description ?125c maximum total temperature operation ?four sizes of shielded drum core inductors ?inductance range from 0.33uh to 1000uh ?current range up to 56 amps peak ?magnetic shielding ?secure mounting ?rohs compliant (-r option) applications ?computer, dvd players, and portable power devices ?lcd panels ?dc-dc converters ?buck, boost, forward, and resonant converters ?noise filtering and filter chokes environmental data ?storage temperature range: -40c to +125c ?operating ambient temperature range: -40c to +125c (range is application specific) ?infrared reflow temperature: +240c for 30 seconds max. pa ck a ging ?supplied in tape and reel packaging, 1350 (dr73), 1100 (dr74), 600 (dr125), and 350 (dr127) per reel dr series high power density, high efficiency, shielded inductors (1) open circuit inductance test parameters: 100khz, 0.25vrms, 0.0adc. (2) rms current for an approximate ? t of 40? without core loss. it is recommended that the temperature of the part not exceed 125?. (3) peak current for approximate 30% roll off at 20?. (4) dcr limits @ 20?. (5) applied volt-time product (v-?) across the inductor. this value represent the applied v-? at 100khz necessary to generate a core loss equal to 10% of the total losses for 40? temperature rise. pa rt number rated ocl (1) irms (2) isat (3) dcr (4) vo lt-usec (5) inductance +/-20% amperes amperes ( ? )t yp. (h) (h) peak typ. dr73-r33 0.33 0.306 6.21 14.4 0.0073 1.98 dr73-1r0 1.00 0.992 5.28 7.97 0.0102 3.56 dr73-1r5 1.50 1.482 4.67 6.52 0.0130 4.36 dr73-2r2 2.20 2.070 4.15 5.52 0.0165 5.15 dr73-3r3 3.30 3.540 3.31 4.22 0.0259 6.73 dr73-4r7 4.70 4.422 3.09 3.78 0.0297 7.52 dr73-6r8 6.80 6.480 2.55 3.12 0.0435 9.11 dr73-8r2 8.20 8.930 2.19 2.66 0.0592 10.7 dr73-100 10.0 10.30 2.08 2.47 0.0656 11.5 dr73-150 15.0 15.01 1.83 2.05 0.0844 13.9 dr73-220 22.0 22.65 1.62 1.67 0.107 17.0 dr73-330 33.0 34.41 1.31 1.35 0.166 21.0 dr73-470 47.0 48.62 1.08 1.14 0.241 24.9 dr73-680 68.0 68.91 0.89 0.96 0.358 29.7 dr73-820 82.0 80.37 0.86 0.89 0.384 32.1 dr73-101 100 101.4 0.73 0.79 0.527 36.0 dr73-151 150 150.9 0.58 0.65 0.851 44.0 dr73-221 220 223.3 0.52 0.53 1.05 53.5 dr73-331 330 325.5 0.42 0.44 1.59 64.5 dr73-471 470 465.8 0.35 0.37 2.36 77.2 dr73-681 680 676.5 0.29 0.31 3.47 93.1 dr73-821 820 821.7 0.27 0.28 3.93 103 dr73-102 1000 995.0 0.26 0.25 4.34 113 dr74-r33 0.33 0.294 6.26 18.4 0.0074 1.71 dr74-1r0 1.00 0.952 5.39 10.2 0.0099 3.08 dr74-1r5 1.50 1.422 4.94 8.35 0.0118 3.76 dr74-2r2 2.20 1.986 4.76 7.06 0.0126 4.45 dr74-3r3 3.30 3.396 3.94 5.40 0.0183 5.81 dr74-4r7 4.70 5.182 3.34 4.37 0.0254 7.18 dr74-6r8 6.80 7.344 2.60 3.67 0.0418 8.55 dr74-8r2 8.20 8.566 2.53 3.40 0.0441 9.23 dr74-100 10.0 9.882 2.41 3.17 0.0489 9.92 dr74-150 15.0 16.09 2.11 2.48 0.0637 12.7 dr74-220 22.0 21.73 1.75 2.13 0.0925 14.7 option code option code description -r rohs compliant version
(1) open circuit inductance test parameters: 100khz, 0.25vrms, 0.0adc. (2) rms current for an approximate ? t of 40? without core loss. it is recommended that the temperature of the part not exceed 125?. (3) peak current for approximate 30% roll off at 20?. (4) dcr limits @ 20?. (5) applied volt-time product (v-?) across the inductor. this value represent the applied v-? at 100khz necessary to generate a core loss equal to 10% of the total losses for 40? temperature rise. pa rt number rated ocl (1) irms (2) isat (3) dcr (4) vo lt-usec (5) inductance +/-20% amperes amperes ( ? )t yp. (h) (h) peak typ. dr74-330 33.0 33.01 1.41 1.73 0.143 18.1 dr74-470 47.0 49.64 1.15 1.41 0.216 22.2 dr74-680 68.0 69.67 1.03 1.19 0.265 26.3 dr74-820 82.0 80.95 0.91 1.11 0.345 28.4 dr74-101 100 101.6 0.86 0.99 0.383 31.8 dr74-151 150 150.0 0.69 0.81 0.591 38.6 dr74-221 220 227.0 0.56 0.66 0.907 47.5 dr74-331 330 335.6 0.45 0.54 1.41 57.8 dr74-471 470 465.3 0.40 0.46 1.74 68.1 dr74-681 680 671.2 0.33 0.38 2.58 81.7 dr74-821 820 812.7 0.31 0.35 2.93 89.9 dr74-102 1000 1009 0.27 0.31 3.89 100 dr125-r47 0.47 0.456 17.6 33.0 0.0018 3.17 dr125-1r0 1.00 0.894 15.0 23.6 0.0024 4.43 dr125-1r5 1.50 1.478 13.8 18.3 0.0029 5.70 dr125-2r2 2.20 2.208 10.9 15.0 0.0045 6.97 dr125-3r3 3.30 3.084 9.26 12.7 0.0063 8.23 dr125-4r7 4.70 5.274 7.18 9.71 0.0105 10.8 dr125-6r8 6.80 6.588 6.64 8.68 0.0123 12.0 dr125-8r2 8.20 8.048 5.54 7.86 0.0176 13.3 dr125-100 10.0 9.654 5.35 7.17 0.0189 14.6 dr125-150 15.0 15.35 4.27 5.69 0.0298 18.4 dr125-220 22.0 22.36 3.70 4.71 0.0396 22.2 dr125-330 33.0 33.74 3.28 3.84 0.0505 27.2 dr125-470 47.0 47.47 2.71 3.24 0.0740 32.3 dr125-680 68.0 67.91 2.22 2.70 0.101 38.6 dr125-820 82.0 86.89 2.05 2.39 0.128 43.7 dr125-101 100 102.7 1.78 2.20 0.170 47.5 dr125-151 150 151.1 1.48 1.81 0.248 57.6 dr125-221 220 216.8 1.19 1.51 0.384 69.0 dr125-331 330 332.6 1.06 1.22 0.482 85.5 dr125-471 470 473.1 0.87 1.02 0.718 102 dr125-681 680 679.8 0.70 0.85 1.10 122 dr125-821 820 828.0 0.60 0.77 1.49 135 dr125-102 1000 1008 0.57 0.70 1.69 149 dr125-124 120000 120630 0.060 0.069 150 1521 dr127-r47 0.47 0.419 17.9 56.0 0.00195 3.50 dr127-1r0 1.00 0.821 15.5 40.0 0.00313 4.90 dr127-1r5 1.50 1.357 13.5 31.1 0.00341 6.30 dr127-2r2 2.20 2.027 12.5 25.5 0.00402 7.70 dr127-3r3 3.30 2.831 10.5 21.5 0.00567 9.10 DR127-4R7 4.70 4.841 8.25 16.5 0.00917 11.9 dr127-6r8 6.80 7.387 7.34 13.3 0.0116 14.7 dr127-8r2 8.20 8.861 6.32 12.2 0.0157 16.1 dr127-100 10.0 10.47 6.04 11.2 0.0172 17.5 dr127-150 15.0 14.09 5.03 9.66 0.0247 20.3 dr127-220 22.0 22.93 4.00 7.57 0.0391 25.9 dr127-330 33.0 33.92 3.23 6.22 0.0600 31.5 dr127-470 47.0 47.05 2.95 5.28 0.0719 37.1 dr127-680 68.0 66.48 2.44 4.44 0.105 44.1 dr127-820 82.0 79.75 2.09 4.06 0.143 48.3 dr127-101 100 99.31 1.96 3.64 0.163 53.9 dr127-151 150 144.9 1.59 3.01 0.247 65.1 dr127-221 220 221.5 1.29 2.43 0.376 80.5 dr127-331 330 323.6 1.04 2.01 0.574 97.3 dr127-471 470 467.1 0.85 1.68 0.861 117 dr127-681 680 676.7 0.76 1.39 1.08 141 dr127-821 820 818.1 0.65 1.27 1.47 155 dr127-102 1000 1005 0.61 1.14 1.66 172 dr series high power density, high efficiency, shielded inductors
dr127-### ww llyy r 12 2 1 8.00 max 10 12.50 max 4.90 typ 2.05 typ. 1 12.50 ma x 2 bottom view top view schematic 5.5 0 3.8 5 13.80 recommended pcb layout front view 2 1 12.50 ma x 6.00 ma x dr 125-### wwllyy r 10 4 .90 typ 2 .05 typ. 1 12.50 ma x 2 2 1 5 .50 3 .85 1 3.80 recommended pcb layout schematic top view front view bottom view 4.35 max front view 1.1 3 2.0 7.6 max 7.6 ma x bottom view dr74 ## # top view 8.5 0 recommended pcb layout 2.50 3.25 schematic 2 1 mechanical diagrams dr73 series bottom view 1.1 3 6. 0 2.0 7.6 max 7. 6 max front view 3.55 ma x 8. 50 recommended pcb layout dr73 ### top view 2.5 0 3.2 5 schematic 2 1 dr74 series dr125 series dr127 series dimensions in millimeters. ### = inductance value per family chart wwllyy = (date code) r = revision level dr series high power density, high efficiency, shielded inductors
a a section a-a ko bo 2.00 0.1 4.00 1.50 +0.1/-0.0 ao 16.00 0.3 7.50 0.1 1.75 0.10 1.50 min. 12.00 dr74 xxy user direction of feed 1 2 dr74 series 1 2 a a section a-a dr125-### wwllyy r k0 1.5 dia +0.1/-0.0 1.5 dia min 4.0 2.0 16.00 1.7 11.5 24.0 +/-0.3 user direction of feed b0 a0 dr125 series 1 2 a a dr127-### wwllyy r section a-a k0 1.5 dia +0.1/-0.0 1.5 dia min 4.0 2.0 20.00 1.7 11.5 24.0 +/-0.3 user direction of feed b0 a0 dr127 series pa ck a ging information a a section a-a ko bo 2.00 0.1 4.00 1.50 +0.1/-0.0 ao 16.00 0.3 7.50 0.1 1.75 0.10 1.50 min. 12.00 dr73 xxy user direction of feed 1 2 dr73 series dimensions are in millimeters. a ctual size dr73 a ctual size dr74 a ctual size dr125 a ctual size dr127 dr series high power density, high efficiency, shielded inductors ao=7.90mm bo=7.90mm ko=3.80mm pa r ts packaged on 13" diameter reel, 1,350 parts per reel. ao=7.90mm bo=7.90mm ko=4.70mm pa r ts packaged on 13" diameter reel, 1,100 parts per reel. ao=13.0mm bo=13.0mm ko=6.30mm pa r ts packaged on 13" diameter reel, 600 parts per reel. ao=13.0mm bo=13.0mm ko=8.30mm pa r ts packaged on 13" diameter reel, 350 parts per reel.
ocl vs isat dr73 0 10 20 30 40 50 60 70 80 90 100 0204 06080100 120 140 160 % of isat ocl (%) ocl vs isat dr74 0 20 40 60 80 100 020406 080100 120 140 160 180 % of isat ocl (%) ocl vs isat dr125 0 10 20 30 40 50 60 70 80 90 100 0102 030405060708090100110120130140150 % of isat ocl (%) ocl vs isat dr127 0 10 20 30 40 50 60 70 80 90 100 0102 0304050607080901 00 110 120 130 140 150 % idc sat ocl (%) 1 0 1 00 1 000 99 90 0 % of a pp lied volt - s econ d 300 kh z 300 200 kh z 0k 100 kh z 1 50 k h z 25 kh z z irms deratin g with co re l oss 92 94 96 98 7 0 50 30 1 0 80 97 95 60 80 60 4 0 30 2 0 2 00 300 4 00 600 800 rolloff core loss dr series high power density, high efficiency, shielded inductors
dr series high power density, high efficiency, shielded inductors visit us on the web at www.cooperet.com 3601 quantum boulevard boynton beach, florida 33426-8638 t el: +1-561-752-5000 toll free: +1-888-414-2645 fax: +1-561-742-1178 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 reserves the right, without notice, to change design or construction of any products and to discontinue or limit d istribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical information contained in thi s 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 d evices or systems without the express written approval of an officer of the company. life support systems are devices which support or sustain life, and whos e failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in signifi cant injury to the user. pm-4310 7/05 ? cooper electronic t echnologies 2005
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