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© Coilcraft Inc. 2013

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

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)

2

2

2

X

Y

for mounting

stability

4

4

2

4

Z

V

Z

0.120/0.180

3,05/4,57

0.052

1,32

0.052

1,32

H max

DMT2 Series

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

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