drq series dual winding, shielded inductors/transformer parallel ratings series ratings part number rated ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) inductance +/-20% amperes amperes typ. -sec +/-20% amperes amperes typ. -sec (h) (h) peak (h) peak drq73-r33 0.33 0.306 6.19 14.4 0.0074 1.98 1.224 3.10 7.18 0.0296 3.96 drq73-1r0 1.00 0.992 5.25 7.97 0.0103 3.56 3.968 2.63 3.99 0.0411 7.12 drq73-1r5 1.50 1.482 4.64 6.52 0.0132 4.36 5.928 2.32 3.26 0.0527 8.72 drq73-2r2 2.20 2.070 4.11 5.52 0.0167 5.15 8.280 2.06 2.76 0.0669 10.3 drq73-3r3 3.30 3.540 3.31 4.22 0.0259 6.73 14.16 1.66 2.11 0.1035 13.5 drq73-4r7 4.70 4.422 3.09 3.78 0.0297 7.52 17.69 1.55 1.89 0.1188 15.0 drq73-6r8 6.80 6.480 2.55 3.12 0.0435 9.11 25.92 1.28 1.56 0.1742 18.2 drq73-8r2 8.20 8.930 2.19 2.66 0.0592 10.7 35.72 1.10 1.33 0.2368 21.4 drq73-100 10.0 10.30 2.08 2.47 0.0656 11.5 41.20 1.04 1.24 0.2623 23.0 drq73-150 15.0 15.01 1.83 2.05 0.0844 13.9 60.04 0.916 1.03 0.339 27.8 drq73-220 22.0 22.65 1.62 1.67 0.107 17.0 90.60 0.811 0.83 0.429 34.0 drq73-330 33.0 34.41 1.31 1.35 0.166 21.0 137.6 0.653 0.68 0.665 42.0 drq73-470 47.0 48.62 1.08 1.14 0.241 24.9 194.5 0.542 0.57 0.965 49.8 drq73-680 68.0 68.91 0.89 0.96 0.358 29.7 275.6 0.444 0.48 1.43 59.4 drq73-820 82.0 80.37 0.86 0.89 0.384 32.1 321.5 0.430 0.44 1.54 64.2 drq73-101 100 101.4 0.73 0.79 0.527 36.0 405.6 0.367 0.39 2.11 72.0 drq73-151 150 150.9 0.58 0.65 0.851 44.0 603.6 0.289 0.32 3.41 88.0 drq73-221 220 223.3 0.52 0.53 1.05 53.5 893.2 0.260 0.27 4.20 107 drq73-331 330 325.5 0.42 0.44 1.59 64.5 1302 0.211 0.22 6.36 129 drq73-471 470 465.8 0.35 0.37 2.36 77.2 1863 0.173 0.18 9.44 154 drq73-681 680 676.5 0.29 0.31 3.47 93.1 2706 0.143 0.15 13.88 186 drq73-821 820 821.7 0.27 0.28 3.93 103 3287 0.134 0.14 15.72 206 drq73-102 1000 995.0 0.26 0.25 4.34 113 3980 0.128 0.13 17.36 226 1) open circuit inductance test parameters: 100khz, 0.25 vrms, 0.0 adc pa r allel: (1,2 - 4,2) series: (1 - 4) tie (2 - 3) 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 approximately 30% roll-off at 20? 4) dcr limits @ 20? 5) applied volt-time product (v-?) across the inductor. this value represents the applied v-? at 100khz necessary to generate a core loss equal to 10% of the total losses for a 40? temperature rise. 6) turns ratio (1-2):(3-4) 1:1 description ?125c maximum total temperature operation ?dual winding inductors that can be used as either a single inductor, or in coupled inductor/transformer applications (1:1 turns ratio) ?four sizes of shielded drum core inductors ?windings can be connected in series or parallel, offering a broad range of inductance and current ratings ?peak current ratings from 0.13 amps to 56 amps ?rms current ratings from 0.128 amps to 17.9 amps ?inductance ratings from 0.33? to 4.02mh ?surface mount ?200 vac isolation between windings ?rohs compliant (-r option) applications ?as a transformer: sepic, flyback ?as an inductor: buck, boost, coupled inductor ?dc/dc converters ?vrm inductor for cpu and ddr power supplies ?input and output filter chokes environmental data ?storage temperature: -40? to +125? ?operating temperature: -40? to +125? (range is application specific). ?ir reflow temperature: 240? for 30 seconds max. pa ck a ging ?supplied in tape and reel packaging, 1350 (drq73), 1100 (drq74), 600 (drq125), and 350 (drq127) per reel
drq series dual winding, shielded inductors/transformer parallel ratings series ratings part number rated ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) inductance +/-20% amperes amperes typ. -sec +/-20% amperes amperes typ. -sec (h) (h) peak (h) peak drq74-r33 0.33 0.294 6.20 18.4 0.0074 1.71 1.176 3.10 9.18 0.0295 3.42 drq74-1r0 1.00 0.952 5.33 10.2 0.0100 3.08 3.808 2.66 5.10 0.0400 6.16 drq74-1r5 1.50 1.422 4.96 8.35 0.0115 3.76 5.688 2.48 4.17 0.0461 7.52 drq74-2r2 2.20 1.986 4.66 7.06 0.0130 4.45 7.944 2.33 3.53 0.0521 8.9 drq74-3r3 3.30 3.396 3.94 5.40 0.0183 5.81 13.58 1.97 2.70 0.0732 11.6 drq74-4r7 4.70 5.182 3.34 4.37 0.0254 7.18 20.73 1.67 2.19 0.102 14.4 drq74-6r8 6.80 7.344 2.60 3.67 0.0418 8.55 29.38 1.30 1.84 0.167 17.1 drq74-8r2 8.20 8.566 2.53 3.40 0.0441 9.23 34.26 1.27 1.70 0.177 18.5 drq74-100 10.0 9.882 2.41 3.17 0.0489 9.92 39.53 1.20 1.58 0.196 19.8 drq74-150 15.0 16.09 2.11 2.48 0.0637 12.7 64.36 1.05 1.24 0.255 25.4 drq74-220 22.0 21.73 1.75 2.13 0.0925 14.7 86.92 0.874 1.07 0.371 29.4 drq74-330 33.0 33.01 1.41 1.73 0.143 18.1 132.0 0.702 0.87 0.574 36.2 drq74-470 47.0 49.64 1.15 1.41 0.216 22.2 198.6 0.573 0.71 0.865 44.4 drq74-680 68.0 69.67 1.03 1.19 0.265 26.3 278.7 0.517 0.60 1.06 52.6 drq74-820 82.0 80.95 0.91 1.11 0.345 28.4 323.8 0.453 0.55 1.38 56.8 drq74-101 100 101.6 0.86 0.99 0.383 31.8 406.4 0.430 0.49 1.53 63.6 drq74-151 150 150.0 0.69 0.81 0.591 38.6 600.0 0.346 0.41 2.37 77.2 drq74-221 220 227.0 0.56 0.66 0.907 47.5 908.0 0.279 0.33 3.63 95 drq74-331 330 335.6 0.45 0.54 1.41 57.8 1342 0.224 0.27 5.66 116 drq74-471 470 465.3 0.40 0.46 1.74 68.1 1861 0.202 0.23 6.97 136 drq74-681 680 671.2 0.33 0.38 2.58 81.7 2685 0.166 0.19 10.3 163 drq74-821 820 812.7 0.31 0.35 2.93 89.9 3251 0.156 0.17 11.7 180 drq74-102 1000 1009 0.27 0.31 3.89 100 4036 0.135 0.16 15.6 200 drq125-r47 0.47 0.456 17.6 33.0 0.0018 3.17 1.824 8.80 16.5 0.0078 6.34 drq125-1r0 1.00 0.894 15.0 23.6 0.0024 4.43 3.576 7.51 11.8 0.096 8.86 drq125-1r5 1.50 1.478 13.8 18.3 0.0029 5.70 5.912 6.89 9.15 0.0114 11.40 drq125-2r2 2.20 2.208 10.9 15.0 0.0045 6.97 8.832 5.46 7.50 0.0182 13.9 drq125-3r3 3.30 3.084 9.26 12.7 0.0063 8.23 12.34 4.63 6.35 0.0253 16.5 DRQ125-4R7 4.70 5.274 7.18 9.71 0.0105 10.8 21.10 3.59 4.86 0.0420 21.6 drq125-6r8 6.80 6.588 6.64 8.68 0.0123 12.0 26.35 3.32 4.34 0.0492 24.0 drq125-8r2 8.20 8.048 5.54 7.86 0.0176 13.3 32.19 2.77 3.93 0.0705 26.6 drq125-100 10.0 9.654 5.35 7.17 0.0189 14.6 38.62 2.67 3.59 0.0757 29.2 drq125-150 15.0 15.35 4.27 5.69 0.0298 18.4 61.40 2.13 2.85 0.120 36.8 drq125-220 22.0 22.36 3.70 4.71 0.0396 22.2 89.44 1.84 2.36 0.159 44.4 drq125-330 33.0 33.74 3.28 3.84 0.0505 27.2 135.0 1.64 1.92 0.203 54.4 drq125-470 47.0 47.47 2.71 3.24 0.0740 32.3 189.9 1.35 1.62 0.297 64.6 drq125-680 68.0 67.91 2.22 2.70 0.101 38.6 271.6 1.11 1.35 0.440 77.2 drq125-820 82.0 86.89 2.05 2.39 0.128 43.7 347.6 1.03 1.20 0.515 87.4 drq125-101 100 102.7 1.78 2.20 0.170 47.5 410.8 0.892 1.10 0.682 95.0 drq125-151 150 151.1 1.48 1.81 0.248 57.6 604.4 0.739 0.905 0.991 115.2 drq125-221 220 216.8 1.19 1.51 0.384 69.0 867.2 0.594 0.755 1.54 138 drq125-331 330 332.6 1.06 1.22 0.482 85.5 1330 0.530 0.610 1.93 171 drq125-471 470 473.1 0.87 1.02 0.718 102 1892 0.434 0.510 2.87 204 drq125-681 680 679.8 0.70 0.85 1.10 122 2719 0.350 0.425 4.42 244 drq125-821 820 828.0 0.60 0.77 1.49 135 3312 0.301 0.385 5.96 270 drq125-102 1000 1008 0.57 0.70 1.69 149 4032 0.283 0.350 6.76 298 1) open circuit inductance test parameters: 100khz, 0.25 vrms, 0.0 adc pa r allel: (1,2 - 4,2) series: (1 - 4) tie (2 - 3) 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 approximately 30% roll-off at 20? 4) dcr limits @ 20? 5) applied volt-time product (v-?) across the inductor. this value represents the applied v-? at 100khz necessary to generate a core loss equal to 10% of the total losses for a 40? temperature rise. 6) turns ratio (1-2):(3-4) 1:1
drq series dual winding, shielded inductors/transformer parallel ratings series ratings part number rated ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) ocl (1) i rms (2) i sat (3) dcr ? (4) volt (5) inductance +/-20% amperes amperes typ. -sec +/-20% amperes amperes typ. -sec (h) (h) peak (h) peak drq127-r47 0.47 0.419 17.9 56.0 0.00195 3.50 1.676 8.94 28 0.0078 7.00 drq127-1r0 1.00 0.821 15.5 40.0 0.00261 4.90 3.284 7.74 20 0.0104 9.80 drq127-1r5 1.50 1.357 13.5 31.1 0.00341 6.30 5.428 6.77 15.6 0.0137 12.60 drq127-2r2 2.20 2.027 12.5 25.5 0.00373 7.70 8.108 6.23 12.7 0.0161 15.4 drq127-3r3 3.30 2.831 10.4 21.5 0.00567 9.10 11.32 5.23 10.8 0.0229 18.2 drq127-4r7 4.70 4.841 8.25 16.5 0.00917 11.9 19.36 4.13 8.24 0.0367 23.8 drq127-6r8 6.80 7.387 7.34 13.3 0.0116 14.7 29.55 3.67 6.67 0.0465 29.4 drq127-8r2 8.20 8.861 6.32 12.2 0.0157 16.1 35.44 3.16 6.09 0.0627 32.2 drq127-100 10.0 10.47 6.04 11.2 0.0172 17.5 41.88 3.02 5.60 0.0686 35.0 drq127-150 15.0 14.09 5.03 9.66 0.0247 20.3 56.36 2.51 4.83 0.0990 40.6 drq127-220 22.0 22.93 4.00 7.57 0.0391 25.9 91.72 2.00 3.78 0.157 51.8 drq127-330 33.0 33.92 3.23 6.22 0.0600 31.5 135.7 1.61 3.11 0.241 63.0 drq127-470 47.0 47.05 2.95 5.28 0.0719 37.1 188.2 1.47 2.64 0.288 74.2 drq127-680 68.0 66.48 2.44 4.44 0.105 44.1 265.9 1.22 2.22 0.421 88.2 drq127-820 82.0 79.75 2.09 4.06 0.143 48.3 319.0 1.04 2.03 0.573 96.6 drq127-101 100 99.31 1.96 3.64 0.163 53.9 397.2 0.980 1.82 0.653 107.8 drq127-151 150 144.9 1.59 3.01 0.247 65.1 579.6 0.796 1.51 0.989 130.2 drq127-221 220 221.5 1.29 2.43 0.376 80.5 886.0 0.645 1.22 1.50 161 drq127-331 330 323.6 1.04 2.01 0.574 97.3 1294 0.522 1.01 2.30 195 drq127-471 470 467.1 0.85 1.68 0.861 117 1868 0.427 0.838 3.44 234 drq127-681 680 676.7 0.76 1.39 1.08 141 2707 0.380 0.697 4.32 282 drq127-821 820 818.1 0.65 1.27 1.47 155 3272 0.325 0.633 5.88 310 drq127-102 1000 1005 0.61 1.14 1.66 172 4020 0.307 0.571 6.64 344 1) open circuit inductance test parameters: 100khz, 0.25 vrms, 0.0 adc pa r allel: (1,2 - 4,2) series: (1 - 4) tie (2 - 3) 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 approximately 30% roll-off at 20? 4) dcr limits @ 20? 5) applied volt-time product (v-?) across the inductor. this value represents the applied v-? at 100khz necessary to generate a core loss equal to 10% of the total losses for a 40? temperature rise. 6) turns ratio (1-2):(3-4) 1:1 option code option code description -r rohs compliant version
drq series dual winding, shielded inductors/transformer bottom view 0.60 6.1 0.73 7.6 max front view top view drq74 ### 7. 9 7. 9 series mode dual inductor mode 1. 73 recommended pcb layout 0. 40 1. 73 1. 00 1. 00 0. 40 series mode dual inductor l2 3 l1 1 4 2 l1 3 1 schematic l2 4 2 3 1 4 parallel mode l1 l2 2 7.6 max 4.45 max mechanical diagrams drq73 series bottom view 0.60 6. 1 0. 73 0.8 0 7.6 max. front view top view drq73 ## # 7. 9 7.9 series mode dual inductor mode 1.73 recommended pcb layout 0.40 1.73 1.00 1.00 0.40 series mode dual inductor l2 3 l1 1 4 2 l1 3 1 schemati c l2 4 2 3 1 l2 l1 4 parallel mode 2 3. 55 max 7.6 max. drq74 series dimensions in millimeters. ### = inductance value per family chart wwllyy = (date code) r = revision level
drq series dual winding, shielded inductors/transformer 2.50 2.05 10.0 bottom view 2.00 1 2 12.5 max 4 3 1 2 drq127 ### wwll yy 4 3 dual inductor mode series mode 3.85 13.80 recommended pcb layout 13.80 0.50 3.85 1 2.50 2 0.50 4 3 12.5 max 8.0 max front view top view schematic 34 dual inductor 1 l1 2 l2 3 series mode l1 1 l2 l2 parallel mode 4 3 1 2 l1 2 4 2.50 2.05 12.5 max 10.0 2.00 1 2 4 3 12.5 max bottom view front vie w top view 6.00 max 1 2 drq125 ### ww lly y 4 3 dual inductor mode series mode 3.85 13.80 recommended pcb layout 13.80 1 0.50 2 3.85 1 4 2.50 3 2 0.50 4 3 schematic series mode l1 l1 l2 3 43 dual inductor 1 21 l2 l1 l2 4 34 parallel mode 2 1 2 mechanical diagrams drq125 series drq127 series dimensions in millimeters. ### = inductance value per family chart wwllyy = (date code) r = revision level
drq series dual winding, shielded inductors/transformer s e c ti o n a- a a a dr q 7 4 ### k o bo b 2. 00 0.1 4. 00 1. 50 + 0 .1 / - 0 . 0 a o 1 6 . 00 0.3 0 7. 50 0 . 1 1.7 5 0 .1 0 1. 50 min . 12.00 0 2 1 3 4 drq74 series 1 2 4 3 a a dr q 12 5 ### ww ll y y ? s e c ti o n a- a k 0 1. 5 di a + 0 .1 / - 0 . 0 1. 5 di a min 4. 0 2. 0 1 6 . 00 1.7 11.5 24. 0 +/-0.3 0 b0 b a 0 drq125 series 1 2 4 3 a a dr q 12 7 ## # ww ll y y s e c ti o n a- a r 0 . 3 max . r 0 . 5 typ . k 0 1. 5 di a + 0 .1 / - 0 . 0 1. 5 di a min 4. 0 2. 0 2 0 . 00 1.7 11.5 . 24. 0 +/-0.3 0 b0 b a 0 drq127 series pa ck a ging information drq73 series dimensions are in millimeters. direction of feed ? direction of feed ? direction of feed ? direction of feed ? pa r ts packaged on 13" diameter reel, 1,350 parts per reel. pa r ts packaged on 13" diameter reel, 1,100 parts per reel. pa r ts packaged on 13" diameter reel, 600 parts per reel. pa r ts packaged on 13" diameter reel, 350 parts per reel. ao=7.90mm bo=7.90mm ko=3.80mm ao=7.90mm bo=7.90mm ko=4.70mm ao=13.00mm bo=13.00mm ko=6.30mm ao=13.00mm bo=13.00mm ko=8.30mm a ctual size drq73 a ctual size drq74 a ctual size drq125 a ctual size drq127
drq series dual winding, shielded inductors/transformer 0 10 20 30 40 50 60 70 80 90 100 0204 06080 100 120 140 160 % of i sat ocl (%) ocl vs isat drq73 0 20 40 60 80 100 020406 080 100 120 140 160 180 % of isat ocl (%) ocl vs isat drq74 0 10 20 30 40 50 60 70 80 90 100 0102 03040506070809 0 100 110 120 130 140 150 % of i sat ocl (%) ocl vs isat drq125 0 10 20 30 40 50 60 70 80 90 100 01020304 0506 0708090100 110 120 130 140 150 % id c sat ocl (%) ocl vs isat drq127 irms derating with core loss % of applied volt- second % of losses from irms (maximum) 300 k h z 200 khz 100 khz 50 khz 25 khz rolloff core loss
drq series dual winding, shielded inductors/transformer 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-4315 7/05 ? cooper electronic t echnologies 2005
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