© 2008 Cooper Bussmann

St. Louis, MO 63178

636-394-2877

www.cooperbussmann.com

Reorder # 4036

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low-profile high power density magnetic components. We remain at the forefront of innovation and new technology to deliver the optimal mix of

packaging, high efficiency and unbeatable reliability. Our designs utilize high frequency, low core loss materials, and new and custom core shapes

in combination with innovative construction and packaging to provide designers with the highest performance parts available on the market. The

Coiltronics Brand product line of power magnetics continually expands to satisfy shifts in technology and related market needs. Standard Product

Categories include:

• Shielded Drum Inductors

• Unshielded Drum Inductors

• High Current Inductors

• Toroidal Inductors

• Specialty Magnetics

• Custom Magnetics

A

A

B

B

C

C

D

D

EE

FF

G

G

H

H

II

JJ

K

K

LL rreeff..

M

M

N

N

O

O

m

maaxx..

rreeff..

m

maaxx..

rreeff..

m

maaxx..

rreeff..

rreeff..

rreeff..

rreeff..

rreeff..

m

maaxx..

21.5

22.0

28.5

0.7

10.8

2.95

0.1

0.4

17.25

2.25

3.15

23.2

29.5

3.0

0.75

For full product information and a listing of all available inductor values, see http://www.cooperbussmann.com/datasheets/elx, Data sheet number 4339.

Forward Transformers - 26 Watts

Dimensions (mm)

Schematic

D

DC

CR

R

D

DC

CR

R

D

DC

CR

R

D

DC

CR

R

P

Prriim

maarryy

P

Prriim

maarryy

S

Seeccoonnddaarryy

B

Biiaass

S

Syynncc..

LLeeaakkaaggee

P

Prriim

maarryy

TTuurrnn R

Raattiioo P

Piinnss P

Prriim

maarryy

P

Paarrtt

IInndduuccttaannccee

((

Ω

Ω))

((

Ω

Ω))

((

Ω

Ω))

((

Ω

Ω))

IInndduuccttaannccee

C

Cuurrrreenntt

((2

2--4

4)):: V

V1

1,, ((1

12

2--1

10

0)):: V

V2

2

N

Nuum

mbbeerr

W

Waattttss

((

μμHH))

O

Ouuttppuutt

B

Biiaass

S

Syynncc..

m

maaxx

m

maaxx

m

maaxx

m

maaxx

((

μμHH)) ttyypp..

P

Pkk ((A

Addcc))

((1

11

1--9

9)):: B

Biiaass,, ((1

1--6

6)):: S

Syynncc.. ((7

7--8

8))

PoE26W3.3VS5-R

26

160

(2)x3.3V

10.0V

5V

0.1

0.03

0.9

0.42

1

2.6

1:0.29:0.29:0.83:0.42 +/-2%

@4.0A

@0.1A

@0.1A

PoE26W3.3VS10-R

26

160

(2)x3.3V

10.0V

10V

0.1

0.03

0.9

0.9

1

2.6

1:0.29:0.29:0.83:0.83 +/-2%

@4.0A

@0.1A

@0.1A

PoE26W5V-R

26

160

(2)x5.0V

10.0V

5.0V

0.1

0.05

0.9

0.42

1

2.6

1:0.42:0.42:0.83:0.42 +/-2%

@2.6A

@0.1A

@0.1A

Top View

Front View

Recommended Pad Layout

PoE

1

7

6

12

White Dot Pin #1

A

B

D

(12 plcs)

C

H

(12 plcs)

G

(12 plcs)

F

(2 plcs)

E

Component Side

1

6

12

7

I

J

(12plcs)

K

(12plcs)

N

(10plcs)

O

(10plcs)

L

M

Bias

1

11

6

8

7

9

4

2

10

12

Primary

Output

Output

Sync