Effective July 2017 Technical Data 4449 Supersedes June 2012 HCM1103 High current power inductors Applications Voltage Regulator Module (VRM) Multi-phase regulators Point-of-load modules Desktop and server VRMs and EVRDs Base station equipment Notebook and laptop regulators Battery power systems Graphics cards Data networking and storage systems Product features Environmental Data 11.5 x 10.3 x 3.0 mm maximum surface Storage temperature range (Component): mount package -55 C to +125 C Iron powder core material Operating temperature range: -55 C to +125 C Magnetically shielded, low EMI (ambient plus self-temperature rise) High current carrying capacity, low core losses Solder reflow temperature: J-STD-020 (latest revision) compliant Inductance range from 0.12 H to 22.0 H Current range from 3.0 A to 75 A HALOGEN Halogen free, lead free, RoHS compliant HF Pb FREEwlyy R HCM1103 Technical Data 4449 Effective July 2017 High current power inductors Product Specifications 1 2 3 4 DCR (m) DCR (m) Part OCL FLL min. Irms Isat +25 C 6 5 +20 C Typical +20 C Maximum Number 20% (H) (H) (A) (A) K-Factor HCM1103-R12-R 0.12 0.07 30 75 0.55 0.61 1200 HCM1103-R36-R 0.36 0.26 23 28 1.10 1.30 711 HCM1103-R47-R 0.47 0.33 20 26 1.50 2.00 515 HCM1103-R68-R 0.68 0.38 21 23 2.90 3.40 510 HCM1103-1R0-R 1.0 0.56 15 21 5.50 6.00 377 HCM1103-2R2-R 2.2 1.2 13 16 8.40 9.00 264 HCM1103-3R3-R 3.3 1.9 9.0 14 14.5 16.0 230 HCM1103-4R7-R 4.7 2.6 7.0 13 20.5 22.5 205 HCM1103-8R2-R 8.2 4.6 5.0 8.5 35.0 38.5 153 HCM1103-100-R 10.0 5.6 5.0 7.5 40.0 44.0 141 HCM1103-150-R 15.0 8.4 4.0 6.0 59.0 65.0 114 HCM1103-220-R 22.0 12.3 3.0 5.0 90.0 99.0 91 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V , 0.0 Adc 4. I : Peak current for approximately 30% rolloff at +25 C rms sat +25 C 5. K-factor: Used to determine B for core loss (see graph). B p-p p-p 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V , I +25 C. = K * L * I. B :(Gauss), K: (K-factor from table), rms sat p-p 3. I : DC current for an approximate temperature rise of 40 C without core rms L: (Inductance in H), I (peak-to-peak ripple current in Amps). loss. Derating is necessary for AC currents. PCB layout, trace thickness and 6. Part Number Definition: HCM1103-xxx-R width, air-flow and proximity of other heat generating components will affect HCM1103 = Product code and size the temperature rise. It is recommended that the temperature of the part not xxx= Inductance value in H, R = decimal point, exceed +125 C under worst case operating conditions verified in the end if no R is present then third character = number of zeros. application. -R suffix = RoHS compliant Dimensions (mm) Top View Top View Side View Bottom View Recommended Pad Layout Schematic HCM1103-R36-R & HCM1103-R12-R & HCM1103-R47-R HCM1103-R68-R to HCM1103-220R wlyy R Part Marking: xxx = Inductance value in uH, R = decimal point, if no R is present then third character = of zeros. wlyy = (Date code), R = Revision Level All soldering surfaces to be coplanar within 0.10 millimeters. Tolerances are 0.3 millimeters unless stated otherwise. HCM1103-R36-R and HCM1103-R47-R Color: Top Grey HCM1103-R12-R and HCM1103-R68-R to HCM1103-220-R Color : Top Grey Do not route traces or vias underneath the inductor www.eaton.com/electronics 2