Technical Data 4315 Effective September 2017 Supersedes April 2014 DR High power density, high efficiency, shielded drum core power inductors Applications * * * * * * * Desktop and servers DVD and media players Portable and handheld devices LCD panels DC-DC converters Buck, boost, forward, and resonant converters Noise filtering and filter chokes Environmental data * Product features * * * * * * Four sizes of shielded drum core inductors Inductance range from 0.33 H to 1000 H Current range up to 56 A peak Magnetically shielded Secure mounting Ferrite core material * * Storage temperature range (component): -40 C to +125 C Operating temperature range: -40 C to +125 C (ambient plus self-temperature rise) Solder reflow temperature: J-STD-020 (latest revision) compliant Pb HF FREE HALOGEN Technical Data 4315 Effective September 2017 Product specifications Rated Inductance (H) OCL1 20% (H) Irms2 (A) Isat3 (A) Peak DCR4 () Typ. Volt-sec5 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 Part Number 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 1. Open Circuit Inductance Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc. 2. RMS current for an approximate DT of 40 C without core loss. It is recommended that the temperature of the part not exceed +125 C. 3. Peak current for approximate 30% roll off at +20 C. 4. DCR limits @ +20 C. 5. Applied Volt-Time product (V-s) across the inductor. This value represent the applied V-sec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 C temperature rise. 2 www.eaton.com/electronics 6. Part number definition: DRxxx-yyy-R - DRxxx = product code and size, - yyy = inductance value in H, - R = decimal point. If no R is present, third character = # of zeros - "-R" suffix = RoHS compliant Technical Data 4315 DR High power density, high efficiency, shielded drum core power inductors Effective September 2017 Product specifications Rated Inductance (H) OCL1 20% (H) Irms2 (A) Isat3 (A) Peak DCR4 () Typ. Volt-sec5 Typ. 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 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 Part Number 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 1. Open Circuit Inductance Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc. 2. RMS current for an approximate DT of 40 C without core loss. It is recommended that the temperature of the part not exceed +125 C. 3. Peak current for approximate 30% roll off at +20 C. 4. DCR limits @ +20 C. 5. Applied Volt-Time product (V-s) across the inductor. This value represent the applied V-sec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 C temperature rise. 6. Part number definition: DRxxx-yyy-R - DRxxx = product code and size, - yyy = inductance value in H, - R = decimal point. If no R is present, third character = # of zeros - "-R" suffix = RoHS compliant www.eaton.com/electronics 3 DR High power density, high efficiency, shielded drum core power inductors Technical Data 4315 Effective September 2017 Product specifications Part Number Rated Inductance (H) OCL1 20% (H) Irms2 (A) Isat3 (A) Peak DCR4 () Typ. Volt-sec5 Typ. 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 DR125-180-R 18.0 17.70 3.81 5.32 0.0377 19.6 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 DR125-560-R 56.0 55.24 2.31 3.00 0.102 34.8 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 DR125-472-R 4700 4720 0.268 0.32 7.53 322.4 DR125-124-R 120000 120630 0.060 0.069 150 1521 1. Open Circuit Inductance Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc. 2. RMS current for an approximate DT of 40 C without core loss. It is recommended that the temperature of the part not exceed +125 C. 3. Peak current for approximate 30% roll off at +20 C. 4. DCR limits @ +20 C. 5. Applied Volt-Time product (V-s) across the inductor. This value represent the applied V-sec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 C temperature rise. 4 www.eaton.com/electronics 6. Part number definition: DRxxx-yyy-R - DRxxx = product code and size, - yyy = inductance value in H, - R = decimal point. If no R is present, third character = # of zeros - "-R" suffix = RoHS compliant Technical Data 4315 DR High power density, high efficiency, shielded drum core power inductors Effective September 2017 Product specifications Part Number Rated Inductance (H) OCL1 20% (H) Irms2 (A) Isat3 (A) Peak DCR4 () Typ. Volt-sec5 Typ. 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 1. Open Circuit Inductance Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc. 2. RMS current for an approximate DT of 40 C without core loss. It is recommended that the temperature of the part not exceed +125 C. 3. Peak current for approximate 30% roll off at +20 C. 4. DCR limits @ +20 C. 5. Applied Volt-Time product (V-s) across the inductor. This value represent the applied V-sec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 C temperature rise. 6. Part number definition: DRxxx-yyy-R - DRxxx = product code and size, - yyy = inductance value in H, - R = decimal point. If no R is present, third character = # of zeros - "-R" suffix = RoHS compliant www.eaton.com/electronics 5 DR High power density, high efficiency, shielded drum core power inductors Technical Data 4315 Effective September 2017 Dimensions - mm DR73 BOTTOM VIEW FRONT VIEW TOP VIEW RECOMMENDED PAD LAYOUT SCHEMATIC 6.0 7.6 Max 2.0 1 2.50 7.6 Max 3.55 Max DR73 ### wllyy R 3.25 2 8.50 1.13 DR74 FRONT VIEW BOTTOM VIEW TOP VIEW RECOMMENDED PAD LAYOUT 7.6 Max 7.6 Max 2.0 1 2.50 4.35 Max DR74 ### wllyy R SCHEMATIC 3.25 2 1.13 8.50 DR125 FRONT VIEW BOTTOM VIEW RECOMMENDED PAD LAYOUT TOP VIEW SCHEMATIC 2.05 Typ. 13.80 1 4.90 2 Typ 1 12.50 Max 6.00 Max 1 DR125-### wwllyy R 2 5.50 2 12.50 Max 3.85 10 DR127 RECOMMENDED PAD LAYOUT TOP VIEW FRONT VIEW BOTTOM VIEW 2.05 Typ. SCHEMATIC 13.80 4.90 2 Typ 1 12.50 Max 10 8.00 Max 1 12.50 Max DR127-### wwllyy R 1 5.50 2 3.85 2 ### = Inductance value per family chart wllyy and wwllyy = (date code) R = revision level 6 www.eaton.com/electronics Technical Data 4315 DR High power density, high efficiency, shielded drum core power inductors Effective September 2017 Packaging information - mm DR73 Supplied in tape and reel packaging, 1350 parts per reel, 13" diameter reel. O1.50 +0.1/-0.0 12.00 2.00 0.1 O1.50 Min. A 4.00 1.750.10 1 7.500.1 DR73 ### wllyy R Bo 0.3 ACTUAL SIZE DR73 2 Ao=7.90mm Bo=7.90mm Ko=3.80mm A Ao Ko User direction of feed SECTION A-A DR74 Supplied in tape and reel packaging, 1100 parts per reel, 13" diameter reel. O1.50 +0.1/-0.0 12.00 2.00 0.1 O1.50 Min. A 4.00 1.750.10 1 7.500.1 DR74 ### wllyy R Bo Ao=7.90mm Bo=7.90mm Ko=4.70mm 0.3 ACTUAL SIZE DR74 2 A Ao Ko SECTION A-A User direction of feed DR125 4.0 Supplied in tape and reel packaging, 600 parts per reel,13" diameter reel +0.1/-0.0 2.0 1 min A 1.7 1 11.5 DR125-### wwllyy R B0 Ao=13.0mm Bo=13.0mm Ko=6.30mm +/-0.3 ACTUAL SIZE DR125 2 A0 A 16.00 K0 SECTION A-A User direction of feed DR127 4.0 Supplied in tape and reel packaging, 350 parts per reel, 13" diameter reel. +0.1/-0.0 2.0 A min 1.7 1 11.5 Ao=13.0mm Bo=13.0mm Ko=8.30mm DR127-### wwllyy R B0 +/-0.3 ACTUAL SIZE DR127 2 A0 K0 SECTION A-A 20.00 A User direction of feed www.eaton.com/electronics 7 DR High power density, high efficiency, shielded drum core power inductors Technical Data 4315 Effective September 2017 Inductance characteristics OCL vs I sat DR74 OCL vs I sat DR73 100 100 90 80 80 60 60 OCL (%) OCL (%) 70 50 40 40 30 20 20 10 0 0 20 40 60 80 100 120 140 0 160 % of I sat 0 20 40 60 OCL vs I sat DR125 140 160 180 90 80 80 70 70 60 60 OCL (%) OCL (%) 120 100 90 50 40 50 40 30 30 20 20 10 10 0 10 20 30 40 50 60 70 80 90 % of I sat 100 110 120 130 140 0 150 0 Core loss Irms Derating with Core Loss 0 10 30 50 70 z 25 kH kH z 50 Hz 0k 10 0k Hz 30 0k Hz 80 20 % of Losses from Irms (max) 60 90 92 94 95 96 97 98 99 10 20 30 40 60 80 100 200 % of Applied Volt-second 8 100 OCL vs I sat DR127 100 0 80 % of I sat www.eaton.com/electronics 300 400 600 800 1000 10 20 30 40 50 60 70 80 % Isat 90 100 110 120 130 140 150 Technical Data 4315 DR High power density, high efficiency, shielded drum core power inductors Effective September 2017 Solder Reflow Profile TP TC -5C Temperature TL 25C Preheat A T smax Table 1 - Standard SnPb Solder (Tc) tP Max. Ramp Up Rate = 3C/s Max. Ramp Down Rate = 6C/s t Volume mm3 <350 235C 220C Package Thickness <2.5mm _2.5mm > Volume mm3 _350 > 220C 220C Table 2 - Lead (Pb) Free Solder (T c) Tsmin Package Thickness <1.6mm 1.6 - 2.5mm >2.5mm ts Time 25C to Peak Volume mm3 <350 260C 260C 250C Volume mm3 350 - 2000 260C 250C 245C Volume mm3 >2000 260C 245C 245C Time Reference JDEC J-STD-020 Profile Feature Preheat and Soak * Temperature min. (Tsmin) * Temperature max. (Tsmax) * Time (Tsmin to Tsmax) (ts) Average ramp up rate Tsmax to Tp Liquidous temperature (TL) Time at liquidous (tL) Peak package body temperature (TP)* Time (tp)** within 5 C of the specified classification temperature (Tc) Average ramp-down rate (Tp to Tsmax) Time 25C to Peak Temperature Standard SnPb Solder 100C Lead (Pb) Free Solder 150C 150C 200C 60-120 Seconds 60-120 Seconds 3C/ Second Max. 3C/ Second Max. 183C 60-150 Seconds 217C 60-150 Seconds Table 1 Table 2 20 Seconds** 30 Seconds** 6C/ Second Max. 6C/ Second Max. 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 (c) 2017 Eaton All Rights Reserved Printed in USA Publication No. 4315 BU-SB14112 September 2017 Eaton is a registered trademark. All other trademarks are property of their respective owners. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Cooper Bussmann: DR74-470-TRW Eaton: DR125-180-R DR125-560-R DR125-472-R DR73-1R0-V DR125-R47-R DR125-1R0-R DR125-1R5-R DR125100-R DR125-101-R DR125-102-R DR125-124-R DR125-150-R DR125-151-R DR125-2R2-R DR125-220-R DR125-221-R DR125-3R3-R DR125-330-R DR125-331-R DR125-4R7-R DR125-470-R DR125-471-R DR125-6R8R DR125-680-R DR125-681-R DR125-8R2-R DR125-820-R DR125-821-R DR127-R47-R DR127-1R0-R DR1271R5-R DR127-100-R DR127-101-R DR127-102-R DR127-150-R DR127-151-R DR127-2R2-R DR127-220-R DR127-221-R DR127-3R3-R DR127-330-R DR127-331-R DR127-4R7-R DR127-470-R DR127-471-R DR127-6R8R DR127-680-R DR127-681-R DR127-8R2-R DR127-820-R DR127-821-R DR73-R33-R DR73-1R0-R DR73-1R5R DR73-100-R DR73-101-R DR73-102-R DR73-150-R DR73-151-R DR73-2R2-R DR73-220-R DR73-221-R DR73-3R3-R DR73-330-R DR73-331-R DR73-4R7-R DR73-470-R DR73-471-R DR73-6R8-R DR73-680-R DR73681-R DR73-8R2-R DR73-820-R DR73-821-R DR74-R33-R DR74-1R0-R DR74-1R5-R DR74-100-R DR74-101-R DR74-102-R DR74-150-R DR74-151-R DR74-2R2-R DR74-220-R DR74-221-R DR74-3R3-R DR74-330-R DR74-331-R DR74-4R7-R DR74-470-R DR74-471-R DR74-6R8-R DR74-680-R DR74-681-R DR74-8R2-R DR74820-R DR74-821-R