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| Document 139-1 Output Power Chokes - Toroid Styles The DMT power inductors are designed primarily for use as output chokes in switching power supplies. The toroid core design offers the highest inductance values in the smallest part size, while minimizing external magnetic fields. Inductance values range from 7 H to over 1.4 mH with current ratings as high as 12 Amps. These parts are ideal for any application requiring a high DC current bias. They are well suited for use in switch-mode power supplies and can be used as ripple filters and differential mode EMI filters. * All insulating materials 130C or higher. * Industry standard footprint. * UL 1446 approved Insulation System available. * All plastic material UL94V-0. Recommended Board Layout 4 H max Y 1 1 Z 2 2 4 Z V Schematic 1 2 X 0.063 1,6 4 2 for mounting stability 0.052 1,32 L max 0.120/0.180 3,05/4,57 0.052 1,32 W max Terminations: Tin-silver over copper Weight DMT1 Series: 13.0 - 16.4 g DMT2 Series: 48.7 - 56.3 g DMT3 Series: 90.2 - 100.5 g DMT1 Series Part number DMT1-180-1.5L DMT1-84-2.4L DMT1-43-3.8L DMT1-26-5.1L DMT1-16-6.7L DMT1-7-10L L1 min (H) 180 84 43 26 16 7 Current rating (A) 1.5 2.4 3.8 5.1 6.7 10.0 DCR max (Ohms) 0.29 0.14 0.07 0.04 0.02 0.01 H max 1.1/27,9 1.1/27,9 1.1/27,9 1.1/27,9 1.1/27,9 1.1/27,9 L max 1.3/33,0 1.3/33,0 1.3/33,0 1.3/33,0 1.3/33,0 1.3/33,0 W max 0.7/17,8 0.7/17,8 0.7/17,8 0.7/17,8 0.7/17,8 0.7/17,8 X 0.01/0,25 0.80/20,3 0.80/20,3 0.80/20,3 0.80/20,3 0.80/20,3 0.80/20,3 Y 0.01/0,25 0.40/10,2 0.40/10,2 0.40/10,2 0.40/10,2 0.40/10,2 0.40/10,2 Z pins 1 & 4 0.052/1,32 0.052/1,32 0.052/1,32 0.052/1,32 0.041/1,04 0.052/1,32 V pins 1 & 4 0.063/1,60 0.063/1,60 0.063/1,60 0.063/1,60 0.052/1,32 0.063/1,60 1. Minimum inductance at rated current. Tested at 15.75 kHz, 10 Gauss level. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C. Specifications subject to change without notice. Please check our website for latest information. Document 139-1 Revised 07/31/07 (c) Coilcraft, Inc. 2009 Document 139-2 Output Power Chokes - Toroid Styles Recommended Board Layout 4 H max Y 1 1 Z 2 2 4 Z V Schematic 1 2 X 0.063 1,6 4 2 for mounting stability 0.052 1,32 L max 0.120/0.180 3,05/4,57 0.052 1,32 W max Terminations: Tin-silver over copper Weight DMT1 Series: 13.0 - 16.4 g DMT2 Series: 48.7 - 56.3 g DMT3 Series: 90.2 - 100.5 g DMT2 Series Part number DMT2-567-1.5L DMT2-273-2.4L DMT2-149-3.8L DMT2-79-6L DMT2-47-8.2L DMT2-26-11L DMT2-796-1.5L DMT2-380-2.4L DMT2-200-3.8L DMT2-134-4.8L DMT2-80-6.3L DMT2-49-8L DMT2-20-12L L1 min (H) 567 273 149 79 47 26 796 380 200 134 80 49 20 Current rating (A) 1.5 2.4 3.8 6.0 8.2 11.0 1.5 2.4 3.8 4.8 6.3 8.0 12.0 DCR max (Ohms) 0.56 0.26 0.13 0.07 0.04 0.02 0.79 0.38 0.19 0.10 0.05 0.04 0.02 H max 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 L max 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.4/35,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 1.6/40,6 W max 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 0.9/22,9 X 0.01/0,25 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 0.90/22,9 Y 0.01/0,25 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 0.60/15,2 Z pins 1 & 4 0.052/1,32 0.052/1,32 0.052/1,32 0.052/1,32 0.041/1,04 0.052/1,32 0.052/1,32 0.052/1,32 0.052/1,32 0.052/1,32 0.041/1,04 0.046/1,17 0.058/1,47 V pins 1 & 4 0.063/1,60 0.063/1,60 0.063/1,60 0.063/1,60 0.052/1,32 0.063/1,60 0.063/1,60 0.063/1,60 0.063/1,60 0.063/1,60 0.052/1,32 0.057/1,45 0.069/1,75 1. Minimum inductance at rated current. Tested at 15.75 kHz, 10 Gauss level. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C. DMT3 Series Part number DMT3-1439-1.5L DMT3-695-2.4L DMT3-402-3.7L DMT3-257-4.9L DMT3-138-6L DMT3-77-8L DMT3-35-12L L1 min (H) 1439 695 402 257 138 77 35 Current rating (A) 1.5 2.4 3.7 4.9 6.0 8.0 12.0 DCR max (Ohms) 1.176 0.550 0.279 0.150 0.070 0.040 0.019 H max 1.90/48,3 1.90/48,3 1.90/48,3 1.90/48,3 1.90/48,3 1.90/48,3 1.90/48,3 L max 1.80/45,7 1.80/45,7 1.80/45,7 1.85/47,0 1.85/47,0 1.85/47,0 1.85/47,0 W max 0.95/24,1 0.95/24,1 0.95/24,1 0.95/24,1 0.95/24,1 0.95/24,1 0.95/24,1 X 0.01/0,25 1.20/30,5 1.20/30,5 1.20/30,5 1.20/30,5 1.20/30,5 1.20/30,5 1.20/30,5 Y 0.01/0,25 0.70/17,8 0.70/17,8 0.70/17,8 0.70/17,8 0.70/17,8 0.70/17,8 0.70/17,8 Z pins 1 & 4 0.052/1,32 0.052/1,32 0.052/1,32 0.052/1,32 0.041/1,04 0.046/1,17 0.058/1,47 V pins 1 & 4 0.063/1,60 0.063/1,60 0.063/1,60 0.063/1,60 0.052/1,32 0.057/1,45 0.069/1,75 1. Minimum inductance at rated current. Tested at 15.75 kHz, 10 Gauss level. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C. Specifications subject to change without notice. Please check our website for latest information. Document 139-2 Revised 07/31/07 (c) Coilcraft, Inc. 2009 |
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