SCHURTER-DSF-28-0005

Suppression Chokes  

DSF  

Storage Choke, flat design  

See below:  

Approvals and Compliances  

Description  

Applications  

– Storage of energy in switched power supplies  

– Switch-mode  

– Storage choke  

– TH

T

–

terminals  

– Inductor horizontally positioned in housing  

– Constant inductance at high alternating field modulation and large DC  

magnetization  

– Reduced magnetic reversal  

– SMD version on request  

– Chopper amplifiers  

– DC drives and stepper motor controls  

Weblinks  

,

,

,

,  

,

,

T

e

chnical Data  

Rated voltage  

Rated Current  

Rated inductance  

Power Operating Frequency  

T

e

rminal

T

y

pe  

up to 60

0

V

DC  

0.45 – 4.

5

A @

T

a

7

0 °C  

0.011 – 3.

7

m

H,

T

o

l.

 

15ꢀ  

up to

1

M

Hz  

Isolation Voltage  

Climatic Category  

Allowable Operation

T

e

mp.  

2

k

V eff., winding to ambient  

40/125/21 acc. to IEC 60068-1  

-4

0

°

C to 12

5

°

C  

THT  

Weight  

7 – 1

8

g  

Material: Housing  

Sealing Compound  

UL 94V-0  

UL 94V-0  

Approvals and Compliances  

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in

 

SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national  

and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF  

16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agree-  

ments by SCHURTER.  

Application standards  

Application standards where the product can be used  

Organization  

Design  

Standard  

Description  

Designed for applications acc.  

IEC/UL 62368-1  

IEC 62368-1 includes the basic requirements for safety of audio, video,  

information technology and office equipment.  

Compliances  

The product complies with following Guide Lines  

Identification  

Details  

Initiator  

Description  

SCHURTER AG  

The CE marking declares that the product complies with the applicable  

requirements laid down in the harmonisation of Community legislation on  

its affixing in accordance with EU Regulation 765/2008.  

SCHURTER AG  

SCHURTER AG  

SCHURTER AG  

Directive RoHS 2011/65/EU, Amendment (EU) 2015/863  

The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March  

2007. It is similar to the EU directive RoHS.  

On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration,  

Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as  

“REACH”) entered into force.  

1

EMC Products  

Suppression Chokes  

DSF  

Dimension [mm]  

Case 04-1  

Case 15-1  

1605

±±0.  

.0±  

.704 max0  

1.04

±±0.  

.0.  

1708 max0  

3

4

3

4

.

1

±

.

1

1±

±±0.  

-±05  

305  

±

15

±±0.  

-±05  

305  

Diagrams  

Application in DC-DC Converter  

1)  

2)  

1) DC-Input unregulated  

2) DC-Output regulated  

Derating Curves  

Inductance variation as function of the magnetizing current  

All Variants  

I

n

[A]  

L

n

[mH]  

R

cu  

[m

Ω

]  

f

RES  

[MHz]  

Weight [g]  

Housings  

Packing unit [pcs.]  

Order Number  

█

0.6  

1.2  

2

0.5  

0.125  

0.045  

0.011  

3.7  

360  

90  

2.5  

6.5  

12  

32  

0.6  

1.8  

–

7g  

7g  

04-1  

04-1  

04-1  

04-1  

15-1  

15-1  

15-1  

15-1  

45  

45  

45  

45  

40  

40  

40  

40  

32  

7g  

4

8

7g  

0.45  

1

1900  

360  

160  

125  

1

8

g  

1

8

g  

1

8

g  

1

8

g  

0.75  

0.38  

0.23  

1.4  

1.8  

3.5  

2

EMC Products  

Suppression Chokes  

DSF  

I

n

[A]  

L

n

[mH]  

R

cu  

[m

Ω

]  

f

RES  

[MHz]  

Weight [g]  

Housings  

Packing unit [pcs.]  

Order Number  

3.15  

4.5  

0.075  

0.018  

0.037  

45  

10  

20  

7

1

8

g  

1

8

g  

1

8

g  

15-1  

15-1  

15-1  

40  

40  

40  

18  

10  

4.5  

█

Most Popula

r

.  

Availability for all products can be searched real-time:

The specifications, descriptions and illustrations indicated in this document are based on current  

information. All content is subject to modifications and amendments. Information furnished is believed  

to be accurate and reliable. Howeve

r

,

u

sers should independently evaluate the suitability and test each  

product selected for their own applications.  

3

EMC Products