US
UK
Taiwan
China
Singapore
+1-847-639-6400 sales@coilcraft.com
+44-1236-730595 sales@coilcraft-europe.com
+886-2-2264 3646 sales@coilcraft.com.tw
+86-21-6218 8074 sales@coilcraft.com.cn
+ 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft appr
oval.
Specification subject to change without notice.
Please check web site for latest infor
mation.
Output Power Chokes – Toroid Styles
Document 139-1
Document 139-1 Revised 08/15/12
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 µH 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.
• Industry standard footprint.
• UL1446 Class B (130°C) Insulation System (UL File E83628)
• All plastic material UL94V-0.
1
1
1
0.063
1,6
Schematic
Recommended
Board Layout
L max W max
(pin 2)
22
2
X
Y
f
or mounting
stability
4
4
24
ZV
Z0.120/0.180
3,05/4,57
0.052
1,32
0.052
1,32
H max
DMT1 Series
L1 Current DCR SRF
Part min rating max typ H L W X Y Z V
number (µH) (A) (Ohms) (MHz) max max max ±0.01/0,25 ±0.01/0,25 pins 1 & 4 pins 1 & 4
DMT1-7-10L 7 10.0 0.01 28.8 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 0.052/1,32 0.063/1,60
DMT1-16-6.7L 16 6.7 0.02 16.6 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 0.041/1,04 0.052/1,32
DMT1-26-5.1L 26 5.1 0.04 11.5 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 0.052/1,32 0.063/1,60
DMT1-43-3.8L 43 3.8 0.07 7.28 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 0.052/1,32 0.063/1,60
DMT1-84-2.4L 84 2.4 0.14 4.37 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 0.052/1,32 0.063/1,60
DMT1-180-1.5L 180 1.5 0.29 1.92 1.1/27,9 1.3/33,0 0.7/17,8 0.80/20,3 0.40/10,2 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 –40°C to +85°C.
3. Electrical specifications at 25°C.
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
US
UK
Taiwan
China
Singapore
+1-847-639-6400 sales@coilcraft.com
+44-1236-730595 sales@coilcraft-europe.com
+886-2-2264 3646 sales@coilcraft.com.tw
+86-21-6218 8074 sales@coilcraft.com.cn
+ 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft appr
oval.
Specification subject to change without notice.
Please check web site for latest infor
mation.
Output Power Chokes – Toroid Styles
Document 139-2
Document 139-2 Revised 08/15/12
1
1
1
0.063
1,6
Schematic
Recommended
Board Layout
L max W max
(pin 2)
22
2
X
Y
f
or mounting
stability
4
4
24
ZV
Z0.120/0.180
3,05/4,57
0.052
1,32
0.052
1,32
H max
DMT2 Series
L1 Current DCR SRF
Part min rating max typ H L W X Y Z V
number (µH) (A) (Ohms) (MHz) max max max ±0.01/0,25 ±0.01/0,25 pins 1 & 4 pins 1 & 4
DMT2-26-11L 26 11.0 0.02 9.34 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-47-8.2L 47 8.2 0.04 6.45 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.041/1,04 0.052/1,32
DMT2-79-6L 79 6.0 0.07 3.58 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-149-3.8L 149 3.8 0.13 4.03 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-273-2.4L 273 2.4 0.26 2.45 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-567-1.5L 567 1.5 0.56 1.12 1.4/35,6 1.4/35,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-20-12L 20 12.0 0.02 11.4 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.058/1,47 0.069/1,75
DMT2-49-8L 49 8.0 0.04 6.13 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.046/1,17 0.057/1,45
DMT2-80-6.3L 80 6.3 0.05 4.46 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.041/1,04 0.052/1,32
DMT2-134-4.8L 134 4.8 0.10 2.82 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-200-3.8L 200 3.8 0.19 2.07 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-380-2.4L 380 2.4 0.38 1.68 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 0.052/1,32 0.063/1,60
DMT2-796-1.5L 796 1.5 0.79 0.64 1.6/40,6 1.6/40,6 0.9/22,9 0.90/22,9 0.60/15,2 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 –40°C to +85°C.
3. Electrical specifications at 25°C.
DMT3 Series
L1 Current DCR SRF
Part min rating max typ H L W X Y Z V
number (µH) (A) (Ohms) (MHz) max max max ±0.01/0,25 ±0.01/0,25 pins 1 & 4 pins 1 & 4
DMT3-35-12L 35 12.0 0.019 7.55 1.9/48,3 1.85/47,0 0.95/24,1 1.20/30,5 0.70/17,8 0.058/1,47 0.069/1,75
DMT3-77-8L 77 8.0 0.040 4.24 1.9/48,3 1.85/47,0 0.95/24,1 1.20/30,5 0.70/17,8 0.046/1,17 0.057/1,45
DMT3-138-6L 138 6.0 0.070 2.77 1.9/48,3 1.85/47,0 0.95/24,1 1.20/30,5 0.70/17,8 0.041/1,04 0.052/1,32
DMT3-257-4.9L 257 4.9 0.150 1.62 1.9/48,3 1.85/47,0 0.95/24,1 1.20/30,5 0.70/17,8 0.052/1,32 0.063/1,60
DMT3-402-3.7L 402 3.7 0.279 1.25 1.9/48,3 1.80/45,7 0.95/24,1 1.20/30,5 0.70/17,8 0.052/1,32 0.063/1,60
DMT3-695-2.4L 695 2.4 0.550 0.92 1.9/48,3 1.80/45,7 0.95/24,1 1.20/30,5 0.70/17,8 0.052/1,32 0.063/1,60
DMT3-1439-1.5L 1439 1.5 1.176 0.56 1.9/48,3 1.80/45,7 0.95/24,1 1.20/30,5 0.70/17,8 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 –40°C to +85°C.
3. Electrical specifications at 25°C.
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
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Coilcraft:
DMT3-138-6L DMT2-80-6.3L DMT2-134-4.8L DMT2-79-6L DMT1-7-10L DMT1-16-6.7L DMT2-49-8L DMT3-257-
4.9L DMT3-35-12L DMT1-26-5.1L DMT1-84-2.4L DMT3-1439-1.5L DMT2-47-8.2L DMT2-149-3.8L DMT1-180-1.5L
DMT2-20-12L DMT2-796-1.5L DMT2-567-1.5L DMT2-26-11L DMT1-43-3.8L DMT3-77-8L DMT2-200-3.8L DMT2-
380-2.4L DMT2-273-2.4L DMT3-695-2.4L DMT3-402-3.7L
