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  technical data 4142 product features ? 7.8 mm x 7.0 mm x 5.0 mm shielded drum core ? ferrite core material ? metalized core mounting utilizes board space ? inductance range from 0.82 h to 470 h ? current range from 0.368 a to 8.57 a ? frequency range up to 1 mhz applications ? storage temperature range (component): -40 c to +125 c ? operating temperature range: -40 c to +125 c (ambient plus self-temperature rise) ? solder reflow temperature: j-std-020 (latest revision) compliant lds0705 shielded metalized drum core power inductors ? buck or boost inductor ? noise filtering and output filter chokes ? battery power, dc-dc converters ? notebook and laptop power ? hand held devices ? media players smd device environmental data pb halogen hf free effective july 2017 supersedes march 2007 discontinued, effective october 31, 2018 or until inventory is de pele ted . no replacement available. dra74-r possible alternate solution.
2 technical data 4142 effective july 2017 lds0705 shielded metalized drum core power inductors product specifications part number rated ocl (1) irms(2) isat (3) dcr ( ) k-factor inductance ? (a) (a) @+20 (4) (?) (typical) lds0705-r82m-r 0.82 0.861?0% 7.68 8.57 0.0040 24.8 lds0705-1r5m-r 1.5 1.42 20% 6.17 6.67 0.0061 19.3 lds0705-2r2m-r 2.2 2.13?0% 5.06 5.45 0.009 15.8 lds0705-3r3m-r 3.3 2.97?0% 4.19 4.62 0.013 13.4 lds0705-4r7m-r 4.7 5.08 20% 3.32 3.53 0.021 10.2 lds0705-6r8m-r 6.8 6.34?0% 3.11 3.16 0.024 9.2 lds0705-8r2m-r 8.2 7.75?0% 2.67 2.86 0.033 8.3 lds0705-100m-r 10.0 9.30?0% 2.54 2.61 0.036 7.6 lds0705-150m-r 15.0 14.78?0% 2.04 2.07 0.056 6.0 lds0705-220m-r 22.0 21.53?0% 1.66 1.71 0.084 5.0 LDS0705-330M-R 33.0 32.50?0% 1.48 1.40 0.107 4.0 lds0705-470m-r 47.0 45.71?0% 1.21 1.18 0.158 3.4 lds0705-680m-r 68.0 69.76 20% 0.985 0.952 0.240 2.8 lds0705-820m-r 82.0 83.67?0% 0.850 0.870 0.323 2.5 lds0705-101m-r 100.0 98.9?0% 0.808 0.800 0.357 2.3 lds0705-151m-r 150.0 152.0?0% 0.649 0.645 0.554 1.9 lds0705-221m-r 220.0 216.5?0% 0.584 0.541 0.68 1.6 lds0705-331m-r 330.0 329.9?0% 0.470 0.438 1.06 1.3 lds0705-471m-r 470.0 467.0?0% 0.387 0.368 1.56 1.1 (1) op e n c i rcuit inductance test parameters: 10 0 khz , 0 . 1 v, 0.0 adc. (2) i rms: dc current for an approximate ?t of 30 without c ore loss . derating is ne c e s s a ry for ac cur rents. pcb layout, trace thickness and width, air-flow, and p roxim i t y o f o t h e r heat generating components will affect the temperature r ise. it i s recom mended that the temperature of the part not exceed + 12 5 under w o rst case operating conditions verified in the end application. (3) i s a t am p e res peak for approximately 15% rolloff (@+25 c ) (4) k-factor: used t o deter mine b p-p for core loss (see graph). b p-p = k*l*? i, b p-p( mt ), k : (k factor from table), l: (inductance in ?), ? (peak to peak ripple current in amps). ( 5) pa rt number definition : l d s0705-xxx-r l d s0705 = product code and size; - x x x = inductance value in uh; r = decimal point; i f n o r i s p resen t , last character equals number of zeros. m = inductance tolerance +/- 20% -r su f f i x = ro h s compliant marking: x x x = i n ductance in uh. r = d e c i mal point. i f n o r is p resen t last character equals number o f z e ros. wwll y y = d a t e c o d e , r = revision level. do n ot route traces or vias underneath the inductor recommended pcb layout schematic 2 1 top v iew xx x wwllyy r side view bottom view 7.0?.2 7.80.2 5 .0 ma x. 7.0 3.0 2.0 2 .0 typ. dimensions- mm pac k a g i n g i n f ormation- mm p a r t s p a cka g e d o n 1 3 " d i a mete r reel, 1 , 0 0 0 p a rts p e r r e e l . www.eaton.com/electronics discontinued, effective october 31, 2018 or until inventory is depeleted. no replacement available. dra74-r possible alternate solution.
3 www.eaton.com/electronics technical data 4142 effective july 2017 lds0705 shielded metalized drum core power inductors temperature rise vs. total l oss core l oss vs bp-p 1 mhz 500 khz 30 0 khz 20 0 khz 10 0 khz 50 khz 0.0001 0.001 0.01 0.1 1 10 100 1 10 100 1000 bp-p (mt) core lo ss (w) inductance characteristics 90 80 70 60 50 40 30 20 10 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 tot al loss (w) temperature rise (c) ocl vs. isat 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% 120% 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 200% % of isat % of ocl -40 25 85 discontinued, effective october 31, 2018 or until inventory is depeleted. no replacement available. dra74-r possible alternate solution.
technical data 4142 effective july 2017 lds0705 shielded metalized drum core power inductors solder reflow profile temperature t t p t s t c -5c time 25c to peak time 25c t smin t smax t l t p preheat a max. ramp up rate = 3c/s max. ramp down rate = 6c/s t t a ab b l l e e 1 1 - - s s t t a a n n d da a r r d d s s n np p b b s s o ol l d d e e r r ( ( t t c c ) ) volume volume package mm 3 mm 3 thickness <350 _ >350 <2.5mm 235 c 220c _ >2.5mm 220 c 220c t t a ab b l l e e 2 2 - - l l e e a ad d ( ( p p b b ) ) f fr r e e e e s s o ol l d de e r r ( ( t t c c ) ) volume volume volume package mm 3 mm 3 mm 3 thickness <350 350 - 2000 >2000 <1.6 mm 260c 260c 260c 1.6 ? 2.5mm 260c 250c 245c >2.5mm 250 c 245c 245c reference jdec j-std-020 standard snpb solder lead (pb) free solder profile feature preheat and soak? e t mperature min. (t smin ) 100c 150c ? t emperature m a x. (t smax ) 150c 200c ? tim e (t smin to t smax ) (t s ) 60-120 seconds 60-120 seconds 3c/ second m a x. 3c/ second m ax. 183c 217c 60-150 seconds 60-150 seconds t ab le 1 abl e 2 t 20 seconds** 30 seconds** 6c/ second m ax. 6c/ second m ax. av erage r amp up rate t smax to t p liquidous temperature (t l ) tim e a t liqui dous (t l ) peak package body temperature (t p )* tim e (t p )** within 5 c of the specified classification temperature (t c ) av erage r amp-down rate (t p to t smax ) tim e 25c to peak t emperature minutes max. 6 8 minutes max. * tol erance for peak profile t emperature (t p ) is defined as a supplier minimum and a user maximum. ** tol erance for time a t p eak profile t emperature (t p ) is defined as a supplier minimum and a user maximum. eaton electronics division 1000 eaton boulevard cleveland, oh 44122 united states www.eaton.com/electronics ? 2017 eaton all rights reserved printed in usa publication no. 4142 ju ly 2017 eaton is a registered trademark. all other trademarks are property of their respective owners. life support policy: eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an offcer of the company. life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in signifcant injur y to the user. eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribu tion of any products. eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. discontinued, effective october 31, 2018 or until inventory is depeleted. no replacement available. dra74-r possible alternate solution.


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