Series: DSF

Storage Choke, flat design

11 Variants

Approvals and Compliances

CAD

Description

Storage choke
THT-terminals
Inductor horizontally positioned in housing
Constant inductance at high alternating field modulation and large DC magnetization
Reduced magnetic reversal
SMD version on request

Applications

Storage of energy in switched power supplies
Switch-mode
Chopper amplifiers
DC drives and stepper motor controls

Detailed request for product

Details DSF

Technical Data

Approvals and Compliances

CAD-Drawings

Dimension

Electrical Data

Rated voltage

up to 600 VDC

Rated Current

0.45 - 4.5 A @ Ta 70 °C

Rated inductance

0.011 - 3.7 mH, Tol. ±15%

Power Operating Frequency

up to 1 MHz

Terminal Type

THT

Weight

7 - 18 g

Material

UL 94V-0

Sealing Compound

UL 94V-0

Isolation Voltage

2 kV eff., winding to ambient

Climatic Category

40/125/21 acc. to IEC 60068-1

Allowable Operation Temp.

-40 °C to 125 °C

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in Details about Approvals
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 agreements by SCHURTER.

Application standards

Application standards where the product can be used

Organization	Design	Standard	Description
	Suitable for applications acc.	IEC/UL 62368-1	Audio/video, information and communication technology equipment - Part 1: Safety requirements

Compliances

The product complies with following Guide Lines

Details	Initiator	Description
CE declaration of conformity	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.
UKCA declaration of conformity	SCHURTER AG	The UKCA marking declares that the product complies with the applicable requirements laid down in the British Amendment of Regulation (EC) 765/2008.
RoHS	SCHURTER AG	Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
China RoHS	SCHURTER AG	The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March 2007. It is similar to the EU directive RoHS.
REACH	SCHURTER AG	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.

Dimension [mm]

	Case 04-1

	Case 15-1

Diagrams

	Application in DC-DC Converter

	1) DC-Input unregulated 2) DC-Output regulated

Derating Curves



	Inductance variation as function of the magnetizing current

Short Table of Variants DSF Open complete table DSF

In [A]	Ln [mH]	Rcu [mΩ]	Order Number	A=Most Popular A=Most Popular Most popular products have the following customer benefits: - previously ordered by multiple customers - generally in stock for immediate delivery - early adoption or mature life cycle Availability for all products can be searched real-time. Enter part number and required quantity: Stock Check SCHURTER Contact us for availability on other product variants, lead-times vary: Contact Form	...

0.6	0.5	360	DSF-18-0002	A	...
1.2	0.125	90	DSF-18-0003		...
2	0.045	32	DSF-18-0005		...
4	0.011	8	DSF-18-0006		...
0.45	3.7	1900	DSF-28-0001		...
1	0.75	360	DSF-28-0003		...
1.4	0.38	160	DSF-28-0004		...
1.8	0.23	125	DSF-28-0005		...
3.15	0.075	45	DSF-28-0006		...
4.5	0.037	20	DSF-28-0007		...
4.5	0.018	10	DSF-28-0008		...
█ Most Popular.

Table of Variants DSF

In [A]	Ln [mH]	Rcu [mΩ]	fRES [MHz]	Weight [g]	Housing	Packing unit [pcs.]	Order Number	A=Most Popular A=Most Popular Most popular products have the following customer benefits: - previously ordered by multiple customers - generally in stock for immediate delivery - early adoption or mature life cycle Availability for all products can be searched real-time. Enter part number and required quantity: Stock Check SCHURTER Contact us for availability on other product variants, lead-times vary: Contact Form	PU Packaging unit The packaging unit is the amount of parts in a standard package. Please contact SCHURTER for further assistance: Contact Form

0.6	0.5	360	2.5	7 g	04-1	45	DSF-18-0002	A	45
1.2	0.125	90	6.5	7 g	04-1	45	DSF-18-0003		45
2	0.045	32	12	7 g	04-1	45	DSF-18-0005		45
4	0.011	8	32	7 g	04-1	45	DSF-18-0006		45
0.45	3.7	1900	0.6	18 g	15-1	40	DSF-28-0001		40
1	0.75	360	1.8	18 g	15-1	40	DSF-28-0003		40
1.4	0.38	160	-	18 g	15-1	40	DSF-28-0004		40
1.8	0.23	125	3.5	18 g	15-1	40	DSF-28-0005		40
3.15	0.075	45	7	18 g	15-1	40	DSF-28-0006		40
4.5	0.037	20	10	18 g	15-1	40	DSF-28-0007		40
4.5	0.018	10	18	18 g	15-1	40	DSF-28-0008		40
█ Most Popular.

References / Document Downloads

19.08.2024

Transformation_Date:	2024-08-19 15:14:45
Export_Path:	/Datasheets_PrGrp_Workflow/DS_PrGrp_WF_EMV/DS_PrGrp_WF_EMV_PG81/2024_08_19/12_57_30_157_551869/PGRSplits/
Export_Lang:	en
SGE_Name:	EMC Products
PG_Name:	Suppression Chokes
Typ_Name:	DSF
Typ_AliasNames:	:dsf:
Typ_ID:	976
Typ_Hierarchie:	800810130000006065
Typ_EPIM_Order:	270
Typ_Titel:	Storage Choke, flat design
PublPrgr_Name:	Inductor
PublPrgr_Shortcut:	PG81_82
Variant table:	EMV_Variantentab_DLF_DLNP_DLH_DSF_DSH/P_EMV11 (48598)