DFE252012P inductance range: 0.33~4.7 ? h (unit: mm) (unit: mm) features L ? miniature size: 2520 footprint (2.5mm2.0mm) and low profile(1.2mm max. height) ? the use of magnetic iron powder ensure capability fo r large current. ? the use of flat wire for low dc resistance. ? optimization of electrode fo r more low dc resistance. ? magnetically shielded, low audible core noise. ? reflow solderable. ? operating temperature : -40 +125c ? halogen free, rohs compliant. ? ?? (2.5 2.0 ?? 1.2mm max.) ? ?????? ? ?????? ? ?Om????? ? ]??Q ? ?? ? ??? -40 +125c ? ???` rohs ? toko standard part numbers | ???E type DFE252012P (quantity/reel; 3,000 pcs) |? S? y? ?? S toko part number inductance l( ? h) tolerance (%) test frequency (mhz) dc resistance (m ? ) max. (typ.) rated dc current (a) max. (typ.) l/l=30% t=40 ? c DFE252012P-r33m 0.33 ? 20 1 23 (17) 6.6 (7.3) 4.6 (5.4) DFE252012P-r47m 0.47 ? 20 1 27 (21) 5.7 (6.4) 4.0 (4.7) DFE252012P-r68m 0.68 ? 20 1 37 (30) 4.8 (5.3) 3.5 (4.1) DFE252012P-1r0m 1.0 ? 20 1 42 (35) 4.3 (4.8) 3.2 (3.8) DFE252012P-1r5m 1.5 ? 20 1 60 (50) 3.5 (3.9) 2.6 (3.0) DFE252012P-2r2m 2.2 ? 20 1 84 (70) 3.0 (3.4) 2.2 (2.6) DFE252012P-3r3m 3.3 ? 20 1 140 (115) 2.3 (2.6) 1.7 (2.0) DFE252012P-4r7m 4.7 ? 20 1 200 (165) 2.0 (2.2) 1.4 (1.7) (1) inductance is measured with a lcr meter 4284a ( agilent technologies ) or equivalent. test frequency at 1mhz (2) dc resistance is measured with 34420a (agilent technologies) or 3541(hioki). (reference ambient temperature 20c) (3) maximum allowable dc current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40 ? c whichever is smaller. (reference ambient temperature 20c) (1) ?? lcr ` 4284a ( agilent technologies ) ? ???y?y? 1mhz (2) ???y 34420a agilent technologies ? 3541 hioki ???y??? 20c (3) S???r??? ? 30 p?????? ?? 40c ?N?? ?? 20c ??? recommended patterns ?X?` metal alloy inductors ??? ? extra low dcr type ??
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