(1/1) 001-01 / 20070911 / e531_vlm10555_1.fm ? all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) vlm series vlm10555-1 features low loss and large current capability design. high magnetic shield construction should actualize high resolu- tion for emc protection. available for automatic mounting in tape and real package. applications note book type and mobile computers, amusement equipments, dvd players, vrms, plasma displays, 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. typical electrical characteristics inductance change vs. dc superposition characteristics temperature rise characteristics 1r8m 10.6 0.2 10.5max. 5.4 0.2 dimensions in mm 3.9 2.7 11.5 1.8 3.7 8.7 dimensions in mm part no. inductance (h) inductance tolerance (%) test frequency (khz) dc resistance (m ? ) rated current(a) ? based on inductance change max.(typ.) based on temperature rise typ. [15%] typ. [at 25c] [at 100c] VLM10555T-1R8M8R8-1 1.8 20 100 5.6 5.6 18(20) 14(16) 8.8 vlm10555t-2r5m8r0-1 2.5 20 100 6.7 6.7 15(17) 12(14) 8 vlm10555t-3r3m7r2-1 3.3 20 100 8.3 8.3 12(14) 10(12) 7.2 vlm10555t-4r3m7r2-1 4.3 20 100 8.3 8.3 9(11) 7(9) 7.2 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 5 10 15 20 25 dc current ( a ) 1.8 h [ at 25?c ] 2.5 h [ at 25?c ] 3.3 h [ at 25?c ] 4.3 h [ at 25?c ] 1.8 h [ at 100?c ] 2.5 h [ at 100?c ] 3.3 h [ at 100?c ] 4.3 h [ at 100?c ] inductance ( h ) 0 5 10 15 20 25 30 35 40 45 50 55 60 024681012 self-temperature rise ( ?c ) dc current ( a ) 1.8 h 2.5 h 3.3 h/4.3 h
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