Suppression Chokes
https://www.schurter.com /PG81_82
DFKF
Magnetically Compensated Choke, 1-phase, flat design
Approvals and Compliances
Description
-
-
-
-
-
Current compensated choke
1-phase choke
THT-terminals
Inductor horizontally positioned in housing
SMD version on request
Applications
-
-
-
-
-
Attenuation of common mode interferences
Designed for 230/400 VAC applications
Chopper amplifiers
DC drives and stepper motor controls
Switching power supplies
Weblinks
pdf datasheet, html-datasheet, General Product Information, Distributor-
Stock-Check, Detailed request for product, SPICE Library
Technical Data
Rated voltage
Rated Current
Rated inductance
Power Operating Frequency
Terminal Type
Weight
Material: Housing
Sealing Compound
up to 440 VAC
0.4 - 6.3 A @ Ta 40 °C
0.6 - 40 mH, Tol. -30% +50%
50 - 400 Hz
THT
5 - 16 g
UL 94V-0
UL 94V-0
Test Voltage
Isolation Voltage
Climatic Category
Allowable Operation Temp.
1.8 kV, 50 Hz, 1 min, winding to winding
2 kV eff., winding to ambient
25/100/21 acc. to IEC 60068-1
-25 °C to 100 °C
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
Details about
Approvals
Approvals
The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.
Approval Reference Type: DFKF2
Approval Logo
Certificates
UL Approvals
Certification Body
UL
Description
UL File Number:
Application standards
Application standards where the product can be used
Organization
Design
Designed for applications acc.
Standard
IEC/UL 60950
Description
IEC 60950-1 includes the basic requirements for the safety of information
technologyequipment.
EMC Products
1
DFKF
Compliances
The product complies with following Guide Lines
Identification
Details
CE declaration of conformity
Initiator
SCHURTER AG
Description
https://www.schurter.com /PG81_82
Suppression Chokes
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.
EU Directive RoHS 2011/65/EU
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.
RoHS
China RoHS
REACH
SCHURTER AG
SCHURTER AG
SCHURTER AG
Dimension [mm]
Case 04-2
Case 15-2
12.4
±0.2
2.2
15
±0.2
17.8 max.
3
4
16.5
±0.2
2.0
18.2 max.
27.4 max.
3
4
0.6 x 0.88
3.5
-0.5
0
2
1
10
±0.2
0.6 x 0.88
3.5
-0.5
0
2
15
±0.2
1
Diagrams
RFI suppression of switching power supply
Noise suppression filter
1)
2)
1)
3)
2)
3)
1) Power line
2) Switching Power Supply
3) Interference current
1) Power line
2) Equipment
3) Interference current
2
EMC Products
28.3 max.
25
±0.2
Suppression Chokes
https://www.schurter.com /PG81_82
DFKF
Impedance curves
DFKF-18-xxxx
z [Ω]
1M
0.4A
100k
0.6A
1.2A
1.5A
100k
DFKF-28-xxxx
z [Ω]
1M
0.6 A
1A
1.4 A
2A
10k
10k
1k
2A
4A
1k
4A
6.3 A
100
100
10
10k
100k
1M
10M f [Hz]
10
10k
100k
1M
10M f [Hz]
All Variants
I
n
[A]
0.4
0.6
1
1.2
1.4
1.5
2
2
4
4
6.3
L
n
[mH]
40
40
20
6.8
27
3.3
1.8
6
0.7
1.5
0.6
R
cu
[mΩ]
1200
1000
360
200
310
110
60
100
16
28
13
Power
loss
[W]
0.4
0.7
0.7
0.6
-
0.5
-
0.8
0.5
0.9
1
f
RES
[MHz]
0.11
0.2
0.28
0.45
-
1.2
-
0.3
2.5
1.3
2.5
Weight [g]
5g
16 g
16 g
5g
16 g
5g
5g
16 g
5g
16 g
16 g
Housings
04-2
15-2
15-2
04-2
15-2
04-2
04-2
15-2
04-2
15-2
15-2
Packing unit [pcs.]
48
40
40
45
40
45
45
40
45
40
40
Order Number
DFKF-18-0001
DFKF-28-0001
DFKF-28-0002
DFKF-18-0003
DFKF-28-0003
DFKF-18-0004
DFKF-18-0005
DFKF-28-0004
DFKF-18-0006
DFKF-28-0005
DFKF-28-0006
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Most Popular.
Availability for all products can be searched real-time:https://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
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. However, users should independently evaluate the suitability and test each
product selected for their own applications.
EMC Products
3
30.11.2017
