Effective September 2017 Technical Data 4315 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 • Storage temperature range (component): Product features -40 °C to +125 °C • Operating temperature range: -40 °C to +125 °C • Four sizes of shielded drum core inductors (ambient plus self-temperature rise) • Inductance range from 0.33 µH to 1000 µH • Solder reflow temperature: • Current range up to 56 A peak J-STD-020 (latest revision) compliant • Magnetically shielded •• SFeercruitree cmoroeu mntaintgerial Pb HHALOFGEN FREE

Technical Data 4315 DR Effective September 2017 High power density, high efficiency, shielded drum core power inductors Product specifications Rated OCL1 I 3 DCR4 sat Inductance ±20% I 2 (A) (Ω) Volt-μsec5 rms Part Number (μH) (μH) (A) Peak Typ. 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 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 V , 0.0 Adc. 6. Part number definition: DRxxx-yyy-R rms 2. RMS current for an approximate DT of 40 °C without core loss. - DRxxx = product code and size, It is recommended that the temperature of the part not exceed +125 °C. - yyy = inductance value in μH, 3. Peak current for approximate 30% roll off at +20 °C. - R = decimal point. If no R is present, third character = # of zeros 4. DCR limits @ +20 °C. - “-R” suffix = RoHS compliant 5. Applied Volt-Time product (V-μs) across the inductor. This value represent the applied V-μsec 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

DR Technical Data 4315 High power density, high efficiency, shielded drum core power inductors Effective September 2017 Product specifications Rated OCL1 I 3 DCR4 sat Inductance ±20% I 2 (A) (Ω) Volt-μsec5 rms Part Number (μH) (μH) (A) Peak Typ. 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 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 V , 0.0 Adc. 6. Part number definition: DRxxx-yyy-R rms 2. RMS current for an approximate DT of 40 °C without core loss. - DRxxx = product code and size, It is recommended that the temperature of the part not exceed +125 °C. - yyy = inductance value in μH, 3. Peak current for approximate 30% roll off at +20 °C. - R = decimal point. If no R is present, third character = # of zeros 4. DCR limits @ +20 °C. - “-R” suffix = RoHS compliant 5. Applied Volt-Time product (V-μs) across the inductor. This value represent the applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 °C temperature rise. www.eaton.com/electronics 3

Technical Data 4315 DR Effective September 2017 High power density, high efficiency, shielded drum core power inductors Product specifications Rated OCL1 I 3 DCR4 sat Inductance ±20% I 2 (A) (Ω) Volt-μsec5 rms Part Number (μH) (μH) (A) Peak Typ. 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 V , 0.0 Adc. 6. Part number definition: DRxxx-yyy-R rms 2. RMS current for an approximate DT of 40 °C without core loss. - DRxxx = product code and size, It is recommended that the temperature of the part not exceed +125 °C. - yyy = inductance value in μH, 3. Peak current for approximate 30% roll off at +20 °C. - R = decimal point. If no R is present, third character = # of zeros 4. DCR limits @ +20 °C. - “-R” suffix = RoHS compliant 5. Applied Volt-Time product (V-μs) across the inductor. This value represent the applied V-μsec 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

DR Technical Data 4315 High power density, high efficiency, shielded drum core power inductors Effective September 2017 Product specifications Rated OCL1 I 3 DCR4 sat Inductance ±20% I 2 (A) (Ω) Volt-μsec5 rms Part Number (μH) (μH) (A) Peak Typ. 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 V , 0.0 Adc. 6. Part number definition: DRxxx-yyy-R rms 2. RMS current for an approximate DT of 40 °C without core loss. - DRxxx = product code and size, It is recommended that the temperature of the part not exceed +125 °C. - yyy = inductance value in μH, 3. Peak current for approximate 30% roll off at +20 °C. - R = decimal point. If no R is present, third character = # of zeros 4. DCR limits @ +20 °C. - “-R” suffix = RoHS compliant 5. Applied Volt-Time product (V-μs) across the inductor. This value represent the applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of the total losses for 40 °C temperature rise. www.eaton.com/electronics 5

Technical Data 4315 DR Effective September 2017 High power density, high efficiency, shielded drum core power inductors Dimensions - mm DR73 BOTTOM VIEW FRONT VIEW TOP VIEW RECOMMENDED PAD LAYOUT SCHEMATIC 6.0 2.50 1 7.6 Max 7.6 DR73 2.0 Max 3.55 ### 3.25 Max wllyy R 2 8.50 1.13 DR74 BOTTOM VIEW FRONT VIEW TOP VIEW RECOMMENDED PAD LAYOUT SCHEMATIC M7a.6x 2.50 1 DR74 7.6 2.0 ### Max 4.35 wllyy R 3.25 Max 2 1.13 8.50 DR125 BOTTOM VIEW FRONT VIEW TOP VIEW RECOMMENDED PAD LAYOUT SCHEMATIC 2.05 Typ. 13.80 1 4T.y9p0 2 1 1M2a.5x0 M6.a0x0 1 DwRw1ll2y5y- # #R# 2 5.50 2 12.50 Max 10 3.85 DR127 BOTTOM VIEW FRONT VIEW TOP VIEW RECOMMENDED PAD LAYOUT SCHEMATIC 2.05 Typ. 13.80 4Ty.9p0 2 1 1M2a.5x0 M8.a0x0 12 DR127-### 5.50 1 wwllyy R 12.50 3.85 2 Max 10 ### = Inductance value per family chart wllyy and wwllyy = (date code) R = revision level 6 www.eaton.com/electronics

DR Technical Data 4315 High power density, high efficiency, shielded drum core power inductors Effective September 2017 Packaging information - mm DR73 Supplied in tape and reel packaging, Ø1.50 +0.1/-0.0 1350 parts per reel, 13" diameter reel. 2.00 ±0.1 12.00 Ø1.50 Min. 4.00 A 1.75±0.10 1 7.50±0.1 Bo wllyy R###DR73 ±0.3 ACTUAL SIZE DR73 2 Ao=7.90mm Ko Ao A Bo=7.90mm User direction of feed Ko=3.80mm SECTION A-A DR74 Supplied in tape and reel packaging, 1100 parts per reel, 13" diameter reel. Ø1.50 +0.1/-0.0 12.00 2.00 ±0.1 Ø1.50 Min. 4.00 A 1.75±0.10 1 7.50±0.1 Bo wllyy R###DR74 ±0.3 ACTDURA7L4 SIZE Ao=7.90mm 2 Bo=7.90mm Ko Ao A Ko=4.70mm SECTION A-A User direction of feed DR125 Supplied in tape and reel packaging, 4.0 600 parts per reel,13" diameter reel +0.1/-0.0 2.0 1min A 1.7 1 11.5 wD wR B0 llyy R125-### +/-0.3 ACTUAL SIZE DR125 Ao=13.0mm 2 Bo=13.0mm A0 16.00 A K0 Ko=6.30mm SECTION A-A User direction of feed DR127 Supplied in tape and reel packaging, 4.0 350 parts per reel, 13" diameter reel. +0.1/-0.0 2.0 min A 1.7 1 11.5 wD wR B0 llyy R127-### +/-0.3 ACDTRU1A2L7 SIZE Ao=13.0mm 2 Bo=13.0mm A Ko=8.30mm K0 A0 20.00 SECTION A-A User direction of feed www.eaton.com/electronics 7

Technical Data 4315 DR Effective September 2017 High power density, high efficiency, shielded drum core power inductors Inductance characteristics OCL vs Isat DR73 OCL vs Isat DR74 100 100 90 80 80 70 CL (%)6500 L (%) 60 O C 40 O40 30 20 20 10 0 0 0 20 40 60 80 100 120 140 160 0 20 40 60 80 100 120 140 160 180 % of Isat % of Isat OCL vs Isat DR125 OCL vs I sat DR127 100 100 90 90 80 80 70 70 %)60 %)60 CL (50 CL (50 O40 O40 30 30 20 20 10 10 0 0 0 10 2200 30 40 50 60 70 80 90 100 110 120 130 140 150 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 % of Isat % Isat Core loss Irms Derating with Core Loss 0 10 30 50 60 ax) 70 m (ms 80 om Ir 300 kHz 200 kHz 100 kHz 50 kHz 25 kHz s fr 90 se 92 s Lo 94 of 95 % 96 97 98 9910 20 30 40 60 80 100 200 300 400 600 800 1000 % of Applied Volt-µsecond 8 www.eaton.com/electronics

DR Technical Data 4315 High power density, high efficiency, shielded drum core power inductors Effective September 2017 Solder Reflow Profile TP T -5°C TTaabbllee 11 -- SSttaannddaarrdd SSnnPPbb SSoollddeerr ((TTcc)) C Max. Ramp Up Rate = 3°C/s tP Volume Volume Max. Ramp Down Rate = 6°C/s Package mm3 mm3 T Thickness <350 >_350 L Preheat t <2.5mm 235°C 220°C A >_2.5mm 220°C 220°C T e smax atur TTaabbllee 22 -- LLeeaadd ((PPbb)) FFrreeee SSoollddeerr ((TTcc)) mper Tsmin Volume Volume Volume e t Package mm3 mm3 mm3 T s Thickness <350 350 - 2000 >2000 <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 (cid:129)Temperature min.(Tsmin) 100°C 150°C (cid:129)Temperature max.(Tsmax) 150°C 200°C (cid:129)Time (Tsminto Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmaxto 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 (Tpto 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 Printed in USA Eaton is a registered trademark. Publication No. 4315 BU-SB14112 September 2017 All other trademarks are property of their respective owners.