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| Model ILS-3825 Vishay Dale Surface Mount Inductors Low Profile for DC/DC Converters FEATURES * Low profile .047" [1.19mm] maximum thickness. * Self shielding. * Surface mountable. * High Q for high efficiency. * Excellent energy storage. * Monolithic, ferrite construction. * Terminals designed for maximum trace EMI and compact circuit design. * Patents obtained. SCHEMATIC APPLICATIONS No Connection (NC) Low profile DC/DC converters. Type I PCMCIA. Hand held electronics. Flat panel displays. ELECTRICAL SPECIFICATIONS Inductance Range: 4.7H to 10H. Inductance Tolerance: 20%. Temperature Range: - 40C to + 85C. STANDARD ELECTRICAL SPECIFICATIONS IND. (H) 20% @ 10kHz w/600mA DC 10.0 SELF RESONANT FREQ. MIN. (MHz) Q @ 500 kHz (Min.) DCR MAX. (Ohms) RATED DC CURRENT (mA) MODEL ILS-3825- 01 20 9 0.65 1,000 ILS-3825- 03 4.7 18 13 0.45 1,200 DIMENSIONAL OUTLINE [Numbers in brackets indicate millimeters] DIMENSIONAL OUTLINE PAD LAYOUT 0.270 [6.9] 0.051 [1.3] 0.095 .012 [2.41 0.30] 0.051 [1.3] 0.020 .012 [0.51 0.30] Typ. 0.110 [2.8] 0.425 [10.8] 0.051 [1.3] 0.375 .012 [9.53 0.30] NC 0.250 .012 [6.35 0.30] 0.126 [3.2] 0.047 [1.19] Max. Alternate NC Pad www.vishay.com 15 Document Number 34026 Revision 23-Nov-99 Model ILS-3825 Vishay Dale PERFORMANCE GRAPHS Inductance vs DC Bias 13 12 11 10 10H 140 160 Typical Current vs Temperature Rise 10H @ 85C Ambient INDUCTANCE (H) 9 8 7 6 5 4 3 2 1 0 0.01 TEMPERATURE RISE (C) 120 100 10H @ 20C Ambient 80 60 4.7H @ 85C Ambient 40 4.7H @ 20C Ambient 20 0 4.7H 0.1 0.6 1 10 0 0.5 DC CURRENT (Amps) 1 1.5 DC CURRENT (Amps) 4.7H, L & Q vs Frequency 6.0 L @ - 40C 5.5 L @ 20C 13.5 100 13.0 120 14.0 10H, L & Q vs Frequency 80 70 60 L @ - 40C 12.5 12.0 11.5 Q @ - 40C 11.0 Q @ 85C 20 Q @ 20C 10.5 0 10.0 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (kHz) 10 0 L @ 85C 50 40 30 L @ 20C INDUCTANCE (H) 5.0 L @ 85C 4.5 80 INDUCTANCE (H) 60 4.0 Q @ - 40C 3.5 Q @ 20C 3.0 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (kHz) Q @ 85C 40 20 Energy Storage 6 5 ENERGY STORAGE ( Joules) 4 10H 3 Q 4.7H 2 1 0 0 0.5 1 1.5 DC CURRENT (Amps) PACKAGING OPTIONS * Tape and Reel: Embossed plastic carrier tape. Per EIA481-1. 2000 pieces on a 13" [330mm] reel. HOW TO ORDER ILS-3825 MODEL 10H INDUCTANCE VALUE - 01 (10H) - 03 (4.7H) 20% INDUCTANCE TOLERANCE Document Number 34026 Revision 23-Nov-99 www.vishay.com 15 Q |
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