dp418c / dp420c inductance range: 4.3~33 h (dp418c), 10~47 h (dp420c)
? ? (unit: mm) (unit: mm) * dp418c: 1.8mm max. height dp420c: 2.0mm max. height ? lowprofile (4.2mm max. square, 1.8 and 2.0mm max. height). ? magnetically shielded construction and low dc resistance. ? ideal for a variety of dc-dc converter inductor applications. (dvc, dsc, cellular phone, pda) ? rohs compliant. ? ?
,? (4.2mm max. ?^ 1.8 s?| 2.0mm max.) ? ?? j ? v
? ? ;+w dc-dc ???;?????t7 & (dvc, dsc, cellular phone, pda) ? rohs |? 0 selection guide for standard coils t ype dp418c (magnetically shielded) ??? ?????? e (quantity/reel; 2,000 pcs) f?
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? (2) v o t?0 ?v (3) 9 s ?0 ?v (3) toko part number inductance (1) ( h) tolerance (%) dc resistance (2) (m ) max. (typ.) inductance decrease current (3) (a) max. (typ.) =30% temperature rise current (3) t=40 c (a) max. (typ.) s1024as-4r3m 4.3 20 57 (47) 1.05 (1.40) 2.00 (2.50) S1024AS-100M 10.0 20 120 (100) 0.70 (0.92) 1.20 (1.50) s1024as-330m 33.0 20 435 (360) 0.39 (0.52) 0.62 (0.78) type dp420c (magnetically shielded) ??? ?????? e (quantity/reel; 2,000 pcs) f?
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? (2) v o t?0 ?v (3) 9 s ?0 ?v (3) toko part number inductance (1) ( h) tolerance (%) dc resistance (2) (m ) max. (typ.) inductance decrease current (3) (a) max. (typ.) =30% temperature rise current (3) t=40 c (a) max. (typ.) s1023as-4r7m 4.7 20 56 (47) 1.10 (1.45) 2.20 (2.60) s1023as-6r8m 6.8 20 75 (62) 0.90 (1.20) 1.80 (2.10) s1023as-100m 10.0 20 92 (76) 0.68 (0.91) 1.70 (2.11) s1023as-150m 15.0 20 150 (125) 0.54 (0.72) 1.20 (1.54) s1023as-470m 47.0 20 480 (400) 0.31 (0.41) 0.64 (0.80) (1) inductance is measured with a lcr meter 4284a * or equivalent. test frequency at 100khz (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, or coil temperature to rise by 40c, whichever is smaller. (reference ambient temperature 20c) * agilent technologies (1) ??????x lcr y?? 4284a * ?hx ? s
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?t?? b?{ (3) 7 g?0 ?vxj v o t ?v?v`h??????w ?u s8 ??? 30 ?n ?b? v ?v ?z?hx v ?vt??z ??w9 su 40 ? w??t ?^m ?pb{ ( *?9 s 20 ??, jqb?{ * agilent technologies l l l l recommended patterns
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