document number: 34061 for technical questions, contact: magnetics@vishay.com www.vishay.com revision: 01-jul-09 1 wirewound, surface mount, molded, shielded inductors isc-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 prov ides superior strength and moisture resistance ? tape and reel packaging for automatic handling, 2000/reel, eia-481 ? compatible with vapor phase and infrared reflow soldering ? shielded construction minimizes coupling to other components ? compliant to rohs directive 2002/95/ec electrical specifications inductance range: 0.10 h to 1000 h inductance tolerance: 20 % for 0.10 h to 0.82 h 10 % for 1.0 h to 1000 h standard 10 %, 5 %, 3 % available operating temperature: - 55 c to + 125 c coilform material: non-magnetic for 0.10 h to 0.82 h powdered iron for 1.0 h to 22 h ferrite for 27 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 (1) recommended minimum spacing between components standard electric al specifications ind. ( h) tol. test freq. (mhz) q min. srf min. (mhz) dcr max. ( ) rated dc current (1) (ma) l & q 0.1 20 % 25.2 30 460 0.23 552 0.1 20 % 25.2 30 400 0.26 519 0.2 20 % 25.2 30 390 0.29 491 0.2 20 % 25.2 30 350 0.32 468 0.2 20 % 25.2 30 310 0.36 441 0.3 20 % 25.2 30 280 0.40 418 0.3 20 % 25.2 30 240 0.45 394 0.4 20 % 25.2 30 215 0.60 342 0.5 20 % 25.2 30 205 0.75 306 0.6 20 % 25.2 30 195 0.80 296 0.7 20 % 25.2 30 165 0.95 271 0.8 20 % 25.2 30 155 1.20 242 1.0 10 % 7.96 30 140 0.35 447 1.2 10 % 7.96 30 120 0.38 429 1.5 10 % 7.96 30 100 0.40 418 1.8 10 % 7.96 30 90.0 0.43 403 2.2 10 % 7.96 30 80.0 0.46 390 2.7 10 % 7.96 30 67.0 0.49 378 3.3 10 % 7.96 30 61.0 0.55 357 3.9 10 % 7.96 30 56.0 0.59 344 4.7 10 % 7.96 30 50.0 0.62 336 5.6 10 % 7.96 30 40.0 0.69 333 6.8 10 % 7.96 30 32.0 0.75 306 8.2 10 % 7.96 30 30.0 0.82 292 10.0 10 % 2.52 50 25.0 0.90 279 12.0 10 % 2.52 50 22.0 1.00 265 15.0 10 % 2.52 50 18.0 1.10 252 18.0 10 % 2.52 50 15.0 1.24 238 22.0 10 % 2.52 50 14.0 1.36 227 27.0 10 % 2.52 50 13.0 1.56 212 33.0 10 % 2.52 50 12.0 1.72 202 39.0 10 % 2.52 50 11.0 1.89 192 47.0 10 % 2.52 50 9.0 2.10 183 56.0 10 % 2.52 50 8.0 2.34 173 68.0 10 % 2.52 50 7.6 2.60 164 82.0 10 % 2.52 50 7.2 2.86 156 100.0 10 % 0.796 50 7.0 3.25 147 120.0 10 % 0.796 50 6.0 3.64 139 150.0 10 % 0.796 50 5.0 4.16 130 180.0 10 % 0.796 40 4.5 5.72 111 220.0 10 % 0.796 40 4.2 6.30 105 270.0 10 % 0.796 40 4.0 6.90 101 330.0 10 % 0.796 40 3.7 7.54 96 390.0 10 % 0.796 40 3.5 8.20 92 470.0 10 % 0.796 40 3.3 9.20 87 560.0 10 % 0.796 40 2.8 10.50 82 680.0 10 % 0.796 40 2.6 12.00 76 820.0 10 % 0.796 40 2.2 13.50 72 1000.0 10 % 0.252 40 2.0 16.00 66 dimensions in inches [millimeters] part marking - vishay dale - inductance value - date code guidelines for parallel component printed circuit mountin g pads on isc-1 8 12 chip inductors 0.037 0.00 8 [0.940 0.203] 0.126 0.00 8 [3.200 0.203] 0.050 + 0.004 - 0.00 8 typ. [1.270 ] + 0.102 - 0.203 0.024 (1) [0.6] 0.059 [1.5] 0.059 [1.5] 0.11 8 [3.0] 0.15 8 [4.0] 0.15 8 [4.0] 0.1 8 1 [4.6] 0.124 [3.15] ref. 0.126 0.00 8 [3.200 0.203] 0.177 0.00 8 [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: 34061 2 revision: 01-jul-09 isc-1812 vishay dale wirewound, surface mount, mo lded, shielded inductors coupling specifications [maximum] description isc-1812 10 h 10 % er e3 model inductance value inductance tolerance package code jedec lead (pb)-free standard inductance (h) 10 5 1 0.5 10 150 5 100 5001000 coupling ( % ) global part number isc 1812 er 100 k product family size package code inductance value tol.
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