Power Inductors - Unshielded CTCR32F Series From 1.0 µH to 390 µH Not shown at actual size. RoHS Compliant CHARACTERISTICS Description: SMD power inductor Applications: VTR power supplies, OA equipment, LCD televisions, PC notebooks, portable communication equipment, DC/DC converters Operating Temperature: -30°C to +100°C Inductance Tolerance: ±20% Testing: Inductance is tested on an HP4284A or HP4285A at specified frequency Packaging: Tape & Reel Marking: Marked with inductance code Rated DC: This indicates the value of current when the inductance is 10% lower than its initial value at D.C. superimposition or D.C. current when at ΔT=40°C, whichever is lower. Miscellaneous: RoHS Compliant. Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information. ctparts.com SPECIFICATIONS Part numbers indicate available inductance tolerance. K = ±10%, M = ±20% Part Number Inductance (µH) L Test Freq. (_Hz) DCR Max. Ω) (mΩ Rated DC (A) CTCR32F-1R0M CTCR32F-1R2M CTCR32F-1R5M CTCR32F-1R8M CTCR32F-2R2M CTCR32F-2R7M CTCR32F-3R3M CTCR32F-3R9M CTCR32F-4R7M CTCR32F-5R6M CTCR32F-6R8M CTCR32F-7R4M CTCR32F-8R2M 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 7.4 8.2 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 7.96M 48.7 78.0 85.0 91.0 57.8 111.0 137.0 143.0 170.0 163.0 202.0 215.0 228.0 1.80 1.70 1.50 1.32 1.46 1.24 1.18 1.15 1.04 0.90 0.88 0.84 0.78 CTCR32F-100K CTCR32F-120K CTCR32F-150K CTCR32F-180K CTCR32F-220K CTCR32F-270K CTCR32F-330K CTCR32F-390K CTCR32F-470K CTCR32F-560K CTCR32F-680K CTCR32F-820K 10 12 15 18 22 27 33 39 47 56 68 82 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 230.0 270.0 310.0 410.0 470.0 660.0 760.0 850.0 970.0 1250.0 1450.0 1850.0 0.76 0.685 0.635 0.525 0.500 0.405 0.380 0.355 0.330 0.290 0.275 0.235 CTCR32F-101K CTCR32F-121K CTCR32F-151K CTCR32F-181K CTCR32F-221K CTCR32F-271K CTCR32F-331K CTCR32F-391K 100 120 150 180 220 270 330 390 100k 100k 100k 100k 100k 100k 100k 100k 2200.0 2900.0 3400.0 3900.0 4500.0 6000.0 7000.0 7800.0 0.220 0.185 0.170 0.165 0.155 0.135 0.125 0.115 PHYSICAL DIMENSIONS Size mm inches A A B C Max. Max. Max. 4.1 3.0 2.0 3.1 2.3 0.161 0.118 0.079 0.122 0.091 XXX F B C 3.8 2 3 1 4 4.0 04.22.09 CENTRAL TECHNOLOGIES F 4.0 Unit: mm 2.0 E 0.157 RECOMMENDED LAND PATTERN 1.8 D Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2009 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice D E