Effective September 2017 Technical Data 4371 Supersedes June 2014 HCM1305 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 Product features Storage temperature range (component): High current carrying capacity -55 C to +125 C Low core losses Operating temperature range: -55 C to +125 C Magnetically shielded, low EMI (ambient plus self-temperature rise) Frequency range up to 5 MHz Solder reflow temperature: Inductance range from 0.10 H to 33 H J-STD-020 (latest revision) compliant Current range from 5.2 A to 118 A HALOGEN 13.8 mm x 12.5 mm footprint surface mount Pb HF package in a 5.0 mm height FREE Iron powder core materialHCM1305 Technical Data 4371 High current power inductors Effective September 2017 Product specifications DCR (m) 1 DCR (m1) 1 2 3 4 OCL FLL Min. I I +20 C +20 C rms sat 6 5 Part Number (H) 20% (H) (A) (A) nominal maximum K-factor HCM1305-R10-R 0.10 0.064 55 118 0.52 0.59 848 HCM1305-R22-R 0.22 0.14 51 110 0.63 0.72 843 HCM1305-R33-R 0.33 0.21 42 80 0.80 0.92 506 HCM1305-R47-R 0.47 0.30 38 65 0.80 0.92 506 HCM1305-R56-R 0.56 0.36 36 55 1.15 1.33 500 HCM1305-R68-R 0.68 0.44 34 54 1.15 1.33 500 HCM1305-R82-R 0.82 0.52 31 53 1.40 1.61 358 HCM1305-1R0-R 1.00 0.64 29 50 2.10 2.42 275 HCM1305-1R5-R 1.50 0.96 23 48 2.75 3.16 225 HCM1305-1R8-R 1.80 1.15 21 40 4.00 4.60 216 HCM1305-2R2-R 2.20 1.41 20 32 4.60 5.29 191 HCM1305-3R3-R 3.30 2.11 15 32 7.70 9.20 170 HCM1305-4R7-R 4.70 3.01 12 27 11.0 12.7 161 HCM1305-5R6-R 5.60 3.58 11.5 22 12.0 13.8 142 HCM1305-6R8-R 6.80 4.35 11 21 13.0 15.0 129 HCM1305-7R8-R 7.80 4.99 10 18.5 16.8 19.4 117 HCM1305-8R2-R 8.20 5.25 9.5 18 17.5 20.1 117 HCM1305-100-R 10.0 6.40 9.0 16 19.0 21.9 90 HCM1305-150-R 15.0 9.60 7.7 13 29.0 33.4 74 HCM1305-220-R 22.0 14.1 6.2 10 45.0 51.8 63 HCM1305-330-R 33.0 21.1 5.2 8 74.5 85.5 48 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V , 0.0 Adc, 4. I : Peak current for approximately 20% rolloff at +25 C. rms sat +25 C. 5. K-factor: Used to determine B for core loss (see graph). B = K * L * I. 6 p-p p-p 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V , I , +25 B : (Gauss), K: (K-factor from table), L: (Inductance in H), I (Peak to 6 peak rms sat p-p C. ripple current in amps). 3. I : DC current for an approximate temperature rise of 40 C without core rms 6. Part Number Definition: HCM1305-yyy-R loss. Derating is necessary for AC currents. PCB layout, trace thickness and - HCM1305 = Product code and size width, air-flow, and proximity of other heat generating components will affect yyy= Inductance value in H, R = decimal point, the temperature rise. It is recommended that the temperature of the part not if no R is present then third character = number of zeros. exceed +125 C under worst case operating conditions verified in the end -R suffix = RoHS compliant application. www.eaton.com/electronics 2