sdq series low profile dual winding shielded inductor/transformer p p a a r r a a l l l l e e l l r r a a t t i i n n g g s s s s e e r r i i e e s s r r a a t t i i n n g g s s p p a a r r t t n n u u m m b b e e r r r r a a t t e e d d p p a a r r t t o o c c l l ( ( 1 1 ) ) i i r r m m s s ( ( 2 2 ) ) i i s s a a t t ( ( 3 3 ) ) d d c c r r ( ( 4 4 ) ) v v o o l l t t ( ( 5 5 ) ) o o c c l l ( ( 1 1 ) ) i i r r m m s s ( ( 2 2 ) ) i i s s a a t t ( ( 3 3 ) ) d d c c r r ( ( 4 4 ) ) v v o o l l t t ( ( 5 5 ) ) i i n n d d u u c c t t a a n n c c e e m m a a r r k k i i n n g g + + / / - - 2 2 0 0 % % a a m m p p e e r r e e s s a a m m p p e e r r e e s s t t y y p p . . - - s s e e c c + + / / - - 2 2 0 0 % % a a m m p p e e r r e e s s a a m m p p e e r r e e s s t t y y p p . . - - s s e e c c ( ( h h ) ) ( ( h h ) ) t t y y p p . . ( ( h h ) ) t t y y p p . . s s d d q q 1 1 2 2 - - r r 4 4 7 7 - - r r 0.47 a 0.49 2.78 4.34 0.0325 2.45 1.96 1.39 2.17 0.1298 4.90 s s d d q q 1 1 2 2 - - 1 1 r r 0 0 - - r r 1 b 0.81 2.49 3.38 0.0403 3.15 3.24 1.25 1.69 0.1611 6.30 s s d d q q 1 1 2 2 - - 1 1 r r 5 5 - - r r 1.5 c 1.69 1.69 2.34 0.0870 4.55 6.76 0.847 1.17 0.3481 9.10 s s d d q q 1 1 2 2 - - 2 2 r r 2 2 - - r r 2.2 d 2.25 1.60 2.03 0.0977 5.25 9.00 0.800 1.01 0.3908 10.5 s s d d q q 1 1 2 2 - - 3 3 r r 3 3 - - r r 3.3 e 3.61 1.28 1.60 0.1527 6.65 14.44 0.640 0.800 0.6106 13.3 s s d d q q 1 1 2 2 - - 4 4 r r 7 7 - - r r 4.7 f 4.41 1.12 1.45 0.1990 7.35 17.64 0.560 0.724 0.7959 14.7 s s d d q q 1 1 2 2 - - 6 6 r r 2 2 - - r r 6.2 g 6.25 1.02 1.22 0.2387 8.75 25.00 0.512 0.608 0.9548 17.5 s s d d q q 1 1 2 2 - - 8 8 r r 2 2 - - r r 8.2 h 8.41 0.868 1.05 0.3318 10.15 33.64 0.434 0.524 1.33 20.3 s s d d q q 1 1 2 2 - - 1 1 0 0 0 0 - - r r 10 j 9.61 0.831 0.981 0.3620 10.85 38.44 0.416 0.490 1.45 21.7 s s d d q q 1 1 2 2 - - 1 1 5 5 0 0 - - r r 15 k 15.21 0.658 0.779 0.5766 13.65 60.84 0.329 0.390 2.31 27.3 s s d d q q 1 1 2 2 - - 2 2 2 2 0 0 - - r r 22 l 22.09 0.548 0.647 0.8332 16.45 88.36 0.274 0.323 3.33 32.9 s s d d q q 1 1 2 2 - - 3 3 3 3 0 0 - - r r 33 m 32.49 0.439 0.533 1.29 19.95 130.0 0.220 0.267 5.18 39.9 s s d d q q 1 1 2 2 - - 4 4 7 7 0 0 - - r r 47 n 47.61 0.401 0.441 1.55 24.15 190.4 0.201 0.220 6.21 48.3 s s d d q q 1 1 2 2 - - 6 6 8 8 0 0 - - r r 68 o 68.89 0.326 0.366 2.36 29.05 275.6 0.163 0.183 9.43 58.1 s s d d q q 1 1 2 2 - - 8 8 2 2 0 0 - - r r 82 p 82.81 0.309 0.334 2.62 31.85 331.2 0.154 0.167 10.49 63.7 1) test parameters: 100khz,.0.25 vrms 0.0adc 2) rms current for approximately ? t of 40 without core loss. it is recommended that the temperature of the part not to exceed 125. de-rating is necessary for ac currents 3) peak current for approximately 30% rolloff @20 4) dcr limits @20 5) applied volt-time product (v-?) across the inductor at 100khz necessary to generate a core loss equal to 10% of the total losses for a 40 temperature rise. de-rating of the irms is required to prevent excessive temperature rise. part number definition: first 3 characters = product code and size. last 3 characters = inductance in uh. r = decimal point. if no r is present, third character = # of zeros. sdq12-xxx-r sdq12 = product code and size xxx = inductance in uh, r = decimal point if no r is present, third character = # of zeros. -r suffix indicated rohs compliant description ?dual winding inductors that can be used as either a single inductor, or in coupled inductor/transformer applications (1:1 turns ratio) ?windings can be connected in series or parallel, offering a broad range of inductance and current ratings ?current range from 6.43 to 0.063 amps ?inductance range from 0.47 h to 4.03mh ?ferrite shielded, low emi ?ferrite core material applications ?as a transformer: sepic, flyback ?as an inductor: buck, boost, coupled inductor ? digital cameras, cd players, cellular phones, and pdas ?pcmcia cards ?gps systems environmental data ? storage temperature: -40 to +125 c ? oper ating temper ature: -40c to +85 (range is application specific). temperature rise is approximately 40 c at r ated r ms current. ?solder reflow temperature: 260 max. for 10 seconds max. packaging ? supplied in tape and reel packaging, sdq12 (3,800, sdq25 (2,900) parts per reel rohs 2 002/95/ec
sdq series low profile dual winding shielded inductor/transformer p p a a r r a a l l l l e e l l r r a a t t i i n n g g s s s s e e r r i i e e s s r r a a t t i i n n g g s s p p a a r r t t n n u u m m b b e e r r r r a a t t e e d d p p a a r r t t o o c c l l ( ( 1 1 ) ) i i r r m m s s ( ( 2 2 ) ) i i s s a a t t ( ( 3 3 ) ) d d c c r r ( ( 4 4 ) ) v v o o l l t t ( ( 5 5 ) ) o o c c l l ( ( 1 1 ) ) i i r r m m s s ( ( 2 2 ) ) i i s s a a t t ( ( 3 3 ) ) d d c c r r ( ( 4 4 ) ) v v o o l l t t ( ( 5 5 ) ) i i n n d d u u c c t t a a n n c c e e m m a a r r k k i i n n g g + + / / - - 2 2 0 0 % % a a m m p p e e r r e e s s a a m m p p e e r r e e s s t t y y p p . . - - s s e e c c + + / / - - 2 2 0 0 % % a a m m p p e e r r e e s s a a m m p p e e r r e e s s t t y y p p . . - - s s e e c c ( ( h h ) ) ( ( h h ) ) t t y y p p . . ( ( h h ) ) t t y y p p . . s s d d q q 2 2 5 5 - - r r 4 4 7 7 - - r r 0.47 a 0.392 3.71 6.43 0.0181 2.31 1.57 1.86 3.21 0.0725 4.62 s s d d q q 2 2 5 5 - - r r 8 8 2 2 - - r r 0.82 b 0.648 3.37 5.00 0.0221 2.97 2.59 1.68 2.50 0.0883 5.94 s s d d q q 2 2 5 5 - - 1 1 r r 0 0 - - r r 1 c 0.97 3.15 4.09 0.0252 3.63 3.87 1.58 2.05 0.1007 7.26 s s d d q q 2 2 5 5 - - 1 1 r r 5 5 - - r r 1.5 d 1.35 2.97 3.46 0.0283 4.29 5.41 1.49 1.73 0.1130 8.58 s s d d q q 2 2 5 5 - - 2 2 r r 2 2 - - r r 2.2 e 2.31 2.67 2.65 0.0351 5.61 9.25 1.34 1.32 0.1402 11.2 s s d d q q 2 2 5 5 - - 3 3 r r 3 3 - - r r 3 .3 f 2.89 2.50 2.37 0.0399 6.27 11.55 1.25 1.18 0.1595 12.5 s s d d q q 2 2 5 5 - - 4 4 r r 7 7 - - r r 4.7 g 5 1.96 1.80 0.0653 8.25 20.00 0.98 0.900 0.2612 16.5 s s d d q q 2 2 5 5 - - 6 6 r r 8 8 - - r r 6.8 h 6.73 1.84 1.55 0.0741 9.57 26.91 0.918 0.776 0.2964 19.1 s s d d q q 2 2 5 5 - - 8 8 r r 2 2 - - r r 8.2 j 8.71 1.57 1.36 0.1015 10.9 34.85 0.785 0.682 0.4059 21.8 s s d d q q 2 2 5 5 - - 1 1 0 0 0 0 - - r r 10 k 9.8 1.53 1.29 0.1068 11.6 39.20 0.765 0.643 0.4273 23.1 s s d d q q 2 2 5 5 - - 1 1 5 5 0 0 - - r r 15 l 14.79 1.24 1.05 0.1632 14.2 59.17 0.619 0.523 0.6526 28.4 s s d d q q 2 2 5 5 - - 2 2 2 2 0 0 - - r r 22 m 22.47 1.01 0.849 0.2431 17.5 89.89 0.507 0.425 0.9724 35.0 s s d d q q 2 2 5 5 - - 3 3 3 3 0 0 - - r r 33 n 33.8 0.812 0.692 0.3795 21.5 135.2 0.406 0.346 1.52 42.9 s s d d q q 2 2 5 5 - - 4 4 7 7 0 0 - - r r 47 o 47.43 0.749 0.584 0.4461 25.4 189.7 0.374 0.292 1.78 50.8 s s d d q q 2 2 5 5 - - 6 6 8 8 0 0 - - r r 68 p 69.19 0.603 0.484 0.6865 30.7 276.8 0.302 0.242 2.75 61.4 s s d d q q 2 2 5 5 - - 8 8 2 2 0 0 - - r r 82 q 81.61 0.580 0.446 0.7435 33.3 326.4 0.290 0.223 2.97 66.7 s s d d q q 2 2 5 5 - - 1 1 0 0 1 1 - - r r 100 r 98.57 0.499 0.405 1.00 36.6 394.3 0.249 0.203 4.02 73.3 s s d d q q 2 2 5 5 - - 1 1 5 5 1 1 - - r r 150 s 150.2 0.408 0.328 1.50 45.2 600.6 0.204 0.164 6.00 90.4 s s d d q q 2 2 5 5 - - 2 2 2 2 1 1 - - r r 220 t 223.1 0.326 0.269 2.36 55.1 892.4 0.163 0.135 9.42 110 s s d d q q 2 2 5 5 - - 3 3 3 3 1 1 - - r r 330 u 329.7 0.292 0.222 2.93 67.0 1318.7 0.146 0.111 11.71 134 s s d d q q 2 2 5 5 - - 4 4 7 7 1 1 - - r r 470 v 472.4 0.243 0.185 4.25 80.2 1889.6 0.121 0.093 16.99 160 s s d d q q 2 2 5 5 - - 6 6 8 8 1 1 - - r r 680 w 677.4 0.197 0.155 6.45 96.0 2709.8 0.098 0.077 25.78 192 s s d d q q 2 2 5 5 - - 8 8 2 2 1 1 - - r r 820 x 824.3 0.186 0.140 7.25 106 3297.3 0.093 0.070 28.99 212 s s d d q q 2 2 5 5 - - 1 1 0 0 2 2 - - r r 1000 y 1008.2 0.160 0.127 9.82 117 4032.8 0.080 0.063 39.26 234 1) test parameters: 100khz,.0.25 vrms 0.0adc 2) rms current for approximately ? t of 40 without core loss. it is recommended that the temper ature of the par t not to e xceed 125 . de-rating is necessary for ac currents 3) peak current for approximately 30% rolloff @20 4) dcr limits @20 5) applied volt-time product (v-?) across the inductor at 100khz necessary to generate a core loss equal to 10% of the total losses for a 40 temperature rise. de-rating of the irms is required to prevent excessive temperature rise. part number definition: first 3 characters = product code and size. last 3 char acters = inductance in uh. r = decimal point. if no r is present, third character = # of zeros. sdq12-xxx-r sdq12 = product code and size xxx = inductance in uh, r = decimal point if no r is present, third character = # of zeros. -r suffix indicated rohs compliant a) p ar t mar king: line 1 (1st digit inductance value per part marking designator in chart above) (2nd digit is a bi-weekly production date code) (3rd digit is the last digit of the year produced) line 2: xx (indicates the product siz e code) mechanical diagrams 5.2 ma x part marking (note a) 4 3 5.2 ma x 1 pin #1 identifier 2 top view ht side view 1.5 typ re f 3 1 2 4 1.5 typ. ref . bottom view 1.0 2 2.57 5 5. 15 4 1 2.97 5 2.97 5 r2. 250 5. 95 5.95 0 r2.2 50 2.97 5 2. 975 5. 950 23 4 pad layout recommended pcb layout 2 pad layo ut 2 3 2 series parall el 3 1 4 1 transformer 2 schematic 1 4 4 3 series ht sdq12 1.2mm max 2.5mm max sdq25
sdq series low profile dual winding shielded inductor/transformer 2.00 4.0 0 a o b o direction of feed pin #1 indicator 12.0 +/-0. 3 5.50 1.7 5 1 .5 dia. + 0.1/- 0. 0 1.5 dia min. 8. 0 a 2 1 a k o section a-a 4 3 ao=5.45 mm b o=5.45 mm ko=2.70 mm sdq25 series packaging information a o b o direction of feed p in #1 indicator 12.0 +/-0. 3 1.7 5 1 .5 dia. +0.1/- 0. 0 1.5 dia. min. 8 . 0 a a a o=5.45 mm b o=5.45 mm ko=2.00 mm k o section a-a 4.0 0 2 .00 1 2 4 3 5.50 s dq12 series p arts packaged on 13" diameter reel, 3,800 parts per reel. parts packaged on 13" diameter reel, 2,900 parts per reel. actual size sdq12 a ctu al size sdq25 ocl vs isat sdq12 0 10 20 30 40 506 0 7 0 8 0 90 100 0 10 20 30 40 50 60 70 80 90 100 110 120 % of isat o c l ( % ) ocl vs isat sdq25 0 10 20 30 40 506 0 7 0 8 0 90 100 0 10 20 30 40 50 60 70 80 90 100 110 120 % of isat o c l ( % ) inductance characteristics irms der ating with core loss % 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 ) core loss
sdq series low profile dual winding shielded inductor/transformer 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 t oll f ree: +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 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-4316 8/06 ?cooper electronic t echnologies 2006
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