document number: 34044 for tec hnical questions, contact: magnetics@vishay.com www.vishay.com revision: 23-feb-11 1 wirewound, surface mount, molded inductors imc-1812 vishay dale note (1) rated dc current based on the maximum temperature rise, not to exceed 40 c at + 85 c ambient features ? molded construction provides superior strength and moisture resistance ? tape and reel packaging for automatic handling, 2000/reel, eia-481 ? printed marking ? compatible with vapor ph ase and infrared reflow soldering ? compliant to rohs directive 2002/95/ec 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 operating temperature: - 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 note (2) recommended minimum spac ing between components standard electrical specifications ind. (h) tol. test freq. (mhz) q min. srf min. (mhz) dcr max. ( ? ) rated dc current (ma) (1) l & q 0.010 20 % 50.0 50 1000 0.20 450 0.012 20 % 50.0 50 1000 0.20 450 0.018 20 % 50.0 50 1000 0.20 450 0.022 20 % 50.0 50 1000 0.20 450 0.027 20 % 50.0 50 1000 0.20 450 0.033 20 % 50.0 50 1000 0.30 450 0.039 20 % 50.0 50 1000 0.30 450 0.047 20 % 50.0 50 1000 0.30 450 0.056 20 % 50.0 40 900 0.35 450 0.068 20 % 50.0 40 800 0.35 450 0.082 20 % 50.0 40 700 0.40 450 0.10 20 % 25.2 30 650 0.32 450 0.12 20 % 25.2 30 600 0.30 450 0.15 20 % 25.2 30 500 0.30 450 0.18 20 % 25.2 30 400 0.35 450 0.22 20 % 25.2 30 350 0.40 450 0.27 20 % 25.2 30 300 0.45 450 0.33 20 % 25.2 30 250 0.55 430 0.39 20 % 25.2 30 220 0.70 380 0.47 10 % 25.2 30 190 0.80 355 0.56 10 % 25.2 30 170 1.20 285 0.68 10 % 25.2 30 150 1.40 270 0.82 10 % 25.2 30 140 1.60 250 1.0 10 % 7.96 50 100 0.50 450 1.2 10 % 7.96 50 80.0 0.55 430 1.5 10 % 7.96 50 70.0 0.60 410 1.8 10 % 7.96 50 60.0 0.65 390 2.2 10 % 7.96 50 55.0 0.70 380 2.7 10 % 7.96 50 50.0 0.75 370 3.3 10 % 7.96 50 45.0 0.80 355 3.9 10 % 7.96 50 40.0 0.90 330 4.7 10 % 7.96 50 35.0 1.00 315 5.6 10 % 7.96 50 33.0 1.10 300 6.8 10 % 7.96 50 27.0 1.20 285 8.2 10 % 7.96 50 25.0 1.40 270 10.0 10 % 2.52 50 20.0 1.60 250 12.0 10 % 2.52 50 18.0 2.00 225 15.0 10 % 2.52 50 17.0 2.50 200 18.0 10 % 2.52 50 15.0 2.80 190 22.0 10 % 2.52 50 13.0 3.20 180 27.0 10 % 2.52 50 12.0 3.60 170 33.0 10 % 2.52 50 11.0 4.00 160 39.0 10 % 2.52 50 11.0 4.50 150 47.0 10 % 2.52 50 10.0 5.00 140 56.0 10 % 2.52 50 9.0 5.50 135 68.0 10 % 2.52 50 9.0 6.00 130 82.0 10 % 2.52 50 8.0 7.00 120 100.0 10 % 0.79 40 8.0 8.00 110 120.0 10 % 0.79 40 6.0 8.00 110 150.0 10 % 0.79 40 5.0 9.00 105 180.0 10 % 0.79 40 5.0 9.50 102 220.0 10 % 0.79 40 4.0 10.0 100 270.0 10 % 0.79 40 4.0 12.0 92 330.0 10 % 0.79 40 3.5 14.0 85 390.0 10 % 0.79 40 3.0 16.0 80 470.0 10 % 0.79 40 3.0 26.0 62 560.0 10 % 0.79 30 3.0 30.0 50 680.0 10 % 0.79 30 3.0 30.0 50 820.0 10 % 0.79 30 2.5 35.0 30 1000.0 10 % 0.25 30 2.5 40.0 30 dimensions in inches [millimeters] part marking - vishay dale - inductance value - date code guidelines for parallel component printed circuit mounting pads on imc-1812 chip inductors 0.037 0.008 [0.940 0.203] 0.126 0.008 [3.200 0.203] 0.050 + 0.004 - 0.008 typ. [1.270 ] + 0.102 - 0.203 0.024 (1) [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] 0.124 [3.15] ref. 0.126 0.008 [3.200 0.203] 0.177 0.008 [4.500 0.203] 0.030 0.004 [0.762 0.102] typ. 0.006 [0.152] ref. typ.
www.vishay.com for technical questions, contact: magnetics@vishay.com document number: 34044 2 revision: 23-feb-11 imc-1812 vishay dale wirewound, surface mount , molded inductors description imc-1812 10 h 10 % er e3 model inductance value inductance tolerance package code jedec lead (pb)-free standard global part number imc 1812 er 100 k product family size package code inductance value tol.
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