s c rh 8 d 2 8 500 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 11 7 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 electrical characteristics part num b er inductance (uh) (1) test frequency dc resistance ( ma x ) (2) saturation current (a) tem per a ture c urrent (a) s crh8d28 - 2r5 2.5 100khz 15.6m 4.50 6.40 s crh8d28 - 3r3 3.3 100khz 18.2m 4.00 4.80 s crh8d28 - 4r7 4.7 100khz 24.7m 3.40 4.32 s crh8d28 - 7r3 7.3 100khz 39m 2.80 3.60 s crh8d28 - 100 10 100khz 47m 2.30 3 .25 s crh8d28 - 150 15 100khz 69m 1.90 2.80 s crh8d28 - 220 22 100khz 99m 1.60 1.85 s crh8d28 - 330 33 100khz 156m 1.30 1.66 s crh8d28 - 470 47 100khz 195m 1.15 1.30 s crh8d28 - 680 68 100khz 286m 0.95 1.17 s crh8d28 - 101 100 100khz 430m 0.75 1.05 (1 ). inductance tolerance 3 0% tested at 0.25v , 0adc and 25 (2) . dcr measured at 25 . (3) . the dc current at which the inductance decreases by 35% from its initial value . (4) . the dc current that r esults in a 40 temperature rise from 25 ambient . (3) (4) xxx marking 10 100 1000 10 100 1000 bcrh8d28 i nduct ance decr ease by cur r ent i nduct ance( uh) 10000 dc c u r r e n t ( ma) 1 0. 1 100000 101 150 2 r5 temper at ur e r i se bcrh8d28 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 101 150 2 r5 s crh8d28 inductance decrease by current inductance (h) dc current (ma) dc current (ma) temperature rise c s crh8d28 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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