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| Datasheet File OCR Text: |
| d fe2520 08 c inductance range: 0.47 ~ 4.7 ? h (unit: mm) (unit: mm) features L ? ? ? ? ? ? ? ?? ?? ? ?????? ? ?????? ? ]??Q ? ?? ? ??? standard part numbers ???E type dfe2520 08 c (quantity/reel; 3,000 pcs) ? (1) S? y? ?? (2) ??S (3) ??NS ( 4 ) part number inductance (1) ( ? h) tolerance (%) test frequency ( m hz) dc resistance (2) (m ? ) max. (typ.) inductance decrease c urrent (3) (a) max. (typ.) = 30 % temperature rise current ( 4 ) ? t=40 ? c (a) max. (typ.) dfe252008c - r47m=p2 0.47 ? 20 1 60 ( 46 ) 3.0 ( 3.7 ) 2.0 ( 2.4 ) dfe252008c - 1r0m=p2 1.0 ? 20 1 84 ( 70 ) 2.3 ( 2.9 ) 1.4 ( 1.7 ) dfe252008c - 1r5m=p2 1.5 ? 20 1 126 ( 105 ) 2.0 ( 2.5 ) 1 .2 ( 1.4 ) dfe252008c - 2r2m=p2 2.2 ? 20 1 180 ( 150 ) 1.6 ( 2.0 ) 0.95 ( 1.1 ) dfe252008c - 3r3m=p2 3.3 ? 20 1 252 ( 210 ) 1.3 ( 1.7 ) 0.85 ( 1.0 ) dfe252008c - 4r7m=p2 4.7 ? 20 1 438 ( 365 ) 1.1 ( 1.4 ) 0.65 ( 0.75 ) (1) inductance is measured with a lcr meter 4284a ( agilent t echnologies ) or equivalent. test frequency at 1 m hz (2) dc resistance is measured with 34420a (agilent technologies) or 3541(hioki). (reference ambient temperature 20c) (3) inductance decrease current based upon 30 % inductance reduction from the initial va lue (4) temperature rise current based upon 40c temperature rise. (reference ambient temperature 2 0 c) (1) ?? lcr ` 4284a ( agilent technologies ) ? ???y?y? 1 m hz (2) ???y 34420a agilent technologies ? 3541 hioki ???y??? 2 0 c (3) ??S??r?? ? 30 % p?? (4) ??NS?? 40c ?N? ?? 2 0 c ??? recommended patterns ?X?` metal alloy inductors ??? ? ? l l
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