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 Storage temperature range (Component): either a single inductor, or in coupled -40 C to +125 C inductor/transformer applications (1:1 turns ratio) Operating temperature range: -40 C to +125 C (ambient plus self-temperature rise) Windings can be connected in series or 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 HALOGEN Inductance range from 0.47 H to 4.03 mH Ferrite shielded, low EMI HF Pb FREE Ferrite core material 500 Vdc isolation between windingsTechnical Data 4339 SDQ Effective August 2017 Low-profile dual winding shielded drum inductor/transformer Product specifications PPaarraalllleell RRaattiinnggss SSeerriieess RRaattiinnggss ((11)) ((22)) ((33)) ((44)) ((55)) ((11)) ((22)) ((33)) ((55)) RRaatteedd PPaarrtt OOCCLL II II DDCCRR VVoollttss OOCCLL II II DDCCRR ((44)) VVoollttss rrmmss ssaatt rrmmss ssaatt (u-sec) PPaarrtt IInndduuccttaannccee MMaarrkkiinngg 2200%% (()) ttyypp.. 2200%% ttyypp.. (u-sec) (A) (A) (A) (A) NNuummbbeerr ((HH)) ((HH)) ttyypp.. ((HH)) ttyypp.. SDQ12-R47-R 0.47 A 0.4930% 2.78 4.34 0.0325 2.45 1.9630% 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 0.39230% 3.71 6.43 0.0181 2.31 1.5730% 1.86 3.21 0.0725 4.62 SDQ25-R82-R 0.82 B 0.64830% 3.37 5.00 0.0221 2.97 2.5930% 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-s) across the inductor at 100 kHz necessary to generate a core loss equal to 10% of the total losses for a 40 C temperature rise. Derating of the I is required to (2) I : DC current for approximately T of 40 C without core loss. It is recommended that the rms rms prevent excessive temperature rise. temperature of the part not to exceed +125 C. Derating is necessary for AC currents (3) I : Peak current for approximately 30% rolloff +20 C Part Number Definition: sat SDQ12-XXX-R (4) DCR limits +20 C 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 www.eaton.com/electronics 2