s c rh 1 2 4 500 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 129 click here for quantity per reel & packing information smd power inductors features 1. magnetically shielded construction 2 excellent power density 3 engineered to provide high efficiency characteristics part num b er inductance (uh) (1) test frequency dc resistance ( max ) (2) saturation current (a) tem per a ture c urrent (a) s crh124 - 3r9 3.9 100khz 15 m 6.5 6.0 s crh124 - 4r7 4.7 100khz 18 m 5.7 5.4 s crh124 - 6r8 6.8 100khz 23 m 4.9 4.8 s crh124 - 8r2 8.2 100khz 26 m 4.6 4.4 s crh124 - 100 10 100khz 28 m 4.5 4.1 s crh124 - 120 12 100 khz 38 m 4.0 3.9 s crh124 - 150 15 100khz 50 m 3.2 3.5 s crh124 - 180 18 100khz 57 m 3.1 3.1 s crh124 - 220 22 100khz 66 m 2.9 3.0 s crh124 - 270 27 100khz 80 m 2.8 2.7 s crh124 - 330 33 100khz 97 m 2.7 2.43 s crh124 - 390 39 100khz 132 m 2.1 2.07 s crh124 - 470 47 100khz 160 m 1.9 1.87 s crh124 - 560 56 100khz 190 m 1.8 1.77 s crh124 - 680 68 100khz 220 m 1.5 1.60 s crh124 - 820 82 100khz 260 m 1.3 1.44 s crh124 - 101 100 100khz 308 m 1.2 1.36 s crh124 - 121 120 100khz 380 m 1.1 1.23 s crh124 - 151 150 100khz 530 m 0.95 1.16 s crh124 - 181 180 100khz 620 m 0.85 1.05 s crh124 - 221 220 100khz 700 m 0.8 0 0.95 s crh124 - 271 270 100khz 870 m 0.6 0 0.86 s crh124 - 331 330 100khz 990 m 0.5 0 0.78 (1 ). inductance tolerance for 3.9 uh~ 8.2 uh: 30%, for 10uh~330 uh: 20%. tested at 0.25v , 0adc and 25 (2) . dcr measured at 25 . (3) . the dc current at which the inductance decreases by 25 % 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 bcrh124 i nduct ance decr ease by cur r ent i nduct ance( uh) 100000 dc cur r ent ( ma) 1 0. 1 10 331 470 3 r9 temper at ur e r i se bcrh124 temper at ur e r i se by cur r ent dc cur r ent ( ma) 80 50 70 40 60 30 20 10 4000 6000 1000 2000 3000 7000 5000 8000 0 9000 10000 331 470 3 r9 s crh124 inductance decrease by current inductance (h) dc current (ma) dc current (ma) temperature rise c s crh124 temperature rise by current custom v ersion s available upon request. ? 2011 signal transformer ? specification subject to change without notice. 07.11
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