Effective July 2017 Technical Data 4142 Supersedes March 2007 LDS0705 Shielded metalized drum core power inductors Applications Buck or Boost Inductor Noise filtering and output filter chokes Battery Power, DC-DC converters Notebook and laptop power Hand held devices Media players Environmental data SMD Device Storage temperature range (component): -40 C to +125 C Product features Operating temperature range: -40 C to +125 C 7.8 mm x 7.0 mm x 5.0 mm shielded drum (ambient plus self-temperature rise) core Solder reflow temperature: Ferrite core material J-STD-020 (latest revision) compliant Metalized core mounting utilizes board space HALOGEN Inductance range from 0.82 H to 470 H Pb HF Current range from 0.368 A to 8.57 A FREE Frequency range up to 1 MHz Discontinued, Effective October 31, 2018 or until inventory is depeleted. No replacement available. DRA74-R possible alternate solution.LDS0705 Technical Data 4142 Effective July 2017 Shielded metalized drum core power inductors Product specifications Part Number Rated OCL (1) Irms(2) Isat (3) DCR () K-factor Inductance H (A) (A) +20 C (4) (H) (Typical) LDS0705-R82M-R 0.82 0.86120% 7.68 8.57 0.0040 24.8 LDS0705-1R5M-R 1.5 1.4220% 6.17 6.67 0.0061 19.3 LDS0705-2R2M-R 2.2 2.1320% 5.06 5.45 0.009 15.8 LDS0705-3R3M-R 3.3 2.9720% 4.19 4.62 0.013 13.4 LDS0705-4R7M-R 4.7 5.0820% 3.32 3.53 0.021 10.2 LDS0705-6R8M-R 6.8 6.3420% 3.11 3.16 0.024 9.2 LDS0705-8R2M-R 8.2 7.7520% 2.67 2.86 0.033 8.3 LDS0705-100M-R 10.0 9.3020% 2.54 2.61 0.036 7.6 LDS0705-150M-R 15.0 14.7820% 2.04 2.07 0.056 6.0 LDS0705-220M-R 22.0 21.5320% 1.66 1.71 0.084 5.0 LDS0705-330M-R 33.0 32.5020% 1.48 1.40 0.107 4.0 LDS0705-470M-R 47.0 45.7120% 1.21 1.18 0.158 3.4 LDS0705-680M-R 68.0 69.7620% 0.985 0.952 0.240 2.8 LDS0705-820M-R 82.0 83.6720% 0.850 0.870 0.323 2.5 LDS0705-101M-R 100.0 98.920% 0.808 0.800 0.357 2.3 LDS0705-151M-R 150.0 152.020% 0.649 0.645 0.554 1.9 LDS0705-221M-R 220.0 216.520% 0.584 0.541 0.68 1.6 LDS0705-331M-R 330.0 329.920% 0.470 0.438 1.06 1.3 LDS0705-471M-R 470.0 467.020% 0.387 0.368 1.56 1.1 (1) Open Circuit Inductance Test Parameters: 100 kHz, 0.1 V, 0.0 Adc. (4) K-factor: Used to determine B p-p for core loss (see graph). (2) Irms: DC current for an approximate T of 30 C without core loss. Derating is B p-p = K*L*I, B p-p(mT), K: (K factor from table), L: (Inductance in H), necessary for AC currents. PCB layout, trace thickness and width, air-flow, and (Peak to peak ripple current in Amps). proximity of other heat generating components will affect the temperature rise. It (5) Part Number Definition: LDS0705-xxx-R is recommended that the temperature of the part not exceed +125 C under LDS0705 = Product code and size -xxx = Inductance value in uH worst case operating conditions verified in the end application. R = decimal point If no R is present, last character equals number of zeros. (3) Isat Amperes peak for approximately 15% rolloff ( +25 C) M = Inductance tolerance +/- 20% -R suffix = RoHS compliant Dimensions- mm SCHEMATIC SIDE VIEW RECOMMENDED PCB LAYOUT BOTTOM VIEW TOP VIEW 2.0 1 2.0 Typ. XXX 7.0 5.0 Max. 7.00.2 wwllyy R 2 3.0 7.80.2 Marking: xxx = Inductance in uH. R = decimal point. If no R is present last character equals number of zeros. wwllyy = Date code, R = Revision level. Do not route traces or vias underneath the inductor Packaging information- mm Parts packaged on 13 Diameter reel, 1,000 parts per reel. www.eaton.com/electronics 2 Discontinued, Effective October 31, 2018 or until inventory is depeleted. No replacement available. DRA74-R possible alternate solution.