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| dfe252012c inductance range: 1.0~10 ? h (unit: mm) (unit: mm) features L ? miniature size: 2520 footprint (2.5mm2.0mm) and low profile(1.2mm max.height) ? magnetically shielded. ? reflow solderable. ? operating temperature : -40 +85 ? rohs compliant. ? halogen free. ? ?? (2.5 2.0 ?? 1.2mm max.) ? ] ? ?? ? ??? -40 +85 ? rohs ? ? ???` toko standard part numbers | ???E type dfe252012c |? S? y? ?? S rated dc current (a) max. (typ.) toko part number inductance l( ? h) tolerance (%) test frequency (mhz) dc resistance (m ? ) max. (typ.) l/l=30% t=40[ ] 1239as-h-1r0n=p2 1.0 ? 30 1 59 (45) 3.0(3.8) 3.0(3.5) 1239as-h-1r5n=p2 1.5 ? 30 1 72 (60) 2.6(3.3) 2.4(2.8) 1239as-h-2r2n=p2 2.2 ? 30 1 108 (90) 2.2(2.7) 2.0(2.3) 1239as-h-3r3n=p2 3.3 ? 30 1 144 (120) 1.8(2.3) 1.5(1.7) 1239as-h-4r7n=p2 4.7 ? 30 1 240 (200) 1.5(1.9) 1.3(1.5) 1239as-h-6r0n=p2 6.0 ? 30 1 275 (240) 1.4(1.7) 1.1(1.3) 1239as-h-100n=p2 10.0 ? 30 1 460 (400) 1.0(1.3) 0.85(1.0) (1) inductance is measured with a lcr meter 4284a * or equivalent. test frequency at 1mhz (2) dc resistance is measured with a digital multimeter tr6871 (advantest) or equivalent. (3) maximum allowable dc current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40 whichever is smaller. (reference ambient temperature 20 ) * agilent technologies (1) ?? lcr ` 4284a * ????y ?y? 1mhz (2) ?????` tr6871(advantest) ?? ??y (3) S???r??? ? 30 p?????? ?? 40 ?N?? ?? 20 ??? * agilent technologies recommended patterns ?X?` fixed inductors for surface mounting g??
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