Technical Data 4315

Effective September 2017

DR

High power density, high efficiency, shielded drum core power inductors

6

www.eaton.com/electronics

Dimensions - mm

DR73

BOTTOM VIEW

1.13

6.0

2.0

7.6

Max

7.6 Max

FRONT VIEW

3.55

Max

8.50

RECOMMENDED PAD LAYOUT

DR73

###

wllyy R

TOP VIEW

2.50

3.25

SCHEMATIC

2

1

4.35

Max

FRONT VIEW

1.13

2.0

7.6

Max

7.6

Max

BOTTOM VIEW

TOP VIEW

8.50

RECOMMENDED PAD LAYOUT

2.50

3.25

SCHEMATIC

2

1

DR74

DR74

###

wllyy R

2

1

12.50

Max

6.00

Max

DR125-###

wwllyy

R

10

4.90

Typ

2.05

Typ.

1

12.50

Max

2

2

1

5.50

3.85

13.80

RECOMMENDED PAD LAYOUT

SCHEMATIC

TOP VIEW

FRONT VIEW

BOTTOM VIEW

DR125

DR127-###

wwllyy

R

1

2

2

1

8.00

Max

10

12.50

Max

4.90

Typ

2.05

Typ.

1

12.50

Max

2

BOTTOM VIEW

TOP VIEW

SCHEMATIC

5.50

3.85

13.80

RECOMMENDED PAD LAYOUT

FRONT VIEW

DR127

### = Inductance value per family chart

wllyy and wwllyy = (date code) R = revision level