Drum Cores www.ctparts.com CTDR3 Series Ordering Info From 1.0 H to 4,700 H Not shown at actual size. Characteristics Rated DC Current: Measured at 20C Saturation Current: Lowers inductance by 5% Inductance Tolerance: K = 10% Packaging: Bulk pack Testing: Inductance and Q are tested on a HP4262A at 1kHz Leads: Tinned for PC mounting to within 1/16" of the parts body Sleeving: Coils finished with UL-VW-1 sleeving Mounting: Center hole furnished for mechanical mounting Customs: Non-standard tolerances and values available upon request 5/16/00 (c) Volume Manufacturer of Quality Inductors, Chokes & Coils Central Tech Part Number Inductance (H) DCR Max. ) ( Saturation DC (A) Rated DC (A) Dimension E Approx. Inches CTDR3-1R0K CTDR3-1R2K CTDR3-1R5K CTDR3-1R8K CTDR3-2R2K CTDR3-2R7K CTDR3-3R3K CTDR3-3R9K CTDR3-4R7K CTDR3-5R6K CTDR3-6R8K CTDR3-8R2K 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .004 .004 116 116 116 90 90 74 74 62 54 54 47 42 21 21 21 21 21 21 21 21 21 21 21 21 .80 .80 .80 .80 .80 .80 .80 .80 .80 .80 .80 .80 CTDR3-100K CTDR3-120K CTDR3-150K CTDR3-180K CTDR3-220K CTDR3-270K CTDR3-330K CTDR3-390K CTDR3-470K CTDR3-560K CTDR3-680K CTDR3-820K 10 12 15 18 22 27 33 39 47 56 68 82 .006 .008 .009 .010 .011 .012 .017 .022 .024 .026 .029 .032 38 35 32 29 25 23 20 19 19 17 15 14 17 13 13 13 13 13 13 11 9.0 9.0 9.0 9.0 .70 .69 .69 .69 .69 .79 .79 .79 .75 .75 .75 .75 CTDR3-101K CTDR3-121K CTDR3-151K CTDR3-181K CTDR3-221K CTDR3-271K CTDR3-331K CTDR3-391K CTDR3-471K CTDR3-561K CTDR3-681K CTDR3-821K 100 120 150 180 220 270 330 390 470 560 680 820 .034 .046 .064 .072 .080 .110 .122 .169 .187 .205 .256 .288 13 12 11 9.7 8.7 7.9 7.1 67 6.0 5.5 5.0 4.5 9.0 7.2 5.5 5.5 5.5 4.5 4.5 4.0 4.0 4.0 2.8 2.8 .78 .75 .78 .78 .78 .75 .81 .75 .75 .75 .72 .84 CTDR3-102K CTDR3-122K CTDR3-152K CTDR3-182K CTDR3-222K CTDR3-272K CTDR3-332K CTDR3-392K CTDR3-472K 1000 1200 1500 1800 2200 2700 3300 3900 4700 .426 .462 .518 .705 1.02 1.14 1.27 1.67 1.86 4.1 3.7 3.4 2.8 2.5 2.3 2.0 1.8 1.7 2.0 2.0 2.0 1.6 1.3 1.3 1.3 1.0 1.0 .75 .75 .75 .77 .77 .77 .75 .75 .75 116 For more information contact our distributor: Inductors Inc., 5 Technology Drive, Irvine, CA 92618 Inside US 800-533-8295 Outside US 949-623-2460 Fax 949-623-1401 Drum Cores www.ctparts.com Physical Dimensions Size A B C mm inches 21.3 28.0 12.7 4.95 0.840 1.10 0.500 0.195 For more information contact our distributor: Inductors Inc., 5 Technology Drive, Irvine, CA 92618 Inside US 800-533-8295 Outside US 949-623-2460 Fax 949-623-1401 D 117 CTDR3 Series Notes (c) Volume Manufacturer of Quality Inductors, Chokes & Coils 5/16/00