3

Technical Data 4339

Effective August 2017

www.eaton.com/electronics

SDQ

Low-profile dual winding shielded drum inductor/transformer

Dimensions- mm

Packaging- mm

5.2

Max

Part marking

(Note A)

4

3

5.2

Max

1

Pin #1 identifier

2

HT

1.5 typ ref

3

1

2

4

1.5 Typ.

Ref.

1.02

2.575

5.15

4

1

2.975

2.975

R2.250

5.95

5.950

R2.250

2.975

2.975

5.950

23

4 PAD LAYOUT

2 PAD LAYOUT

2

3

2

SERIES

PARALL EL

3

1

4

1

TRANSFORMER

2

1

4

4

3

Top View

Side View

Bottom View

Recommended Pad Layout

Schematic

SDQ12 = 1.2mm max.

SDQ25 = 2.5mm max.

(2nd digit is a bi-weekly production date code)

(3rd digit is the last digit of the year produced)

Part marking: Line 1 (1st digit inductance value per part marking designator in chart above)

Line 2: xx (indicates the product size code)

Do not route traces or vias underneath the inductor

5.45

Direction of feed

Pin #1 indicator

12.0

+/-0.3

1.75

1.5 Dia.

+0.1/-0.0

1.5 Dia.

min.

8.0

A

A

2.00

SECTION A-A

4.00

2.00

1

2

4

3

5.50

5.45

Supplied in tape-and-reel packaging,3800 parts per reel, 13” diameter reel.

Actual Size

SDQ12

Supplied in tape-and-reel packaging, 2900 parts per reel, 13” diameter reel.

Actual Size

SDQ25

2.00

4.00

Direction of feed

Pin #1 indicator

12.0

+/-0.3

5.50

1.75

1.5 Dia.

+0.1/-0.0

1.5 Dia

min.

8.0

A

2

1

A

SECTION A-A

4

3

5.45

5.45

2.70 mm

SDQ25

SDQ12