ds126c2 inductance range: 1.7~680 h (unit: mm) (unit: mm) ? 12.8mm max. square and 6.8mm max. height. ? magnetically shielded construction and low dc resistance. ? suitable for large current. ? ideal for dc-dc converter inductor applications in hand held personal computer etc. ? rohs compliant. ? 12.8mm max. z?^ 6.8mm max. ? ?? z ? v
? ? g ?v 0 ? ??1?srw dc-dc ???;????? t7 & ? rohs |? 0 selection guide for standard coils type ds126c2 (quantity/reel; 500 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. inductance decrease current (3) (a) max. =10% temperature rise current (3) t=40 c (a) max. #b953as-1r7n 1.7 30 10 11.8 7.7 #b953as-2r7n 2.7 30 11 9.0 7.0 #b953as-3r9n 3.9 30 14 7.9 6.0 #b953as-5r6n 5.6 30 16 6.8 5.6 #b953as-7r5n 7.5 30 17 5.7 5.1 #b953as-100m 10.0 20 23 5.5 4.4 #b953as-120m 12.0 20 27 5.0 4.0 #b953as-150m 15.0 20 32 4.5 3.6 #b953as-180m 18.0 20 40 4.1 3.2 #b953as-220m 22.0 20 46 3.6 2.9 #b953as-270m 27.0 20 50 3.2 2.8 #b953as-330m 33.0 20 64 3.0 2.4 #b953as-390m 39.0 20 74 2.7 2.2 #b953as-470m 47.0 20 82 2.4 2.1 #b953as-560m 56.0 20 105 2.0 1.9 #b953as-680m 68.0 20 120 1.7 1.7 #b953as-820m 82.0 20 145 1.6 1.6 #b953as-101m 100.0 20 170 1.5 1.4 #b953as-121m 120.0 20 185 1.3 1.3 #b953as-151m 150.0 20 235 1.2 1.2 #b953as-181m 180.0 20 290 1.1 1.1 #b953as-221m 220.0 20 350 1.0 1.0 #b953as-271m 270.0 20 415 0.93 0.92 #b953as-331m 330.0 20 495 0.83 0.83 #b953as-391m 390.0 20 610 0.76 0.77 #b953as-471m 470.0 20 705 0.67 0.70 #b953as-561m 560.0 20 900 0.62 0.64 #b953as-681m 680.0 20 1120 0.55 0.58 (1) inductance is measured with a lcr meter 4284a (agilent technologies) 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 10% inductance reduction from the initial value, or coil temperature to rise by 40c whichever is smaller.(reference ambient temperature: 20c) (1) ??????x lcr y?? 4284a agilent technologies ?h x ? s
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:x 100khz pb{ (2) v
?x?????y?? tr6871(advantest) ?hx ? s
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