FDSD0420 inductance range: 0.33 ~ 10 ? h tolerance 0.3 (unit: mm) (unit: mm) : FDSD0420 2.0mm max. features L ? 4.2 ? 4.2 mm max. square and 1.2 mm max. height. ? magnetically 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 sd0420 (quantity/reel; 2 ,000 pcs) ? (1) S? ?? (2) ??S (3) ??NS ( 4 ) part number inductance (1) ( ? h) tolerance (% ) dc resistance (2) (m ? ) max. (typ.) inductance decrease current (3) (a) max. (typ.) = 3 0% temperature rise current ( 4 ) ? t=40 ? c (a) max. (typ.) FDSD0420 - h - r33m=p3 0.33 ? 20 14 (12) 11 (15) 7.7 (9.1) FDSD0420 - h - r47m=p3 0.47 ? 20 18 (15) 9.4 (12) 6.8 ( 8.0 ) FDSD0420 - h - r68m=p3 0.68 ? 20 22 (18) 8.3 (11) 6.5 ( 7.6 ) FDSD0420 - h - 1r0m=p3 1.0 ? 20 29 (24) 6.8 (9.0) 5 .1 ( 6.0 ) FDSD0420 - h - 1r5m=p3 1.5 ? 20 36 (30) 5.7 (7.7) 4.3 ( 5.1 ) FDSD0420 - h - 2r2m=p3 2.2 ? 20 47 (39) 4.1 (5.5) 3. 6 ( 4.2 ) FDSD0420 - h - 3r3m=p3 3.3 ? 20 71 (59) 3.7 (4.9) 2. 9 ( 3.4 ) FDSD0420 - h - 4r7m=p3 4.7 ? 20 83 (69) 3.6 (4.6) 2. 7 ( 3.2 ) FDSD0420 - h - 6r8m=p3 6.8 ? 20 150 (125) 2.7 (3.6) 1.9 (2.2) FDSD0420 - h - 100m=p3 10 ? 20 200 (165) 2.5 (3.3) 1.7 (2.0) (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 3541(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 maximum 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 hz (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 recommended patterns ?X?` metal alloy inductors ??? ?
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