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 Storage temperature range (Component): Product features -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 H to 33 H HALOGEN HF Current range from 1.8 A to 52 A Pb 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 1 2 3 4 OCL FLL (H) I I DCR (m) DCR (m) rms sat 6 5 Part Number (H) 20% minimum (A ) (A ) typical +20 C maximum +20 C K-factor 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 14.915% 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 V , 0.0 Adc, +25C. 4. I : Peak current for approximately 20% rolloff at +25 C. sat rms 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V , I , +25 C. 5. K-factor: Used to determine B for core loss (see graph). Bp-p = K * L * I. B : (Gauss), K: (K-factor from table), L: p-p p-p rms sat 3. I : DC current for an approximate temperature rise of 40 C without core loss. Derating is necessary for AC currents. (Inductance in H), I (Peak to peak ripple current in Amps). rms 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 H, 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