Effective August 2017 Technical Data 4339 Supersedes June 2008 SDQ Low-profile dual winding shielded drum inductor/transformer Applications • Transformer: (1:1), SEPIC, flyback • Buck, boost, coupled inductor • Mobile phones • Notebook and laptop power • Digital cameras • Media players • PCMCIA cards • GPS systems Product features Environmental Data • Dual winding inductors that can be used as either a single inductor, or in coupled • Storage temperature range (Component): -40 °C to +125 °C inductor/transformer applications (1:1 turns ratio) • Operating temperature range: -40 °C to +125 °C • Windings can be connected in series or (ambient plus self-temperature rise) parallel, offering a broad range of inductance • Solder reflow temperature: and current ratings J-STD-020 (latest revision) compliant • Current range from 0.063 A to 6.43 A • Inductance range from 0.47 µH to 4.03 mH Pb HHALOFGEN • Ferrite shielded, low EMI • Ferrite core material FREE • 500 Vdc isolation between windings

Technical Data 4339 SDQ Effective August 2017 Low-profile dual winding shielded drum inductor/transformer Product specifications PPaarraalllleell RRaattiinnggss SSeerriieess RRaattiinnggss RRaatteedd PPaarrtt OOCCLL ((11)) IIrrmmss((22)) IIssaatt((33)) DDCCRR ((44)) VVoollttss ((55)) OOCCLL ((11)) IIrrmmss((22)) IIssaatt((33)) DDCCRR ΩΩ((44)) VVoollttss ((55)) PPaarrtt IInndduuccttaannccee MMaarrkkiinngg ±±2200%% (A) (A) ((ΩΩ)) ttyypp.. (u-sec) ±±2200%% (A) (A) ttyypp.. (u-sec) NNuummbbeerr ((µµHH)) ((µµHH)) ttyypp.. ((µµHH)) ttyypp.. SDQ12-R47-R 0.47 A 0.49±30% 2.78 4.34 0.0325 2.45 1.96±30% 1.39 2.17 0.1298 4.90 SDQ12-1R0-R 1 B 0.81 2.49 3.38 0.0403 3.15 3.24 1.25 1.69 0.1611 6.30 SDQ12-1R5-R 1.5 C 1.69 1.69 2.34 0.0870 4.55 6.76 0.847 1.17 0.3481 9.10 SDQ12-2R2-R 2.2 D 2.25 1.60 2.03 0.0977 5.25 9.00 0.800 1.01 0.3908 10.5 SDQ12-3R3-R 3.3 E 3.61 1.28 1.60 0.1527 6.65 14.44 0.640 0.800 0.6106 13.3 SDQ12-4R7-R 4.7 F 4.41 1.12 1.45 0.1990 7.35 17.64 0.560 0.724 0.7959 14.7 SDQ12-6R2-R 6.2 G 6.25 1.02 1.22 0.2387 8.75 25.00 0.512 0.608 0.9548 17.5 SDQ12-8R2-R 8.2 H 8.41 0.868 1.05 0.3318 10.15 33.64 0.434 0.524 1.33 20.3 SDQ12-100-R 10 J 9.61 0.831 0.981 0.3620 10.85 38.44 0.416 0.490 1.45 21.7 SDQ12-150-R 15 K 15.21 0.658 0.779 0.5766 13.65 60.84 0.329 0.390 2.31 27.3 SDQ12-220-R 22 L 22.09 0.548 0.647 0.8332 16.45 88.36 0.274 0.323 3.33 32.9 SDQ12-330-R 33 M 32.49 0.439 0.533 1.29 19.95 130.0 0.220 0.267 5.18 39.9 SDQ12-470-R 47 N 47.61 0.401 0.441 1.55 24.15 190.4 0.201 0.220 6.21 48.3 SDQ12-680-R 68 O 68.89 0.326 0.366 2.36 29.05 275.6 0.163 0.183 9.43 58.1 SDQ12-820-R 82 P 82.81 0.309 0.334 2.62 31.85 331.2 0.154 0.167 10.49 63.7 SDQ25-R47-R 0.47 A 0.392±30% 3.71 6.43 0.0181 2.31 1.57±30% 1.86 3.21 0.0725 4.62 SDQ25-R82-R 0.82 B 0.648±30% 3.37 5.00 0.0221 2.97 2.59±30% 1.68 2.50 0.0883 5.94 SDQ25-1R0-R 1 C 0.97 3.15 4.09 0.0252 3.63 3.87 1.58 2.05 0.1007 7.26 SDQ25-1R5-R 1.5 D 1.35 2.97 3.46 0.0283 4.29 5.41 1.49 1.73 0.1130 8.58 SDQ25-2R2-R 2.2 E 2.31 2.67 2.65 0.0351 5.61 9.25 1.34 1.32 0.1402 11.2 SDQ25-3R3-R 3.3 F 2.89 2.50 2.37 0.0399 6.27 11.55 1.25 1.18 0.1595 12.5 SDQ25-4R7-R 4.7 G 5 1.96 1.80 0.0653 8.25 20.00 0.98 0.900 0.2612 16.5 SDQ25-6R8-R 6.8 H 6.73 1.84 1.55 0.0741 9.57 26.91 0.918 0.776 0.2964 19.1 SDQ25-8R2-R 8.2 J 8.71 1.57 1.36 0.1015 10.9 34.85 0.785 0.682 0.4059 21.8 SDQ25-100-R 10 K 9.8 1.53 1.29 0.1068 11.6 39.20 0.765 0.643 0.4273 23.1 SDQ25-150-R 15 L 14.79 1.24 1.05 0.1632 14.2 59.17 0.619 0.523 0.6526 28.4 SDQ25-220-R 22 M 22.47 1.01 0.849 0.2431 17.5 89.89 0.507 0.425 0.9724 35.0 SDQ25-330-R 33 N 33.8 0.812 0.692 0.3795 21.5 135.2 0.406 0.346 1.52 42.9 SDQ25-470-R 47 O 47.43 0.749 0.584 0.4461 25.4 189.7 0.374 0.292 1.78 50.8 SDQ25-680-R 68 P 69.19 0.603 0.484 0.6865 30.7 276.8 0.302 0.242 2.75 61.4 SDQ25-820-R 82 Q 81.61 0.580 0.446 0.7435 33.3 326.4 0.290 0.223 2.97 66.7 SDQ25-101-R 100 R 98.57 0.499 0.405 1.00 36.6 394.3 0.249 0.203 4.02 73.3 SDQ25-151-R 150 S 150.2 0.408 0.328 1.50 45.2 600.6 0.204 0.164 6.00 90.4 SDQ25-221-R 220 T 223.1 0.326 0.269 2.36 55.1 892.4 0.163 0.135 9.42 110 SDQ25-331-R 330 U 329.7 0.292 0.222 2.93 67.0 1318.7 0.146 0.111 11.71 134 SDQ25-471-R 470 V 472.4 0.243 0.185 4.25 80.2 1889.6 0.121 0.093 16.99 160 SDQ25-681-R 680 W 677.4 0.197 0.155 6.45 96.0 2709.8 0.098 0.077 25.78 192 SDQ25-821-R 820 X 824.3 0.186 0.140 7.25 106 3297.3 0.093 0.070 28.99 212 SDQ25-102-R 1000 Y 1008.2 0.160 0.127 9.82 117 4032.8 0.080 0.063 39.26 234 (1)Test Parameters: 100 kHz,.0.25 Vrms 0.0 Adc (5) Applied Volt-Time product (V-µs) across the inductor at 100 kHz necessary to generate a core loss equal (2) tIermmps:e rDaCtu creu roref ntht efo pra arpt pnroot xtiom eaxtecleye Δd T+ o1f2 450 ° °CC. Dweitrhaotiuntg c iso rnee lcoessss. aItr yis f orerc AoCm cmuerrnednetsd that the tpor e1v0e%nt eoxf ctheess tiovtea lt elomspseesra ftourr ea r4is0e .°C temperature rise. Derating of the Irms is required to (3) Isat: Peak current for approximately 30% rolloff @ +20 °C Part Number Definition: (4) DCR limits @ +20 °C 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 2 www.eaton.com/electronics

SDQ Technical Data 4339 Low-profile dual winding shielded drum inductor/transformer Effective August 2017 Dimensions- mm Top View Side View Bottom View Recommended Pad Layout Schematic Pin #1 identifier 1.5 typ ref 2 PAD LAYOUT 4 PAD LAYOUT 1 4 1 4 2 3 1 4 2 3 2 3M5a.2x 1 41.5R eTfy.p. 1.02 2.9755.9R52.250 2 32.927.9575R25.2.95500 1 TRAN4SFORM1ER 4 Part (mNoartke inAg) 22..597755 5.950 2 3 2 3 M5a.2x HT 5.15 PARALLEL SERIES SDQ12 = 1.2mm max. SDQ25 = 2.5mm max. Part marking: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 size code) Do not route traces or vias underneath the inductor Packaging- mm SDQ12 4.00 1.5 Dia. Pin #1 indicator 1.5 Dia. min. 2.00 +0.1/-0.0 A 1.75 4 Actual Size 12.0 5.45 1 +/-0.3 SDQ12 5.50 3 2.00 2 A 5.45 SECTION A-A 8.0 Direction of feed Supplied in tape-and-reel packaging,3800 parts per reel,13”diameter reel. SDQ25 4.00 1.5 Dia Pin #1 indicator 1.5 Dia. min. 2.00 +0.1/-0.0 A 1.75 1 4 Actual Size 12.0 5.45 +/-0.3 SDQ25 5.50 2 3 2.70 mm A 5.45 8.0 SECTION A-A Direction of feed Supplied in tape-and-reel packaging,2900 parts per reel,13”diameter reel. www.eaton.com/electronics 3

Technical Data 4339 SDQ Effective August 2017 Low-profile dual winding shielded drum inductor/transformer Core loss II Derating with Core Loss rms m) u m xi a m (rms m I o s fr e s s o L of % % of Applied Volt-Second Inductance characteristics OCL vs Isat OCL vs Isat SDQ12 SDQ25 100 100 90 90 80 80 70 70 %) 60 %) 60 CL ( 50 CL ( 50 O O 40 40 30 30 20 20 10 10 0 0 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 50 60 70 80 90 100 110 120 % of Isat % of Isat 4 www.eaton.com/electronics

SDQ Low-profile dual winding shielded drum inductor/transformer Technical Data 4339 Effective August 2017 Solder reflow profile TP Table 1 - Standard SnPb Solder (Tc) TC -5°C Max. Ramp Up Rate = 3°C/s tP Volume Volume Package mm3 mm3 Max. Ramp Down Rate = 6°C/s Thickness <350 ≥350 TL <2.5mm) 235°C 220°C Preheat t ≥2.5mm 220°C 220°C A e Tsmax atur Table 2 - Lead (Pb) Free Solder (Tc) per Volume Volume Volume Tem Tsmin ts PThacickkangees s m<3m503 m35m03 - 2000 m>2m003 0 <1.6mm 260°C 260°C 260°C 1.6 – 2.5mm 260°C 250°C 245°C >2.5mm 250°C 245°C 245°C 25°C Time 25°C to Peak Time Reference JDEC J-STD-020 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder Preheat and Soak • Temperature min. (Tsmin) 100°C 150°C • Temperature max. (Tsmax) 150°C 200°C • Time (Tsmin to Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmax to Tp 3°C/ Second Max. 3°C/ Second Max. Liquidous temperature (Tl) 183°C 217°C Time at liquidous (tL) 60-150 Seconds 60-150 Seconds Peak package body temperature (TP)* Table 1 Table 2 Time (tp)** within 5 °C of the specified classification temperature (Tc) 20 Seconds** 30 Seconds** Average ramp-down rate (Tp to Tsmax) 6°C/ Second Max. 6°C/ Second Max. Time 25°C to Peak Temperature 6 Minutes Max. 8 Minutes Max. * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. ** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum. Life Support Policy: Eaton 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. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/electronics © 2017 Eaton All Rights Reserved Eaton is a registered trademark. Printed in USA Publication No. 4339 SB-BU08352 All other trademarks are property August 2017 of their respective owners.

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: E aton: SDQ12-R47-R SDQ12-1R0-R SDQ12-1R5-R SDQ12-100-R SDQ12-150-R SDQ12-2R2-R SDQ12-220-R SDQ12- 3R3-R SDQ12-330-R SDQ12-4R7-R SDQ12-470-R SDQ12-6R2-R SDQ12-680-R SDQ12-8R2-R SDQ12-820-R SDQ25-R47-R SDQ25-R82-R SDQ25-1R0-R SDQ25-1R5-R SDQ25-100-R SDQ25-101-R SDQ25-102-R SDQ25- 150-R SDQ25-151-R SDQ25-2R2-R SDQ25-220-R SDQ25-221-R SDQ25-3R3-R SDQ25-330-R SDQ25-331-R SDQ25-4R7-R SDQ25-470-R SDQ25-471-R SDQ25-6R8-R SDQ25-680-R SDQ25-681-R SDQ25-8R2-R SDQ25- 820-R SDQ25-821-R SDQ25-100-H