description ? 125 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 ? ferrite core material 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: -40 to +125? ? operating ambient temperature range: -40 to +125? (range is application specific) ? solder reflo w temper ature: +260 max. for 10 seconds max. packaging ? 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 f or an approximate ? t of 40 without core loss. it is recommended that the temper ature of the par t not e xceed 125 c . (3) p eak current f or appro ximate 30% roll off at 20 c . (4) dcr limits @ 20. (5) applied volt-time product (v-?) across the inductor. this value represent the applied v - s at 100khz necessar y to gener ate a core loss equal to 10% of the total losses f or 40 c temper ature r ise . part number rated ocl (1) irms (2) isat (3) dcr (4) volt-usec (5) inductance +/-20% amperes amperes ( ) typ. (?) (?) peak typ. dr73-r33-r 0.33 0.306 6.21 14.4 0.0073 1.98 dr73-1r0-r 1.00 0.992 5.28 7.97 0.0102 3.56 dr73-1r5-r 1.50 1.482 4.67 6.52 0.0130 4.36 dr73-2r2-r 2.20 2.070 4.15 5.52 0.0165 5.15 dr73-3r3-r 3.30 3.540 3.31 4.22 0.0259 6.73 dr73-4r7-r 4.70 4.422 3.09 3.78 0.0297 7.52 dr73-6r8-r 6.80 6.480 2.55 3.12 0.0435 9.11 dr73-8r2-r 8.20 8.930 2.19 2.66 0.0592 10.7 dr73-100-r 10.0 10.30 2.08 2.47 0.0656 11.5 dr73-150-r 15.0 15.01 1.83 2.05 0.0844 13.9 dr73-220-r 22.0 22.65 1.62 1.67 0.107 17.0 DR73-330-R 33.0 34.41 1.31 1.35 0.166 21.0 dr73-470-r 47.0 48.62 1.08 1.14 0.241 24.9 dr73-680-r 68.0 68.91 0.89 0.96 0.358 29.7 dr73-820-r 82.0 80.37 0.86 0.89 0.384 32.1 dr73-101-r 100 101.4 0.73 0.79 0.527 36.0 dr73-151-r 150 150.9 0.58 0.65 0.851 44.0 dr73-221-r 220 223.3 0.52 0.53 1.05 53.5 dr73-331-r 330 325.5 0.42 0.44 1.59 64.5 dr73-471-r 470 465.8 0.35 0.37 2.36 77.2 dr73-681-r 680 676.5 0.29 0.31 3.47 93.1 dr73-821-r 820 821.7 0.27 0.28 3.93 103 dr73-102-r 1000 995.0 0.26 0.25 4.34 113 dr74-r33-r 0.33 0.294 6.26 18.4 0.0074 1.71 dr74-1r0-r 1.00 0.952 5.39 10.2 0.0099 3.08 dr74-1r5-r 1.50 1.422 4.94 8.35 0.0118 3.76 dr74-2r2-r 2.20 1.986 4.76 7.06 0.0126 4.45 dr74-3r3-r 3.30 3.396 3.94 5.40 0.0183 5.81 dr74-4r7-r 4.70 5.182 3.34 4.37 0.0254 7.18 dr74-6r8-r 6.80 7.344 2.60 3.67 0.0418 8.55 dr74-8r2-r 8.20 8.566 2.53 3.40 0.0441 9.23 dr74-100-r 10.0 9.882 2.41 3.17 0.0489 9.92 dr74-150-r 15.0 16.09 2.11 2.48 0.0637 12.7 dr74-220-r 22.0 21.73 1.75 2.13 0.0925 14.7 rohs 2 002/95/ec
(1) open circuit inductance test parameters: 100khz, 0.25vrms, 0.0adc. (2) rms current f or an appro ximate ? 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 v olt-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 f or 40 temperature rise. part number rated ocl (1) irms (2) isat (3) dcr (4) volt-usec (5) inductance +/-20% amperes amperes ( ) typ. (?) (?) peak typ. dr74-330-r 33.0 33.01 1.41 1.73 0.143 18.1 dr74-470-r 47.0 49.64 1.15 1.41 0.216 22.2 dr74-680-r 68.0 69.67 1.03 1.19 0.265 26.3 dr74-820-r 82.0 80.95 0.91 1.11 0.345 28.4 dr74-101-r 100 101.6 0.86 0.99 0.383 31.8 dr74-151-r 150 150.0 0.69 0.81 0.591 38.6 dr74-221-r 220 227.0 0.56 0.66 0.907 47.5 dr74-331-r 330 335.6 0.45 0.54 1.41 57.8 dr74-471-r 470 465.3 0.40 0.46 1.74 68.1 dr74-681-r 680 671.2 0.33 0.38 2.58 81.7 dr74-821-r 820 812.7 0.31 0.35 2.93 89.9 dr74-102-r 1000 1009 0.27 0.31 3.89 100 dr125-r47-r 0.47 0.456 17.6 33.0 0.0018 3.17 dr125-1r0-r 1.00 0.894 15.0 23.6 0.0024 4.43 dr125-1r5-r 1.50 1.478 13.8 18.3 0.0029 5.70 dr125-2r2-r 2.20 2.208 10.9 15.0 0.0045 6.97 dr125-3r3-r 3.30 3.084 9.26 12.7 0.0063 8.23 dr125-4r7-r 4.70 5.274 7.18 9.71 0.0105 10.8 dr125-6r8-r 6.80 6.588 6.64 8.68 0.0123 12.0 dr125-8r2-r 8.20 8.048 5.54 7.86 0.0176 13.3 dr125-100-r 10.0 9.654 5.35 7.17 0.0189 14.6 dr125-150-r 15.0 15.35 4.27 5.69 0.0298 18.4 dr125-220-r 22.0 22.36 3.70 4.71 0.0396 22.2 dr125-330-r 33.0 33.74 3.28 3.84 0.0505 27.2 dr125-470-r 47.0 47.47 2.71 3.24 0.0740 32.3 dr125-680-r 68.0 67.91 2.22 2.70 0.101 38.6 dr125-820-r 82.0 86.89 2.05 2.39 0.128 43.7 dr125-101-r 100 102.7 1.78 2.20 0.170 47.5 dr125-151-r 150 151.1 1.48 1.81 0.248 57.6 dr125-221-r 220 216.8 1.19 1.51 0.384 69.0 dr125-331-r 330 332.6 1.06 1.22 0.482 85.5 dr125-471-r 470 473.1 0.87 1.02 0.718 102 dr125-681-r 680 679.8 0.70 0.85 1.10 122 dr125-821-r 820 828.0 0.60 0.77 1.49 135 dr125-102-r 1000 1008 0.57 0.70 1.69 149 dr125-124-r 120000 120630 0.060 0.069 150 1521 dr127-r47-r 0.47 0.419 17.9 56.0 0.00195 3.50 dr127-1r0-r 1.00 0.821 15.5 40.0 0.00313 4.90 dr127-1r5-r 1.50 1.357 13.5 31.1 0.00341 6.30 dr127-2r2-r 2.20 2.027 12.5 25.5 0.00402 7.70 dr127-3r3-r 3.30 2.831 10.5 21.5 0.00567 9.10 dr127-4r7-r 4.70 4.841 8.25 16.5 0.00917 11.9 dr127-6r8-r 6.80 7.387 7.34 13.3 0.0116 14.7 dr127-8r2-r 8.20 8.861 6.32 12.2 0.0157 16.1 dr127-100-r 10.0 10.47 6.04 11.2 0.0172 17.5 dr127-150-r 15.0 14.09 5.03 9.66 0.0247 20.3 dr127-220-r 22.0 22.93 4.00 7.57 0.0391 25.9 dr127-330-r 33.0 33.92 3.23 6.22 0.0600 31.5 dr127-470-r 47.0 47.05 2.95 5.28 0.0719 37.1 dr127-680-r 68.0 66.48 2.44 4.44 0.105 44.1 dr127-820-r 82.0 79.75 2.09 4.06 0.143 48.3 dr127-101-r 100 99.31 1.96 3.64 0.163 53.9 dr127-151-r 150 144.9 1.59 3.01 0.247 65.1 dr127-221-r 220 221.5 1.29 2.43 0.376 80.5 dr127-331-r 330 323.6 1.04 2.01 0.574 97.3 dr127-471-r 470 467.1 0.85 1.68 0.861 117 dr127-681-r 680 676.7 0.76 1.39 1.08 141 dr127-821-r 820 818.1 0.65 1.27 1.47 155 dr127-102-r 1000 1005 0.61 1.14 1.66 172 dr series high power density, high efficiency, shielded inductors
dr127-### wwllyy r 12 2 1 8.00 max 10 12.50 max 4.90 typ 2.05 t yp. 1 12.50 max 2 b ottom view t op view schem atic 5.50 3.85 13.80 recommended pcb l ayout f ront view 2 1 12.50 max 6.00 max dr125-### wwllyy r 10 4.90 typ 2.05 t yp. 1 12.50 max 2 2 1 5.50 3.85 13.80 recommended pcb lay out schem atic top view f ront view b ottom view 4.35 max f ront view 1.13 2.0 7 .6 max 7.6 m ax b ottom view dr74 # ## top view 8.50 recommended pcb lay out 2.50 3 .25 schem atic 2 1 mechanical diagrams dr73 series b ottom view 1.13 6 .0 2 .0 7.6 max 7.6 max f ront view 3.55 max 8 .50 recommended pcb l ayout dr73 ### t op view 2.50 3.25 schem atic 2 1 dr74 series dr125 ser ies dr127 ser ies dimensions in millimeters . ### = inductance v alue per f amily char t wwllyy = (date code) r = revision level dr series high power density, high efficiency, shielded inductors
a a section a-a k o 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 d r 7 4 x x y user direction of feed 1 2 dr74 series 1 2 a a section a-a d r 1 2 5 - # # # w w l l y y r k0 1.5 dia
+0.1/-0.0 1.5 dia
min 4 .0 2 .0 16.00 1.7 11.5 2 4.0
+/-0.3 user direction of feed b0 a0 dr125 series 1 2 a a d r 1 2 7 - # # # w w l l y y 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 packaging information a a section a-a ko b o 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 d r 7 3 x x y u ser direction of feed 1 2 dr73 series dimensions are in millimeters. actual size dr73 a ctual size dr74 a ctu al size dr125 a ctu al size dr127 dr series high power density, high efficiency, shielded inductors ao=7.90mm bo=7.90mm ko=3.80mm parts packaged on 13" diameter reel, 1 ,350 parts per reel. ao=7.90mm bo=7.90mm ko=4.70mm parts packaged on 13" diameter reel, 1,100 par ts per reel. ao=13.0mm bo=13.0mm ko=6.30mm parts packaged on 13" diameter reel, 600 parts per reel. ao=13.0mm bo=13.0mm ko=8.30mm parts packaged on 13" diameter reel, 350 parts per reel.
ocl vs isat dr73 0 10 20 3 0 40 50 60 70 80 90 100 0 20 40 60 80 100 120 140 160 % of isat o c l ( % ) ocl vs isat dr74 0 20 4 0 60 80 1 00 0 20 40 60 80 100 120 140 160 180 % of isat o c l ( % ) ocl vs isat dr125 0 102 0 3 0 4 0 5 0 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 % of isat o c l ( % ) o cl vs isat dr127 0 10 20 30 4 0 50 60 7 0 80 90 1 00 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 % idc sat o c l ( % ) 10 100 1000 99 90 0 % of applied v olt- second % o f l o s s e s f r o m i r m s ( m a x i m u m ) 3 0 0 k h z 2 0 0 k h z 1 0 0 k h z 5 0 k h z 2 5 k h z irms der ating with core loss 92 94 96 98 70 5 0 30 1 0 8 0 97 95 60 80 6 0 40 30 20 200 300 400 600 800 inductance characteristics 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.cooperbussmann.com 1225 broken 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 technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic technologies also reserves 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 t echnologies 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 per form, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injur y to the user . pm-4310 3/07 cooper electr onic technologies 2007
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