s c 73 500 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 34 click here for quantity per reel & packing information smd power inductors features 1. open frame construction. electrical 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 c73 - 100 1 0 2.52mhz 80m 1.44 2.40 s c73 - 120 12 2.52mhz 90m 1.39 2.20 s c73 - 150 15 2.52mhz 100m 1.24 2.00 s c73 - 180 18 2.52mhz 110m 1.12 1.80 s c73 - 220 22 2.52mhz 130m 1.07 1.65 s c73 - 270 27 2.52mhz 150m 0.94 1.50 s c73 - 330 33 2.52mhz 170m 0.85 1.40 s c73 - 390 39 2.52 mhz 220m 0.74 1.30 s c73 - 470 47 2.52mhz 250m 0.68 1.22 s c73 - 560 56 2.52mhz 280m 0.64 1.13 s c73 - 680 68 2.52mhz 330m 0.59 1.05 s c73 - 820 82 2.52mhz 410m 0.54 0.96 s c73 - 101 100 1khz 480m 0.51 0.88 s c73 - 121 120 1khz 540m 0.49 0.80 s c73 - 151 150 1khz 750m 0.40 0.72 s c73 - 181 180 1khz 1.02 0.36 0.62 s c73 - 221 220 1khz 1.20 0.31 0.54 s c73 - 271 270 1khz 1.31 0.29 0.48 s c73 - 331 330 1khz 1.50 0.28 0.44 ( 1). inductance tolerance 20% tested at 0.25v , 0adc and 25 . (2) . d cr measured at 25 . (3). th e dc current at which the inductance decreases by 10% from its initial value. (4). t he dc c urrent th at results in a 40 temperature rise from 25 ambient . (3) (4) xxx marking 7. 5 3. 1 8. 0 1. 8 0. 1 1 10 100 1000 100 1000 10000 10 bc73 i nduct ance decr ease by cur r ent i nduct ance( uh) 100000 dc cur r ent ( ma) 331 560 100 dc current (ma) dc current (ma) sc 73 temperature rise by current temperature rise c sc 73 inductance decrease 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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