-888-414-2645 fax: +1-561-241-6640 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic t echnologies reser ves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic t echnologies also reser ves the right to change or update, without notice, any technical information contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. life support policy: cooper electronic technologies does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the company. life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. pm-4312 3/07 cooper electronic technologies 2007
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