Low-Profile Dual Winding Shielded Inductor/Transformer SDQ Series • • • • Ferrite shielded, low EMI Ferrite core material 500Vdc isolation between windings RoHS compliant Applications • • • • • SMD Device As a transformer: SEPIC, flyback As an inductor: Buck, boost, coupled inductor Digital cameras, CD players, cellular phones, and PDA’s PCMCIA cards GPS systems Description Environmental Data • 125°C 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) • 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 0.47µH to 4.03mH • Storage temperature: -40°C to +125°C • Operating temperature range: -40°C to +125°C (Range is application specific). • Solder reflow temperature: 260°C max. for 10 seconds max. Part Number SDQ12-R47-R SDQ12-1R0-R SDQ12-1R5-R SDQ12-2R2-R SDQ12-3R3-R SDQ12-4R7-R SDQ12-6R2-R SDQ12-8R2-R SDQ12-100-R SDQ12-150-R SDQ12-220-R SDQ12-330-R SDQ12-470-R SDQ12-680-R SDQ12-820-R Rated Inductance (µH) 0.47 1 1.5 2.2 3.3 4.7 6.2 8.2 10 15 22 33 47 68 82 Part Marking A B C D E F G H J K L M N O P OCL (1) ±20% (µH) 0.49±30% 0.81 1.69 2.25 3.61 4.41 6.25 8.41 9.61 15.21 22.09 32.49 47.61 68.89 82.81 Irms (2) Amps 2.78 2.49 1.69 1.60 1.28 1.12 1.02 0.868 0.831 0.658 0.548 0.439 0.401 0.326 0.309 SB-BU08352 • Supplied in tape and reel packaging, SDQ12-3800, SDQ25-2900 parts per reel, 13” diameter reel Parallel Ratings Isat (3) DCR (4) Amps (Ω) typ. 4.34 3.38 2.34 2.03 1.60 1.45 1.22 1.05 0.981 0.779 0.647 0.533 0.441 0.366 0.334 (1) Test Parameters: 100kHz,.0.25 Vrms 0.0Adc (2) Irms: DC current for approximately ΔT of 40°C without core loss. It is recommended that the temperature of the part not to exceed 125°C. Derating is necessary for AC currents (3) Isat: Peak current for approximately 30% rolloff @20°C (4) DCR limits @20°C 06-13-08 Packaging 0.0325 0.0403 0.0870 0.0977 0.1527 0.1990 0.2387 0.3318 0.3620 0.5766 0.8332 1.29 1.55 2.36 2.62 Volts (5) µ-Sec typ. 2.45 3.15 4.55 5.25 6.65 7.35 8.75 10.15 10.85 13.65 16.45 19.95 24.15 29.05 31.85 OCL (1) ±20% (µH) 1.96±30% 3.24 6.76 9.00 14.44 17.64 25.00 33.64 38.44 60.84 88.36 130.0 190.4 275.6 331.2 Irms (2) Amps Series Ratings Isat (3) DCR Ω (4) Amps typ. 1.39 1.25 0.847 0.800 0.640 0.560 0.512 0.434 0.416 0.329 0.274 0.220 0.201 0.163 0.154 2.17 1.69 1.17 1.01 0.800 0.724 0.608 0.524 0.490 0.390 0.323 0.267 0.220 0.183 0.167 0.1298 0.1611 0.3481 0.3908 0.6106 0.7959 0.9548 1.33 1.45 2.31 3.33 5.18 6.21 9.43 10.49 Volts (5) µ-Sec typ. 4.90 6.30 9.10 10.5 13.3 14.7 17.5 20.3 21.7 27.3 32.9 39.9 48.3 58.1 63.7 (5) Applied Volt-Time product (V-µS) across the inductor at 100kHz necessary to generate a core loss equal to 10% of the total losses for a 40°C temperature rise. Derating of the Irms is required to prevent excessive temperature rise. Part Number Definition: 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 Page 1 of 4 Data Sheet: 4339 Rated Inductance (µH) 0.47 0.82 1 1.5 2.2 3.3 4.7 6.8 8.2 10 15 22 33 47 68 82 100 150 220 330 470 680 820 1000 Part Number SDQ25-R47-R SDQ25-R82-R SDQ25-1R0-R SDQ25-1R5-R SDQ25-2R2-R SDQ25-3R3-R SDQ25-4R7-R SDQ25-6R8-R SDQ25-8R2-R SDQ25-100-R SDQ25-150-R SDQ25-220-R SDQ25-330-R SDQ25-470-R SDQ25-680-R SDQ25-820-R SDQ25-101-R SDQ25-151-R SDQ25-221-R SDQ25-331-R SDQ25-471-R SDQ25-681-R SDQ25-821-R SDQ25-102-R Part Marking A B C D E F G H J K L M N O P Q R S T U V W X Y OCL (1) ±20% (µH) 0.392±30% 0.648±30% 0.97 1.35 2.31 2.89 5 6.73 8.71 9.8 14.79 22.47 33.8 47.43 69.19 81.61 98.57 150.2 223.1 329.7 472.4 677.4 824.3 1008.2 Irms (2) Amps Parallel Ratings Isat (3) DCR (4) Amps (Ω) typ. 3.71 3.37 3.15 2.97 2.67 2.50 1.96 1.84 1.57 1.53 1.24 1.01 0.812 0.749 0.603 0.580 0.499 0.408 0.326 0.292 0.243 0.197 0.186 0.160 6.43 5.00 4.09 3.46 2.65 2.37 1.80 1.55 1.36 1.29 1.05 0.849 0.692 0.584 0.484 0.446 0.405 0.328 0.269 0.222 0.185 0.155 0.140 0.127 0.0181 0.0221 0.0252 0.0283 0.0351 0.0399 0.0653 0.0741 0.1015 0.1068 0.1632 0.2431 0.3795 0.4461 0.6865 0.7435 1.00 1.50 2.36 2.93 4.25 6.45 7.25 9.82 (1) Test Parameters: 100kHz,.0.25 Vrms 0.0Adc (2) Irms: DC current for approximately ΔT of 40°C without core loss. It is recommended that the temperature of the part not to exceed 125°C. Derating is necessary for AC currents (3) Isat: Peak current for approximately 30% rolloff @20°C (4) DCR limits @20°C Volts (5) µ-Sec typ. 2.31 2.97 3.63 4.29 5.61 6.27 8.25 9.57 10.9 11.6 14.2 17.5 21.5 25.4 30.7 33.3 36.6 45.2 55.1 67.0 80.2 96.0 106 117 OCL (1) ±20% (µH) 1.57±30% 2.59±30% 3.87 5.41 9.25 11.55 20.00 26.91 34.85 39.20 59.17 89.89 135.2 189.7 276.8 326.4 394.3 600.6 892.4 1318.7 1889.6 2709.8 3297.3 4032.8 Irms (2) Amps Series Ratings Isat (3) DCR Ω (4) Amps typ. 1.86 1.68 1.58 1.49 1.34 1.25 0.98 0.918 0.785 0.765 0.619 0.507 0.406 0.374 0.302 0.290 0.249 0.204 0.163 0.146 0.121 0.098 0.093 0.080 3.21 2.50 2.05 1.73 1.32 1.18 0.900 0.776 0.682 0.643 0.523 0.425 0.346 0.292 0.242 0.223 0.203 0.164 0.135 0.111 0.093 0.077 0.070 0.063 Volts (5) µ-Sec typ. 4.62 5.94 7.26 8.58 11.2 12.5 16.5 19.1 21.8 23.1 28.4 35.0 42.9 50.8 61.4 66.7 73.3 90.4 110 134 160 192 212 234 0.0725 0.0883 0.1007 0.1130 0.1402 0.1595 0.2612 0.2964 0.4059 0.4273 0.6526 0.9724 1.52 1.78 2.75 2.97 4.02 6.00 9.42 11.71 16.99 25.78 28.99 39.26 (5) Applied Volt-Time product (V-µS) across the inductor at 100kHz necessary to generate a core loss equal to 10% of the total losses for a 40°C temperature rise. Derating of the Irms is required to prevent excessive temperature rise. Part Number Definition: 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 Dimensions - mm Side View Top View Bottom View 1.5 typ ref 4 1 3 2 2 5.2 Max Schematic 4 3 1.5 Typ. 1 4 Ref. 4 PAD LAYOUT 2 PAD LAYOUT 2.975 Part marking (Note A) 5.95 1 4 2 3 2.975 R2.250 1.02 2.975 R2.250 2.975 HT TRANSFORMER 1 4 1 2 3 2 PARALL EL 5.15 (2nd digit is a bi-weekly production date code) Page 2 of 4 4 5.950 SDQ12 = 1.2mm max. SDQ25 = 2.5mm max. Part marking: Line 1 (1st digit inductance value per part marking designator in chart above) Line 2: xx (indicates the product size code) SB-BU08352 3 2 5.950 2.575 5.2 Max 06-13-08 Recommended Pad Layout 1 Pin #1 identifier (3rd digit is the last digit of the year produced) Data Sheet: 4339 3 SERIES Packaging Information - mm SDQ12 Series 4.00 Pin #1 indicator 1.5 Dia. min. 1.5 Dia. +0.1/-0.0 2.00 1.75 A 4 5.45 5.50 3 2 2.00 5.45 Actual Size SDQ12 12.0 +/-0.3 1 A 8.0 SECTION A-A Direction of feed Supplied in tape-and-reel packaging,3800 parts per reel, 13” diameter reel. 4.00 SDQ25 Series 2.00 Pin #1 indicator 1.5 Dia min. 1.5 Dia. +0.1/-0.0 1.75 A 4 1 Actual Size SDQ25 12.0 +/-0.3 5.45 2.70 mm 5.50 3 2 A 5.45 8.0 SECTION A-A Direction of feed Supplied in tape-and-reel packaging, 2900 parts per reel, 13” diameter reel. Inductance Characteristics OCL vs I sat SDQ25 100 100 90 90 80 80 70 70 OCL (%) OCL (%) OCL vs Isat SDQ12 60 50 40 60 50 40 30 30 20 20 10 10 0 0 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 % of I sat 06-13-08 SB-BU08352 20 30 40 50 60 % of I sat Page 3 of 4 Data Sheet: 4339 70 80 90 100 110 120 Core Loss % of Losses from Irms (maximum) I rms Derating with Core Loss % of Applied Volt-Second North America Cooper Electronic Technologies 1225 Broken Sound Parkway NW Suite F Boca Raton, FL 33487-3533 Tel: 1-561-998-4100 Fax: 1-561-241-6640 Toll Free: 1-888-414-2645 Cooper Bussmann P.O. Box 14460 St. Louis, MO 63178-4460 Tel: 1-636-394-2877 Fax: 1-636-527-1607 Europe Cooper Electronic Technologies Cooper (UK) Limited Burton-on-the-Wolds Leicestershire • LE12 5TH UK Tel: +44 (0) 1509 882 737 Fax: +44 (0) 1509 882 786 Cooper Electronic Technologies Avda. Santa Eulalia, 290 08223 Terrassa, (Barcelona), Spain Tel: +34 937 362 812 +34 937 362 813 Fax: +34 937 362 719 Asia Pacific Cooper Electronic Technologies 1 Jalan Kilang Timor #06-01 Pacific Tech Centre Singapore 159303 Tel: +65 278 6151 Fax: +65 270 4160 The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann 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 Bussmann 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. © 2008 Cooper Bussmann St. Louis, MO 63178 w w w. c o o p e r b u s s m a n n . c o m 06-13-08 SB-BU08352 Page 4 of 4 Data Sheet: 4339