LD1-4R7-R

Effective July 2017 Technical Data 4310 Supersedes December 2007 LD Metalized drum core power inductors Applications Buck or boost inductor Noise filtering and output filter chokes Computers Power supplies Test equipment instrumentation Environmental data SMD Device Storage temperature range (component): -40 C to +125 C Product features Operating temperature range: -40 C to +125 C Metalized drum core design utilizes board (ambient plus self-temperature rise) space Solder reflow temperature: Current Range from 0.52 A to 4.46 A J-STD-020 (latest revision) compliant Inductance range from 1.0 H to 470 H Ferrite core materialLD Technical Data 4310 Effective July 2017 Metalized drum core power inductors Product specifications (1) (2) (3) (4) Part Rated OCL I I DCR rms sat Number Inductance Nominal (A) (A) () (H) (Max.) LD1-1R0-R 1.0 1.00 2.66 4.46 0.0330 LD1-1R4-R 1.4 1.40 2.47 3.41 0.0380 LD1-1R8-R 1.8 1.80 2.35 3.05 0.0420 LD1-2R2-R 2.2 2.20 2.22 2.76 0.0470 LD1-2R7-R 2.7 2.70 2.11 2.52 0.0520 LD1-3R3-R 3.3 3.30 2.00 2.32 0.0580 LD1-3R9-R 3.9 3.90 1.75 2.14 0.0760 LD1-4R7-R 4.7 4.70 1.57 2.00 0.0940 LD1-5R6-R 5.6 5.60 1.51 1.75 0.1010 LD1-6R8-R 6.8 6.80 1.41 1.56 0.1170 LD1-8R2-R 8.2 8.20 1.32 1.41 0.1320 LD1-100-R 10 10.0 1.13 1.28 0.1820 LD1-120-R 12 12.0 1.05 1.18 0.2100 LD1-150-R 15 15.0 0.99 1.05 0.2350 LD1-180-R 18 18.0 0.83 0.98 0.3380 LD1-220-R 22 22.0 0.78 0.89 0.3780 LD1-270-R 27 27.0 0.67 0.87 0.5220 LD1-330-R 33 33.0 0.66 0.75 0.5400 LD1-390-R 39 39.0 0.63 0.68 0.5870 LD1-470-R 47 47.0 0.52 0.61 0.8440 LD1-560-R 56 56.0 0.50 0.57 0.9370 LD1-680-R 68 68.0 0.46 0.52 1.12 LD1-820-R 82 82 0.43 0.50 1.28 LD1-101-R 100 100 0.36 0.45 1.72 LD1-151-R 150 150 0.29 0.40 2.68 LD1-221-R 220 220 0.26 0.33 3.42 LD1-331-R 330 330 0.22 0.30 4.70 LD2-100-R 10 10.0 3.83 3.45 0.0700 LD2-120-R 12 12.0 3.57 3.20 0.0800 LD2-150-R 15 15.0 3.38 2.85 0.0900 LD2-180-R 18 18.0 3.19 2.60 0.1000 LD2-220-R 22 22.0 3.13 2.45 0.1100 LD2-270-R 27 27.0 2.81 2.10 0.1200 LD2-330-R 33 33.0 2.70 2.01 0.1300 LD2-390-R 39 39.0 2.42 1.85 0.1600 LD2-470-R 47 47.0 2.25 1.64 0.1800 LD2-560-R 56 56.0 1.96 1.50 0.2400 LD2-680-R 68 68.0 1.88 1.35 0.2800 LD2-820-R 82 82 1.63 1.28 0.3700 LD2-101-R 100 100 1.53 1.15 0.4300 LD2-121-R 120 120 1.43 1.09 0.4700 LD2-151-R 150 150 1.23 0.95 0.6400 LD2-181-R 180 180 1.15 0.87 0.7100 LD2-221-R 220 220 1.00 0.79 0.9600 LD2-271-R 270 270 0.94 0.73 1.11 LD2-331-R 330 330 0.83 0.64 1.26 LD2-391-R 390 390 0.78 0.58 1.77 LD2-471-R 470 470 0.74 0.55 1.96 Notes: 4) DCR limits +20 C 1) Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V , 0.0 Adc 5) Part number definition: LDx-yyy-R rms +/-20% except for LD1-330-R to LD1-331-R and LD2-470-R to LD2-471-R which is +/-10% LDx = product code and size, -yyy = inductance value in H, 2) RMS current for an approximate T of 40C. It is recommended that the temperature of the R = decimal point. If no R is present, third character = of zeros part not exceed +125 C -R suffix = RoHS compliant 3) Peak current for an approximate 10% rolloff at +20 C www.eaton.com/electronics 2