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DFSG DFSG - Saturation choke en IM0005188

Series: DFSG

Saturating Choke

Free Sample Request

8 Variants


  • Saturating choke
  • THT-terminals
  • Based on laminated iron core
  • Fully potted resign


  • Phase angle control circuits with thyristors, triacs or transistors
  • The choke acts at its optimum when it is mounted directly at the interference originator (thyristor, triac)

Rated voltage

Rated voltage

Corresponds to the electrical voltage during normal operation.The nominal voltage is specified as the rated voltage and referenced in most cases to an IEC standard, which is referenced as a test basis for the operating parameters.
The nominal voltage is called depending on the operating condition, with AC voltage it is indicated VAC, and in the case of DC voltage as VDC.

up to 440 VAC

Rated Current

Rated Current

The electrical characteristics describe the approved operating values for the state of rated current and rated voltage considering the mentioned conditions.
General information on electrical characteristics colors of fuses
Ratings IEC, UL/CSA General information on the rated current and the rated voltage at EMC products
Rated Voltage Rated current The values are different depending on the approval body and therefore are referenced in the corresponding admission cards for the respective product families. Details about the approvals and ratings are listed in the data sheets.
Search approval information for different families

0.8 - 10 A @ Ta 45 °C

Power Operating Frequency

50/60 Hz

Terminal Type

THT, Flexible wire


14 - 86 g

Material: Housing

UL 94V-0 

Sealing Compound

UL 94V-0 

Isolation Voltage

2 kV eff., winding to ambient

Climatic Category

Climatic Category

Disposition of components in categories for the assessment of mechanical and electrical properties.
Climatic Category

25/100/21 acc. to IEC 60068-1

Allowable Operation Temp.

-25 °C to 100 °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
Partners IEC_Certification_Body Designed for applications acc. IEC/UL 60950 IEC 60950-1 includes the basic requirements for the safety of information technology equipment.


The product complies with following Guide Lines

Identification Details Initiator Description
Approval marks CE Selbsteklaration 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.
Environment_Safety RoHS_Logo_color_CMYK_tif SCHURTER AG Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
Environment_Safety China_RoHS_e_konform_eps 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.
Environment_Safety 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.


Picture(s) Selection of product pictures to display a specific variant of the type


Type Corresponds to a product series and includes various distinct variants. On the type of descriptive data are summarized, eg in the data sheet

Order Number

Order Number Unique part number for placing an order

Configuration key

Configuration key The configuration key of a product consists of the composite key values, which describe the different kinds of attribut distinction.


Comment CAD drawings are for modeling purposes only

Model Description

Model Description Abbreviated description of the CAD model


IGS Also mentioned as IGES ( Initial Graphics Exchange Specification). Common program indipendent interchange format for 3D CAD data.


Step Also mentioned as STEP ( Standard for the Exchange of Product Model Data). Common program indipendent interchange format for 3D CAD data standardized according ISO standard.


Parasolid Parasolid modeling kernel is a 3D CAD systems. It is developed by a separate business unit within the Unigraphics Solutions (UGS), now Siemens PLM Software.


DXF (Drawing Interchange Format) is a specified by the Autodesk file format for CAD data exchange, and was developed for the 2D-CAD program AutoCAD. A DXF file describes a CAD model as plain text to the ASCII standard.

DFSG-20-0001 DFSG-20-0002
DFSG-25-0001 DFSG-25-0002
DFSG-30-0001 DFSG-30-0002
DFSG-33-0001 DFSG-33-0002

Dimension [mm]

Case 00

Case 08

Case 17

Case 21


Interference suppression with resistive load, 2-phase
1) Line
2) Load
Interference suppression with resisitive load, 2-stage
DFSG: Radio interference suppression saturation choke
DFK: Radio interference suppression choke magnetically condensated
1) Line
2) Load
Interference suppression with resistive load, < 10A, e.g. dimmers circuit (DFSG)
1) Line
2) Load
3) only to protection class I
Interference suppression with inductive load
1) Line
2) Load

Derating Curves

% of nominal current
Allowed current versus ambient temperature

Short Table of Variants DFSG Open complete table DFSG

In [A] Rcu [mΩ] Weight [g] Order Number

Variant Details

The link on the respective order number refers to a separat tab with specific detailed information .
This assures better readable information of the selected product.
Change to the tab All Products in order to show details of another variant.
This approach offers to use generic alias link to the product details:
www.schurter.xx/art/ [Order Number]
where the following variables are used:
- xx is the country specific domain
- [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
Contact us for availability on other product variants, lead-times vary:
Contact-Form Availability for all products can be searched real-time. Enter part number and required quantity:
Stock Check SCHURTER

Free Sample

Free Sample

Please ask for free sample in order to check if the products meets your requirement for your application. Send your delivery adress and your specific requirements.

Distributor Stock Check

Distributor Stock Check

The following links refers to the inquiry form for distributors stock information of the selected products. It allows checking for the available amount and optionally to place an order at your selected partner.
The stock availability at the distributors may also be called up separately and the desired product manually entered.
Stock Check Distributor

0.8 1300 14 g DFSG-20-0001 ...
1.5 450 14 g DFSG-20-0002 ...
2 260 29 g DFSG-25-0001 ...
3 100 29 g DFSG-25-0002  A  ...
3 165 55 g DFSG-30-0001 ...
6 60 55 g DFSG-30-0002  A  ...
5 70 86 g DFSG-33-0001 ...
10 30 86 g DFSG-33-0002  A  ...

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