Effective August 2018 Technical Data 4370 Supersedes September 2017 HCM1104 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 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 + self-temperature rise) Magnetically shielded, low EMI Solder reflow temperature: J-STD-020 (latest revision) compliant Frequency range up to 5 MHz Inductance range from 0.2 H to 22 H HALOGEN Current range from 5 A to 45 A HF Pb FREE 11.5 mm x 10.3 mm footprint surface mount package in a 4.0 mm height Iron powder core materialHCM1104 Technical Data 4370 Effective August 2018 High current power inductors Product Specifications DCR (m) DCR (m) 1 2 3 4,5 OCL FLL (H) I I typical maximum rms sat 7 6 Part Number (H) 20% minimum (A) (A) +20 C +20 C K-factor HCM1104-R20-R 0.20 0.13 32 45 0.63 0.72 411 HCM1104-R36-R 0.36 0.23 30 42 1.04 1.20 269 HCM1104-R45-R 0.45 0.29 29 36 1.07 1.23 219 HCM1104-R56-R 0.56 0.36 25 32 1.56 1.80 230 HCM1104-R90-R 0.90 0.58 22 28 2.17 2.50 236 HCM1104-1R0-R 1.0 0.56 18 28 3.0 3.3 378 HCM1104-1R5-R 1.5 0.84 16 32 3.8 4.2 310 HCM1104-2R2-R 2.2 1.23 12 18 6.0 7.0 253 HCM1104-3R3-R 3.3 1.85 10 16 10.8 11.8 220 HCM1104-4R7-R 4.7 2.63 8.5 15 17 20 175 HCM1104-100-R 10 5.60 7.5 8.5 27 30 116 HCM1104-220-R 22 12.3 5.0 5.5 60 66 92 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc, +25 C 5. I sat: Peak current for approximately 30% rolloff +25 C HCM1104-1R0-R to HCM1104-220-R 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 Vrms, I , +25 C 6. K-factor: Used to determine B p-p for core loss (see graph). Bp-p = K * L * I. Bp-p: (Gauss), K: (K-factor from table), L: 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 7. Part Number Definition: HCM1104-xxx-R temperature rise. It is recommended that the temperature of the part not exceed +125 C under worst case operating HCM1104 = Product code and size conditions verified in the end application. xxx= inductance value in H, R= decimal point , 4. I : Peak current for approximately 20% rolloff +25 C- HCM1104-R20-R to HCM1104-R90-R If no R is present then last character equals number of zeros sat -R suffix = RoHS compliant Dimensions (mm) Recommended pad layout Schematic Part marking: xxx=inductance value in uH, R= decimal point. If no R is present then last character equals number of zeros. wlyy=date code, R=revision level All soldering surfaces to be coplanar within 0.1 millimeters Tolerances are 0.3 millimeters unless stated otherwise Color: Grey Do not route traces or vias underneath the inductor 2 www.eaton.com/electronics