surface mount, molded inductor www.vishay.com for technical question s, contact: magnetics@vishay.com document number: 34044 110 revision: 22-may-07 imc-1812 vishay dale *rated dc current based on the maximum temperature rise, not to exceed 40 c at + 85 c ambient. features ? molded construction prov ides superior strength and moisture resistance ? tape and reel packaging for automatic handling, 2000/reel, eia 481 ? printed marking ? compatible with vapor phase and infrared reflow soldering ? 100 % lead (pb)-free and rohs compliant electrical specifications inductance range: 0.010 h to 1000 h inductance tolerance: 20 % for 0.010 h to 0.39 h 10 % for 0.47 h to 1000 h standard 10 %, 5 %, 3 % available temperature range: - 55 c to + 125 c coilform material: non-magnetic for 0.010 h to 0.82 h powdered iron for 1.0 h to 120 h. ferrite for 150 h to 1000 h test equipment ? h/p 4342a q meter with vishay dale test fixture or equivalent ? h/p 4191a rf impedance analyzer (for srf measurements) ? wheatstone bridge * recommended minimum spacing between components standard electrical specifications ind. (h) tol. q min. test freq. l & q (mhz) self- resonant freq. min. (mhz) dcr max. (ohms) rated* dc current (ma) 0.010 0.012 0.018 0.022 0.027 0.033 0.039 0.047 0.056 0.068 0.082 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 50 50 50 50 50 50 50 50 40 40 40 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 1000 1000 1000 1000 1000 1000 1000 1000 900 800 700 0.20 0.20 0.20 0.20 0.20 0.30 0.30 0.30 0.35 0.35 0.40 450 450 450 450 450 450 450 450 450 450 450 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 10 % 10 % 10 % 10 % 30 30 30 30 30 30 30 30 30 30 30 30 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 650 600 500 400 350 300 250 220 190 170 150 140 0.32 0.30 0.30 0.35 0.40 0.45 0.55 0.70 0.80 1.20 1.40 1.60 450 450 450 450 450 450 430 380 355 285 270 250 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 50 50 50 50 50 50 50 50 50 50 50 50 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 100 80.0 70.0 60.0 55.0 50.0 45.0 40.0 35.0 33.0 27.0 25.0 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.90 1.00 1.10 1.20 1.40 450 430 410 390 380 370 355 330 315 300 285 270 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 50 50 50 50 50 50 50 50 50 50 50 50 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 20.0 18.0 17.0 15.0 13.0 12.0 11.0 11.0 10.0 9.0 9.0 8.0 1.60 2.00 2.50 2.80 3.20 3.60 4.00 4.50 5.00 5.50 6.00 7.00 250 225 200 190 180 170 160 150 140 135 130 120 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 40 40 40 40 40 40 40 40 40 30 30 30 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 8.0 6.0 5.0 5.0 4.0 4.0 3.5 3.0 3.0 3.0 3.0 2.5 8.00 8.00 9.00 9.50 10.0 12.0 14.0 16.0 26.0 30.0 30.0 35.0 110 110 105 102 100 92 85 80 62 50 50 30 1000.0 10 % 30 0.25 2.5 40.0 30 dimensions in inches [millimeters] part marking - vishay dale - inductance value - date code rohs c o m p l i an t 0.177 0.008 [4.50 0.203] 0.124 [3.15] ref. guidelines for parallel component printed circuit mounting pads on imc-1812 chip inductors 0.126 0.008 [3.20 0.203] 0.030 0 0.004 [0.762 0.102] typ. 0.006 [0.152] ref. typ. 0.126 0.008 [3.20 0.203] 0.037 0.008 [.940 0.203] 0.050 + 0.004 - 0.008 [1.27 + 0.102 - 0.203] typ. 0.024* [0.6] 0.059 [1.5] 0.059 [1.5] 0.118 [3.0] 0.158 [4.0] 0.158 [4.0] 0.181 [4.6]
imc-1812 surface mount, molded inductor vishay dale document number: 34044 for technical questions, contact: magnetics@vishay.com www.vishay.com revision: 22-may-07 111 description imc-1 8 12 10 h 10 % er e3 model i n ducta n ce v alue i n ducta n ce tolera n ce package code jedec lead (p b )-free sta n dard product family size i n ducta n ce v alue package code tol. global part number imc 1 8 12 er 10 0 k
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