silm418 t ype 25 : 100khz, 0.1v o c 49 features rohs compl iant. low profile (1.8m m m ax. height) smd type. magne tically shield ed, suitabl e fo r hig h de nsity mount ing. self-le ads, suitab le fo r hig h de nsity mount ing. high energy storag e an d low dcr. provid ed w ith e mboss ed c arrier tape packin g. idel for power source circuit s, d c-dc conve rter, dc-ac inverte rs inducto r ap plicatio ns. in a ddition to t he s tandar d ve rsions shown here, custom ized induct ors are availab le to meet your exact requir ements . electrical characteristics: 0 . 0 1 0 . 1 0 1 . 0 0 1 0 . 0 0 c u r r e n t ( a ) 0 . 1 0 1 . 0 0 1 0 . 0 0 1 0 0 . 0 0 i n d u c t a n c e ( u h ) 1 0 1 6 8 0 1 r 5 6 r 8 4 7 0 3 3 0 2 2 0 1 5 0 1 0 0 4 r 7 3 r 3 2 r 2 2 ira ted (a dc ) p ar t n o. d c r (m ) m a x 1 l (u h) 1. t oler ance of indu ctan ce: 30% 2. ir ated is the dc cur rent wh ich caus e th e in duct ance dro p 3 5% typi cal of it s no mina l ind ucta nce with out cur rent a nd the sur face tem pera ture of the pa rt in crea se l ess tha n 4 5 o c. 3. o pera ting tem pera ture : -2 0 to 1 05 (incl udin g se lf-te mpe ratu re r ise). o o c c s m t p o w e r i n d u c t o r delt a electronics, inc. (taoyuan plant cpbg) 252, san ying road, kueisan industrial zone, taoyuan shien, 333, taiwan, r .o.c. tel: 886-3-3591968; fax: 886-3-3591991http://www.deltaww .com mechanical dimension: b d e a f c unit:mm/inch a = 3.8 / 0.150 max. b = 3.8 / 0.150 max. c = 1.8 / 0.071 max. d = 4.5 / 0.177 max. e = 2.4 / 0.094 f = 1.5 / 0.059 recommended pad pa tterns 1 .4 2 .5 5 .2 silm418 - 1r5 1.5 52 1.55 silm418 - 2r2 2.2 72 1.20 silm418 - 3r3 3.3 85 1.10 silm418 - 4r7 4.7 105 0.90 silm418 - 6r8 6.8 170 0.73 silm418 - 100 10.0 210 0.55 silm418 - 150 15.0 295 0.42 silm418 - 220 22.0 430 0.35 silm418 - 330 33.0 675 0.32 silm418 - 470 47.0 850 0.24 silm418 - 680 68.0 1360 0.22 silm418 - 101 100.0 1650 0.17
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