Issuu on Google+

OLE WOLFF “your magnetic solution provider”

Molded SMD Power Inductors


What We Offer Ole Wolff develops and manufactures magnetic components. Our magnetic product portfolio includes power inductors, transformers, chokes, line filters, etc, serving a broad range of market segments from consumer to industrial electronics. SMD molded power inductor is a new developed series by OWE.

Page 2


Product Description Our SMT molded power inductors are made with iron powders, which have been processed for rust resistant and dielectric insulation purposes. The coils are then encapsulated inside the iron powder via molding process. This is the major difference between the regular SMD power inductors and the molded power inductors.

Regular inductors

Molded inductors


Major Materials 1. Carbonyl Iron Powder

2. Magnet Wire

3. Metal Terminal


Characteristics •

Made up with high performance Carbonyl iron powder – Low core loss

Encapsulation molded package – Shielded inductor structure – Minimized magnetic field that affects other components – High inductance

• • •

RoHS 2002/95/EC compliance Meets IR reflow requirements per J-STD-020C Operating frequency can go up to 5MHz


Advantages • • • • • • • • •

High energy storage Low power loss High current capable High inductance Good shielding against EMI Minimized magnetic field High reliability Low profile package Low cost

Page 6


Manufacturing Procedure

Magnet wire

Iron powder

Molding

Semi-finished parts

Coil

Coating

Curing

Semi-finished parts

Semi-finished parts

Coil assembly

Leads

Semi-finished parts

Page 7

Laser making

Electrical test

Semi-finished parts

Finished parts

Packing

To pack FG


Product Construction

Coil

Coating

undercoat Base material of terminal

Molding Compound (iron powder)

Tin plating


End Product Applications -

High current DC to DC converters DC to DC converters for CPUs of Laptop/desktop computers Voltage Regulator Modules for servers Heat exchangers for low profile power supplies Portable electronics devices


Electrical Specs. P/N Series

Inductance Range Rating Current [uH] Range [A]

OWIHP0412

.047 ~ 1.2

3.75 ~ 13

OWIHP0420

.10 ~ 2.2

3 ~ 22

OWIHP0530

.47 ~ 4.7

5 ~ 14.5

OWIHP0718

.33 ~ 10.0

4 ~ 18

OWIHP0724

.47 ~ 10.0

5 ~ 21

OWIHP0730

.22 ~ 22.0

3 ~ 34

OWIHP0750

.33 ~ 10.0

5.5 ~ 25

OWIHP1040

2.2 ~ 22.0

6 ~ 19

OWIHP1338

2.2 ~ 10.0

12 ~ 25

OWIHP1350

1.5 ~ 10.0

14 ~ 35

OWIHP1367

2.2 ~ 22.0

8 ~ 33


Package Dimensions

P/N

A [mm Max]

B [mm Max]

C [mm Max]

D [+/0.2mm]

E [mm Ref]

F [+/0.3mm]

OWIHP0412

4.35

4.80

1.20

1.60

3.10

0.76

4.95

2.00

1.65

OWIHP0420

4.35

4.80

2.00

1.60

3.10

0.76

4.95

2.00

1.65

OWIHP0530

4.90

5.20

3.00

1.50

2.90

1.00

7.00

2.50

3.00

OWIHP0718

6.80

7.30

1.80

3.20

4.20

1.30

7.40

3.45

3.70

OWIHP0724

6.80

7.30

2.40

3.20

4.20

1.30

7.40

3.45

3.70

OWIHP0730

6.80

7.30

3.00

3.20

4.20

1.30

7.40

3.45

3.70

OWIHP0750

6.80

7.30

5.00

3.20

4.20

1.30

7.40

3.45

3.70

OWIHP1040

10.20

11.50

4.00

4.10

6.30

2.00

12.00

4.80

5.00

OWIHP1338

12.90

13.80

3.80

4.70

8.40

2.40

13.80

5.15

7.60

OWIHP1350

12.90

13.80

5.00

4.70

8.40

2.40

13.80

5.15

7.60

OWIHP1367

12.90

13.80

6.70

4.70

8.40

2.40

13.80

5.15

7.60

G [mm Ref] H [mm Ref] I [mm Ref]


Global Presence

Page 12


Molded Inductors