s c h 53 500 bayview avenue, inwood, ny 11096 toll free 866 - 239- 5777 ? tel 516 -239- 5777 ? fax 516 - 239 - 7208 www.signaltransformer.com sales@signaltransformer.com ? techhelp@signaltransformer.com 6 2 click here for quantity per reel & packing information smd power inductors features 1. open frame construction 2 excellent power density 3 engineered to provide high efficiency electrical characteristics part num b er inductance (uh) (1) test frequency dc resistance ( max ) (2) satura tion current (a) tem per a ture c urrent (a) s ch53 - 2r2 2.2 7.96khz 66m 2.03 2.60 s ch53 - 3r3 3.3 7.96khz 88m 1.88 2.30 s ch53 - 4r7 4.7 7.96khz 96m 1.68 2.00 s ch53 - 100 10 1khz 0.16 1.23 1.50 s ch53 - 120 12 1khz 0.18 1.12 1.35 s ch53 - 150 15 1khz 0.25 1.00 1 .20 s ch53 - 180 18 1khz 0.28 0.88 1.10 s ch53 - 220 22 1khz 0.39 0.80 1.05 s ch53 - 270 27 1khz 0.42 0.72 0.90 s ch53 - 330 33 1khz 0.49 0.67 0.80 s ch53 - 390 39 1khz 0.55 0.64 0.76 s ch53 - 470 47 1khz 0.77 0.53 0.70 s ch53 - 560 56 1khz 0.87 0.50 0.58 s ch53 - 680 68 1khz 1.21 0.45 0.50 s ch53 - 820 82 1khz 1.34 0.39 0.47 s ch53 - 101 100 1khz 1.57 0.37 0.43 s ch53 - 121 120 1khz 1.80 0.34 0.42 s ch53 - 151 150 1khz 2.40 0.31 0.39 s ch53 - 181 180 1khz 2.66 0.30 0.33 s ch53 - 221 220 1khz 3.73 0.26 0.30 (1). inductance tole rance 20% tested at 0.25v, 0adc and 25 . (2). dcr measured at 25 . (3). the dc current at which the inductance decreases by 10% from its initial value. (4). the dc current that results in a 40 temperature rise from 25 ambient. (3) (4) xxx marking 10 100 1000 100 1000 10000 bch53 i nduct ance decr ease by cur r ent i nduct ance( uh) 100000 dc c u r r e n t ( ma) 1 0. 1 10 221 330 2 r2 temper at ur e r i se bch53 temper at ur e r i se by cur r ent dc c u r r e n t ( ma) 80 50 70 40 60 30 20 10 2000 3000 500 1000 1500 3500 2500 4000 0 4500 5000 221 330 2 r2 s ch53 inductance decrease by current dc current (ma) dc current (ma) temperature rise c s ch53 temperature rise by current inductance (h) custom v ersion s available upon request. ? 2011 signal transformer ? specification subject to change without notice. 07.11
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