IMC-1812 Vishay Dale Wirewound, Surface Mount, Molded Inductors FEATURES Molded construction provides superior strength and moisture resistance Tape and reel packaging for automatic handling, 2000/reel, EIA-481 Printed marking STANDARD ELECTRICAL SPECIFICATIONS Compatible with vapor phase and infrared reflow TEST FREQ. SRF DCR RATED DC soldering (MHz) IND. Q MIN. MAX. CURRENT (1) (H) TOL. L & Q MIN. (MHz) () (mA) Compliant to RoHS Directive 2002/95/EC 0.010 20 % 50.0 50 1000 0.20 450 0.012 20 % 50.0 50 1000 0.20 450 ELECTRICAL SPECIFICATIONS 0.018 20 % 50.0 50 1000 0.20 450 0.022 20 % 50.0 50 1000 0.20 450 Inductance Range: 0.010 H to 1000 H 0.027 20 % 50.0 50 1000 0.20 450 Inductance Tolerance: 20 % for 0.010 H to 0.39 H 0.033 20 % 50.0 50 1000 0.30 450 0.039 20 % 50.0 50 1000 0.30 450 10 % for 0.47 H to 1000 H standard 0.047 20 % 50.0 50 1000 0.30 450 10 %, 5 %, 3 % available 0.056 20 % 50.0 40 900 0.35 450 0.068 20 % 50.0 40 800 0.35 450 Operating Temperature: - 55 C to + 125 C 0.082 20 % 50.0 40 700 0.40 450 Coilform Material: Non-magnetic for 0.010 H to 0.82 H 0.10 20 % 25.2 30 650 0.32 450 0.12 20 % 25.2 30 600 0.30 450 Powdered iron for 1.0 H to 120 H 0.15 20 % 25.2 30 500 0.30 450 Ferrite for 150 H to 1000 H 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 TEST EQUIPMENT 0.33 20 % 25.2 30 250 0.55 430 H/P 4342A Q meter with Vishay Dale test fixture or 0.39 20 % 25.2 30 220 0.70 380 equivalent 0.47 10 % 25.2 30 190 0.80 355 0.56 10 % 25.2 30 170 1.20 285 H/P 4191A RF impedance analyzer (for SRF 0.68 10 % 25.2 30 150 1.40 270 measurements) 0.82 10 % 25.2 30 140 1.60 250 1.0 10 % 7.96 50 100 0.50 450 Wheatstone bridge 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 DIMENSIONS in inches millimeters 2.2 10 % 7.96 50 55.0 0.70 380 2.7 10 % 7.96 50 50.0 0.75 370 0.037 0.008 3.3 10 % 7.96 50 45.0 0.80 355 0.940 0.203 3.9 10 % 7.96 50 40.0 0.90 330 0.126 0.008 4.7 10 % 7.96 50 35.0 1.00 315 3.200 0.203 5.6 10 % 7.96 50 33.0 1.10 300 6.8 10 % 7.96 50 27.0 1.20 285 0.177 0.008 + 0.004 8.2 10 % 7.96 50 25.0 1.40 270 0.050 - 0.008 4.500 0.203 10.0 10 % 2.52 50 20.0 1.60 250 0.006 0.152 + 0.102 1.270 12.0 10 % 2.52 50 18.0 2.00 225 Ref. Typ. - 0.203 0.126 0.008 15.0 10 % 2.52 50 17.0 2.50 200 Typ. 3.200 0.203 18.0 10 % 2.52 50 15.0 2.80 190 0.030 0.004 22.0 10 % 2.52 50 13.0 3.20 180 0.762 0.102 27.0 10 % 2.52 50 12.0 3.60 170 33.0 10 % 2.52 50 11.0 4.00 160 Typ. 0.158 39.0 10 % 2.52 50 11.0 4.50 150 4.0 47.0 10 % 2.52 50 10.0 5.00 140 0.124 3.15 0.181 56.0 10 % 2.52 50 9.0 5.50 135 Ref. 4.6 68.0 10 % 2.52 50 9.0 6.00 130 0.158 82.0 10 % 2.52 50 8.0 7.00 120 Guidelines for (1) 0.024 100.0 10 % 0.79 40 8.0 8.00 110 4.0 Parallel Component 0.6 120.0 10 % 0.79 40 6.0 8.00 110 Printed Circuit 150.0 10 % 0.79 40 5.0 9.00 105 0.059 0.059 Mounting Pads on 180.0 10 % 0.79 40 5.0 9.50 102 1.5 1.5 IMC-1812 Chip 220.0 10 % 0.79 40 4.0 10.0 100 Inductors 0.118 3.0 270.0 10 % 0.79 40 4.0 12.0 92 330.0 10 % 0.79 40 3.5 14.0 85 Note 390.0 10 % 0.79 40 3.0 16.0 80 (2) 470.0 10 % 0.79 40 3.0 26.0 62 Recommended minimum spacing between components 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 PART MARKING 1000.0 10 % 0.25 30 2.5 40.0 30 - Vishay Dale Note - Inductance value (1) Rated DC current based on the maximum temperature rise, not - Date code to exceed 40 C at + 85 C ambient Document Number: 34044 For technical questions, contact: magnetics vishay.com www.vishay.com Revision: 23-Feb-11 1 IMC-1812 Wirewound, Surface Mount, Molded Inductors Vishay Dale DESCRIPTION IMC-1812 10 H 10 % ER e3 MODEL INDUCTANCE VALUE INDUCTANCE TOLERANCE PACKAGE CODE JEDEC LEAD (Pb)-FREE STANDARD GLOBAL PART NUMBER I M C 181 2 E R 1 00 K PRODUCT SIZE PACKAGE INDUCTANCE TOL. FAMILY CODE VALUE www.vishay.com For technical questions, contact: magnetics vishay.com Document Number: 34044 2 Revision: 23-Feb-11