inductor page <1> 15/03/11 v1.1 www.element14.com www.farnell.com www.newark.com features: ? ? ferrite based smd inductor with lower core loss. ? inductance range: 1 h to 1,000 h. custom values are welcome. ? high current output chokes, up to 8 amperes with about 30% roll off. ? low profile 3.55 mm maximum height. ? foot print 7.6 7.6 mm maximum. ? ideal for lcd driver, dsc/dvc, notebook pc or high density board design. ? operating temperature range -55c to + 130c. ? t and r quantity: 1,350 pieces, 13 inches reel. dimensions : millimetres mechanical dimensions typ. mcsdrh73b a 7.3 0.3 mm - b 7.3 0.3 mm - c 3.55 mm (max.) d 7 0.3 mm - e 3.9 mm (ref.) f 2 mm ocl (h) 20% dcr ( ? ? ) (typ.) dcr ( ? ? ) (max.) i sat (a) at 25c l at i sat (h) (typ.) i rms (a) at 25c l at i rms (h) (typ.) 1 0.0091 0.0109 8 0.785 6.5 0.89 1.5 0.0125 0.015 6.52 1.186 5.54 1.325 2.2 0.018 0.0216 5.52 1.7 4.6 1.95 3.3 0.023 0.0276 4.4 2.69 4.08 2.84 4.7 0.0297 0.0356 3.78 3.63 3.65 3.8 6.8 0.0415 0.0498 3.12 5.53 3.04 5.66 8.2 0.0525 0.063 2.8 6.5 2.7 6.7 10 0.0656 0.0787 2.5 8.16 2.35 8.48 15 0.08 0.096 2.05 10.3 2.12 9.65 22 0.108 0.13 1.67 15.25 1.83 13.9 33 0.166 0.199 1.35 24.75 1.48 19.75 47 0.231 0.277 1.14 33.2 1.25 27.9 68 0.331 0.397 0.96 48 1.04 41.33 82 0.41 0.492 0.89 55.05 0.94 49.3 100 0.491 0.589 0.79 71 0.86 60.33 150 0.751 0.901 0.65 100.8 0.69 88.9 220 1.05 1.26 0.53 156.3 0.59 126 electrical characteristics of mcsdrh73b series top view bottom view side view suggest pcb layout
inductor page <2> 15/03/11 v1.1 www.element14.com www.farnell.com www.newark.com ocl (h) 20% dcr ( ? ? ) (typ.) dcr ( ? ? ) (max.) i sat (a) at 25c l at i sat (h) (typ.) i rms (a) at 25c l at i rms (h) (typ.) 330 1.59 1.908 0.44 252.7 0.48 219.9 470 2.17 2.604 0.37 320.2 0.41 263.7 680 3.12 3.744 0.31 542.1 0.34 467.3 820 4.01 4.812 0.28 591.3 0.3 515.5 1,000 5.06 6.072 0.25 679.9 0.27 578.4 electrical characteristics of mcsdrh73b series note : 1. ocl (open circuit inductance) and l at i rms and l at i sat and dcr are measured at: 100 khz,0.25 v at 25oc. 2. i sat : dc current that causes inductance to drop by approximately 30% from ocl ; (t a = 25oc). 3. i rms : dc current that causes an approximate temperature rise ( ? t) of 40c ; (t a = 25oc). inductance vs. current
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