(1/1) 001-02 / 20080701 / e531_vlcf4024_2.fm ? all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) vlcf series vlcf4024-2 features miniature size mount area: 4 4mm height: 2.4mm max. generic use for portable dc to dc converter line high magnetic shield construction should actualize high resolu- tion for emc protection. available for automatic mounting in tape and real package. the products do not contain lead and support lead-free solder- ing. applications dc to dc converters for dvc, dsc, pda, md, lcd displays, hdds, celluar phones, etc. shapes and dimensions recommended pc board pattern electrical characteristics ? rated current: value obtained when current flows and the temperature has risen to 40c or when dc current flows and the nominal value of inductance has fallen by 30%, whichever is smaller. operating temperature range: ?40 to +105c (including self-temperature rise) conformity to rohs directive 4.0 0.1 4.0 0.1 2.4max. dimensions in mm 4r7 2.5 45? 3.9 1.6 1.6 1.3 4.5 dimensions in mm part no. inductance (h) inductance tolerance test frequency (khz) dc resistance( ? ) rated current(a) ? max. typ. based on inductance change max. based on temperature rise typ. vlcf4024t-1r2n2r4-2 1.2 30% 100 0.032 0.027 2.46 3.09 vlcf4024t-1r6n2r1-2 1.6 30% 100 0.039 0.035 2.10 2.61 vlcf4024t-2r2n1r7-2 2.2 30% 100 0.043 0.039 1.76 2.43 vlcf4024t-3r3n1r7-2 3.3 30% 100 0.068 0.061 1.60 1.96 vlcf4024t-4r7n1r4-2 4.7 30% 100 0.087 0.075 1.43 1.76 vlcf4024t-6r8n1r1-2 6.8 30% 100 0.116 0.101 1.15 1.54 vlcf4024t-100mr90-2 10 20% 100 0.136 0.119 0.90 1.37 vlcf4024t-150mr80-2 15 20% 100 0.198 0.172 0.80 1.05 vlcf4024t-220mr65-2 22 20% 100 0.332 0.28 0.65 0.90 vlcf4024t-330mr55-2 33 20% 100 0.438 0.38 0.55 0.74 VLCF4024T-470MR44-2 47 20% 100 0.644 0.56 0.44 0.64 vlcf4024t-101mr30-2 100 20% 100 1.21 1.05 0.30 0.48 conformity to rohs directive: this means that, in conformity with eu directive 2002/95/ec, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, pbb and pbde, have not been used, except for exempted applications.
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