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Suppression Chokes DFK
www.schurter.com/PG81
EMC Products
Magnetically Compensated Choke, 1- and 3-phase
Description
- Current compensated choke
- 1- or 3-phase choke
- THT terminals or wire leads
- Flange for mounting onto printed circuit board
- Fully potted resign
Standards
- EN 60938
- UL 1283
- CSA 22.2 no 8
Applications
- Attenuation of common mode interferences
- May also be used in direct current applications where magnetic com-
pensation is required
- Designed for 230/400 VAC applications
Weblinks
pdf-datasheet, html-datasheet, General Product Information, Approvals,
CE declaration of conformity, RoHS, CHINA-RoHS, REACH, e-Shop,
SCHURTER-Stock-Check, Distributor-Stock-Check, Detailed request for
product
Technical Data
Rated voltage up to 440 VAC
Rated Current 0.5 - 15 A @ Ta 40 °C
Rated inductance 1 - 20 mH, Tol. -30% +50%
Power Operating Frequency 50 - 400 Hz
Terminal technic THT, Flexible wire
Weight 6 - 163 g
Material: Housing UL 94V-0
Sealing Compound UL 94V-0
Test Voltage 1.8 kV, 50 Hz, 1 min, winding to winding
Isolation Voltage 2 kV eff., winding to ambient
Climatic Category 25/100/21 acc. to IEC 60068-1
Allowable Operation Temp. -25 °C to 100 °C
Dimension
Case 03
17.5
4.5 ±0.5
15 ==
12.52
16.5 10
Case 07
20
15 ==
12.5
15
20 15 4.5 ±0.5
3
Suppression Chokes DFK
www.schurter.com/PG81
EMC Products
Diagrams
LN: Radio interference suppression choke (magnetically compensated DF)
LS: Radio interference suppression choke (magnetically saturated DFS/DFL)
Impedance curves
DFK-175-xxxx, DFK-20-xxxxx
10k 100k 1M 10M f [Hz]
z [Ω]
1M
100k
10k
1k
100
10
DFK-175-0001
DFK-20-0001
DFK-20-0002
DFK-25-xxxx, DFK-40-xxxxx
10k 100k 1M 10M f [Hz]
z [Ω]
1M
100k
10k
1k
100
10
DFK-25-0001
DFK-25-0002
DFK-40-0003
DFK-40-0004
DFK-40-0005
DFK-33-xxxx, DFK-48-xxxxx
10k 100k 1M 10M f [Hz]
z [Ω]
1M
100k
10k
1k
100
10
DFK-33-0001
DFK-33-0002
DFK-48-0008
All Variants
In [A] Ln [mH] Rcu [mΩ] fRES [MHz] Copper ø
[mm]
Weight [g] Housing Packing unit [pcs.] Order Number
0.5 10 900 0.5 0.5 6 g 03 100 DFK-175-0001
1 10 500 0.7 0.6 12 g 07 150 DFK-20-0001
1 20 500 0.5 0.6 12 g 07 150 DFK-20-0002
1 10 510 0.5 0.6 18 g 11 50 DFK-25-0001
2 10 250 0.5 0.6 18 g 12 50 DFK-25-0002
2 20 250 0.3 0.6 37 g 20 45 DFK-33-0001
3 10 150 0.38 0.6 37 g 20 45 DFK-33-0002
6 4 27 0.4 - 127 g 25-2 10 DFK-40-0003
10 2 9 1.45 - 127 g 25-2 10 DFK-40-0004
15 1 10 1.45 2.5 x 2.5 127 g 25-2 10 DFK-40-0005
6 4 x 1.5 20 0.2 1.5 x 1.5 163 g 29-4 10 DFK-48-0008
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Suppression Chokes
DFK www.schurter.com/PG81
EMC Products
In [A] Ln [mH] Rcu [mΩ] fRES [MHz] Copper ø
[mm]
Weight [g] Housing Packing unit [pcs.] Order Number
Availability for all products can be searched real-time:http://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.
03.03.2015
