fdsd0412 inductance range: 0. 33 ~ 4 .7 ? h tolerance 0.3 (unit: mm) (unit: mm) : fdsd0412 : 1.2mm max features L ? 4.2 ? 4.2 mm max. square and 1.2 mm max. height. ? m agnetically shielded construction , low dc resistance. ? the use of magnetic iron powder ensure capability for large current. ? low audible core noise. ? ideal for dc - dc converter applications ? 4.2 ? 4.2 mm max. ? 2.0mm max. . ? ]??? ? ?????? ? ?Q ? dc - dc `?m standard part numbers ???E type fd sd0412 (quantity/reel; 4 ,000 pcs) ? (1) S? ?? (2) ??S (3) ??NS ( 4 ) part number inductance (1) ( ? h) tolerance (%) dc resistance (2) (m ? ) max. (typ.) inductance decre ase current (3) (a) max. (typ.) = 3 0% temperature rise current ( 4 ) ? t=40 ? c (a) max. (typ.) fdsd0412 - h - r33m=p3 0.33 ? 20 19 ( 16 ) 7.5 (1 0 ) 6.4 ( 7.5 ) fdsd0412 - h - r47m=p3 0.47 ? 20 23 ( 19 ) 6 . 5 ( 8.6 ) 6.0 ( 7.0 ) fdsd0412 - h - 1r0m=p 3 1.0 ? 20 44 ( 37 ) 4 . 7 ( 6 . 2 ) 4.3 ( 5.0 ) fdsd0412 - h - 1r2m=p3 1.2 ? 20 48 ( 40 ) 4 . 5 ( 6.0 ) 3.7 ( 4.3 ) fdsd0412 - h - 1r5m=p3 1.5 ? 20 64 ( 53 ) 4 . 1 ( 5 . 5 ) 3.3 (3. 8 ) fdsd0412 - h - 2r2m=p3 2.2 ? 20 84 ( 70 ) 3 . 5 ( 4 . 7 ) 2. 8 ( 3.3 ) fdsd0412 - h - 3r3m=p3 3.3 ? 20 122 (102) 2 . 8 ( 3 . 8 ) 2.2 (2. 6 ) fdsd0412 - h - 4r7m=p3 4.7 ? 20 161 ( 136 ) 2. 5 (3. 3 ) 1. 9 ( 2.2 ) (1) inductance is measured with a lcr meter 4284a (agilent technologies) or equivalent. test frequency at 100 k hz (2) dc resistance is measured with 34420a (agilent technologies) or 3 541(hioki). (reference ambient temperature 25c) (3) inductance decrease current based upon 3 0% inductance reduction from the initial value (4) temperature rise current based upon 40c temperature rise. (reference ambient temperature 25c) (5) absolute max imum voltage 3 0v dc . notice: please be sure that you carefully discuss your planned purchase with our sales division if you intend to use the product for business use etc. is severe. (1) ?? lcr ` 4284a agilent technologies ????y? y? 100 k h z (2) ???y 34420a agilent technologies ? 3541 hioki ???y??? 25c (3) ??S??r?? ? 30 % p?? (4) ??NS?? 40c ?N? ?? 25c ??? (5) ~?R 3 0v dc ??I?????????? ?????I???? ? l l metal alloy inductors ??? ? recommended patterns ?X?`
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