Effective March 2016 Technical Data 4085 Supersedes December 2014 HCM0703 High current power inductors Applications • Voltage Regulator Module (VRM) • Multi-phase regulators • Point-of-loadmodules • Desktop and server VRMs and EVRDs • Base station equipment • Laptop and notebook regulators • Battery power systems • Graphics cards • Data networking and storage systems Environmental Data Product features • Storage temperature range (Component): -55 °C to +125 °C • High current carrying capacity • Operating temperature range: -55 °C to +125 °C • Low core losses (ambient plus self-temperature rise) • Magnetically shielded, low EMI • Solder reflow temperature: J-STD-020 compliant (Latest revision) • Frequency range up to 5 MHz • Inductance range from 0.15 μH to 33 μH Pb HHALOFGEN • Current range from 1.8 A to 52 A FREE • 7.4 mm x 6.8 mm footprint surface mount package in a 3.0 mm height • Iron powder core material

Technical Data 4085 HCM0703 Effective March 2016 High current power inductors Product Specifications OCL1 FLL2 (μH) I 3 I 4 DCR (mΩ) DCR (mΩ) rms sat Part Number6 (μH) ±20% minimum (A ) (A ) typical @ +20 °C maximum @ +20 °C K-factor5 HCM0703-R15-R 0.15 0.09 26 52 1.9 2.5 1044 HCM0703-R22-R 0.22 0.13 23 40 2.5 2.8 986 HCM0703-R47-R 0.47 0.28 17.5 26 4.0 4.2 580 HCM0703-R68-R 0.68 0.41 15.5 25 5.0 5.5 455 HCM0703-R82-R 0.82 0.49 13 24 6.7 8.0 439 HCM0703- 1R0-R 1.0 0.60 11 22 9.0 10 374 HCM0703- 1R5-R 1.5 0.90 9.0 18 14 15 366 HCM0703- 2R2-R 2.2 1.3 8.0 14 18 20 281 HCM0703- 3R3-R 3.3 2.0 6.0 13.5 28 30 252 HCM0703- 4R7-R 4.7 2.8 5.5 10 37 40 210 HCM0703- 6R8-R 6.8 4.1 4.5 8.0 54 60 151 HCM0703- 8R2-R 8.2 4.9 4.0 7.5 64 68 142 HCM0703- 100-R 10 6.0 3.2 7.0 71 78 132 HCM0703- 150-R 14.9±15% 10.1 2.2 5.0 113 127 105 HCM0703- 220-R 22 14.1 2.3 3.0 135 149 83 HCM0703- 330-R 33 19.8 1.8 2.2 220 242 76 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc, +25°C. 4. Isat: Peak current for approximately 20% rolloff at +25 °C. 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 Vrms, Isat, @ +25 °C. 5. K-factor: Used to determine Bp-p for core loss (see graph). Bp-p = K * L * ΔI. Bp-p: (Gauss), K: (K-factor from table), L: 3. Irms: DC current for an approximate temperature rise of 40 °C without core loss. Derating is necessary for AC currents. (Inductance in μH), ΔI (Peak to peak ripple current in Amps). PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the 6. Part Number Definition: HCM0703-xxx-R temperature rise. It is recommended that the temperature of the part not exceed +125 °C under worst case operating HCM0703 = Product code and size conditions verified in the end application. -xxx= Inductance value in μH, R = decimal point, if no R is present then last character equals number of zeros. “-R” suffix = RoHS compliant Dimensions (mm) Part marking: XXX=Inductance value in uH, R= decimal point. If no R is present then last character equals number of zeros. wly=date code, R=revision level All soldering surfaces to be coplanar within 0.10 millimeters Tolerances are ±0.3 millimeters unless stated otherwise Color: Grey 2 www.eaton.com/electronics

HCM0703 Technical Data 4085 High current power inductors Effective March 2016 Packaging information (mm) Supplied in tape and reel packaging, 1500 parts per 13” diameter reel. Temperature rise vs. total loss 50.0 40.0 C) ° e ( s Ri 30.0 e r u t a r e p m 20.0 e T 10.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Total Loss (W) www.eaton.com/electronics 3

Technical Data 4085 HCM0703 Effective March 2016 High current power inductors Core loss vs. Bp-p 10000 1 MHz 500 kHz 1000 300 kHz 200 kHz 100 kHz W) 100 m s ( s o L e r Co 10 1 0.1 100 1000 10000 B (Gauss) p-p Inductance characteristics HCM0703-R15-R HCM0703-R22-R 110% 110% 100% 100% 90% 90% L L C 80% C80% O O % of 70% % of 70% 60% 60% 50% 50% 40% 40% 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 I (A) DC I (A) DC 4 www.eaton.com/electronics

HCM0703 Technical Data 4085 High current power inductors Effective March 2016 Inductance characteristics HCM0703-R47-R HCM0703-R68-R 110% 110% 100% 100% 90% 90% L L C80% C80% O O f f o o % 70% % 70% 60% 60% 50% 50% 40% 40% 0 5 10 15 20 25 30 35 40 45 50 0 5 10 15 20 25 30 35 40 45 I (A) I (A) DC DC HCM0703-R82-R HCM0703-1R0-R 110% 110% 100% 100% 90% 90% L OC80% CL 80% O of f % 70% % o 70% 60% 60% 50% 50% 40% 40% 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 IDC(A) IDC(A) HCM0703-1R5-R HCM0703-2R2-R 110% 110% 100% 100% 90% 90% L L C80% C80% O O of of % 70% % 70% 60% 60% 50% 50% 40% 40% 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 I (A) I (A) DC DC www.eaton.com/electronics 5

Technical Data 4085 HCM0703 Effective March 2016 High current power inductors Inductance characteristics HCM0703-3R3-R HCM0703-4R7-R 110% 110% 100% 100% 90% 90% L L C80% C80% O O % of 70% % of 70% 60% 60% 50% 50% 40% 40% 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 IDC(A) IDC(A) HCM0703-6R8-R HCM0703-8R2-R 110% 110% 100% 100% 90% 90% L L C80% C80% O O % of 70% % of 70% 60% 60% 50% 50% 40% 40% 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 IDC(A) IDC(A) HCM0703-100-R HCM0703-150-R 110% 110% 100% 100% 90% 90% L L C80% C 80% O O % of 70% % of 70% 60% 60% 50% 50% 40% 40% 0 2 4 68 1 0 12 14 0 1 2 3 4 5 6 7 8 9 10 I (A) DC I (A) DC 6 www.eaton.com/electronics

HCM0703 Technical Data 4085 High current power inductors Effective March 2016 Inductance characteristics HCM0703-220-R HCM0703-330-R 110% 110% 100% 100% 90% 90% L L C80% C80% O O f f o o % 70% % 70% 60% 60% 50% 50% 40% 40% 0 1 2 3 4 5 6 0 1 2 3 4 5 6 I (A) I (A) DC DC www.eaton.com/electronics 7

Technical Data 4085 HCM0703 Effective March 2016 High current power inductors 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 <2.5 mm) 235 °C 220 °C Preheat t ≥2.5 mm 220 °C 220 °C A e Tsmax ur Table 2 - Lead (Pb) Free Solder (Tc) at er Volume Volume Volume Temp Tsmin ts PThacickkangees s <m3m503 3m5m03 - 2000 >m2m030 0 <1.6 mm 260 °C 260 °C 260 °C 1.6 – 2.5 mm 260 °C 250 °C 245 °C >2.5 mm 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 © 2016 Eaton All Rights Reserved Eaton is a registered trademark. Printed in USA Publication No. 4085 BU-MC16036 All other trademarks are property March 2016 of their respective owners.