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| Model IMC-1812 Vishay Dale Inductors Surface Mount, Molded 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 phase and infrared reflow soldering. 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% 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% 10% 10% 10% 10% Q MIN. 50 50 50 50 50 50 50 50 40 40 40 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 50 50 50 50 50 50 50 50 50 40 40 40 40 40 40 40 40 40 30 30 30 30 SELFRESONANT FREQ. MIN. (MHz) DCR MAX. (Ohms) .010 .012 .018 .022 .027 .033 .039 .047 .056 .068 .082 .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 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 50.0 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 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .25 1000.0 1000.0 1000.0 1000.0 1000.0 1000.0 1000.0 1000.0 900.0 800.0 700.0 650.0 600.0 500.0 400.0 350.0 300.0 250.0 220.0 190.0 170.0 150.0 140.0 100.0 80.0 70.0 60.0 55.0 50.0 45.0 40.0 35.0 33.0 27.0 25.0 20.0 18.0 17.0 15.0 13.0 12.0 11.0 11.0 10.0 9.0 9.0 8.0 8.0 6.0 5.0 5.0 4.0 4.0 3.5 3.0 3.0 3.0 3.0 2.5 2.5 .20 .20 .20 .20 .20 .30 .30 .30 .35 .35 .40 .32 .30 .30 .35 .40 .45 .55 .70 .80 1.20 1.40 1.60 .50 .55 .60 .65 .70 .75 .80 .90 1.00 1.10 1.20 1.40 1.60 2.00 2.50 2.80 3.20 3.60 4.00 4.50 5.00 5.50 6.00 7.00 8.00 8.00 9.00 9.50 10.0 12.0 14.0 16.0 26.0 30.0 30.0 35.0 40.0 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 430 380 355 285 270 250 450 430 410 390 380 370 355 330 315 300 285 270 250 225 200 190 180 170 160 150 140 135 130 120 110 110 105 102 100 92 85 80 62 50 50 30 30 Inductance Range: .010H to 1000H. Inductance Tolerance: 20% for .010H to .39H. 10% for .47H to 1000H standard. 10%, 5%, 3% available. Temperature Range: - 55C to + 125C. Coilform Material: Non-magnetic for .010H to .82H. Powdered Iron for 1.0H to 120H. Ferrite for 150H 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] .177 .008 [4.50 .203] .006 [.152] Ref. Typ. .126 .008 [3.20 .203] .030 .004 [.762 .102] Typ. .124 [3.15] Ref. .181 [4.6] .037 .008 [.940 .203] .050 + .004 - .008 [1.27 + .102 - .203] Typ. .158 [4.0] Guidelines for Parallel Component Printed Circuit Mounting Pads on IMC-1812 Chip Inductors .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 HOW TO ORDER IMC-1812 MODEL 10H INDUCTANCE VALUE 10% INDUCTANCE TOLERANCE Document Number 34044 Revision 29-Apr-99 www.vishay.com 45 |
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