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| Model ISC-1812 Vishay Dale Inductors Surface Mount, Molded, Shielded FEATURES * Molded construction provides 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. STANDARD ELECTRICAL SPECIFICATIONS TEST FREQ. L&Q (MHz) ELECTRICAL SPECIFICATIONS RATED DC CURRENT (mA) IND. (H) TOL. 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% Q MIN. 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 40 40 40 40 40 40 40 40 40 40 SELFRESONANT FREQ. MIN. (MHz) DCR MAX. (Ohms) .10 .12 .15 .18 .22 .27 .33 .39 .47 .56 .68 .82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 1000.0 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 .796 .796 .796 .796 .796 .796 .796 .796 .796 .796 .796 .796 .252 460.0 400.0 390.0 350.0 310.0 280.0 240.0 215.0 205.0 195.0 165.0 155.0 140.0 120.0 100.0 90.0 80.0 67.0 61.0 56.0 50.0 40.0 32.0 30.0 25.0 22.0 18.0 15.0 14.0 13.0 12.0 11.0 9.0 8.0 7.6 7.2 7.0 6.0 5.0 4.5 4.2 4.0 3.7 3.5 3.3 2.8 2.6 2.2 2.0 .23 .26 .29 .32 .36 .40 .45 .60 .75 .80 .95 1.20 .35 .38 .40 .43 .46 .49 .55 .59 .62 .69 .75 .82 .90 1.0 1.10 1.24 1.36 1.56 1.72 1.89 2.10 2.34 2.60 2.86 3.25 3.64 4.16 5.72 6.30 6.90 7.54 8.20 9.20 10.50 12.0 13.50 16.0 552 519 491 468 441 418 394 342 306 296 271 242 447 429 418 403 390 378 357 344 336 333 306 292 279 265 252 238 227 212 202 192 183 173 164 156 147 139 130 111 105 101 96 92 87 82 76 72 66 Inductance Range: .10H to 1000H. Inductance Tolerance: 20% for .10H to .82H. 10% for 1.0H to 1000H standard. 10%, 5%, 3% and 2% (also 1% on some values) available. Temperature Range: - 55C to + 125C. Coilform Material: Non-Magnetic for .10H to .82H. Powdered iron for 1.0H to 22H. Ferrite for 27H to 1000H. 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. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] .126 .008 [3.20 .203] .006 [.152] Ref. Typ. .177 .008 [4.50 .203] .037 .008 [.940 .203] .050 + .004 - .008 [1.27 + .102] - .203] .030 .004 [.762 .102] Typ. .124 [3.15] Ref. .126 .008 [3.20 .203] .158 [4.0] Guidelines for Parallel Component Printed Circuit Mounting Pads on ISC-1812 Chip Inductors .181 [4.6] .024* [0.6] .059 [1.5] .118 [3.0] .059 [1.5] .158 [4.0] *Recommended minimum spacing between components. PART MARKING -- Vishay Dale -- Inductance value -- Date code COUPLING SPECIFICATIONS (MAXIMUM) 10 COUPLING (%) 5 HOW TO ORDER 1 .5 1 5 10 50 100 500 1000 ISC-1812 MODEL INDUCTANCE (H) 10H INDUCTANCE VALUE 10% INDUCTANCE TOLERANCE www.vishay.com 46 Document Number 34061 Revision 03-May-99 |
Price & Availability of ISC-1812
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