SCHURTER DFK-20

DFK
Suppression Chokes
www.schurter.com/pg81_82
Magnetically Compensated Choke, 1- and 3-phase
Description
Applications
-Current compensated choke
-1‑ or 3‑phase choke
-THT terminals or wire leads
-Flange for mounting onto printed circuit board
-Fully potted resign
-Attenuation of common mode interferences
-May also be used in direct current applications where magnetic compensation is required
-Designed for 230/400 VAC applications
Standards
General Product Information
References
-EN 60938
-IEC 60950
-T.2
-VDE 0565
Weblinks
Approvals, RoHS, CHINA-RoHS, e-Store, Distributor-Stock-Check
Technical Data
Rated voltage
Rated Current
Rated inductance
Power Operating Frequency
Terminal technic
Weight
Material: Housing
Sealing Compound
up to 440 VAC
0.5 - 15 A @ Ta 40 °C
1 - 20 mH, Tol. -30% +50%
50 - 400 Hz
THT, Flexible wire
6 - 163 g
UL 94V-0 UL 94V-0 Dimensions
Case 03
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
Case 07
15
=
20
15
=
17.5
=
=
12.5
2
15
12.5
16.5
10
4.5 ±0.5
20
EMC Products
15
4.5 ±0.5
DFK
Suppression Chokes
www.schurter.com/pg81_82
Case 11
Case 12
=
25
17.5
20
=
25
=
=
15
2.5
17.5
15
25
4.5 ±0.5
15
Case 20
20
25
Case 25-2
40
22.5
30.8
4.8
40
=
32
27.5
33
ø8
=
32
27.5
4.5 ±0.5
15
33
Case 29-4
48
30.8
5.8
150
10...20
48
38.2
ø8
38.2
3.1
4.5 ±0.5
EMC Products
3.1
150
10...20
DFK
Suppression Chokes
www.schurter.com/pg81_82
Diagrams
LN: Radio interference suppression choke (magnetically compensated DF)
LS: Radio interference suppression choke (magnetically saturated DFS/DFL)
Variants
In [A]
Ln [mH]
Rcu
[mΩ]
fRES
[MHz]
Copper ø
[mm]
Weight
[g]
Housing Packing Order
unit
Number
0.5
10
900
0.5
0.5
6
03
100
DFK-
1
10
500
0.7
0.6
12
07
150
DFK-20-
1
20
500
0.5
0.6
12
07
150
DFK-20-
1
10
510
0.5
0.6
18
11
50
DFK-25-
2
10
250
0.5
0.6
18
12
50
DFK-25-
2
20
250
0.3
0.6
37
20
45
DFK-33-
3
10
150
0.38
0.6
37
20
45
DFK-33-
6
4
27
0.4
-
127
25-2
10
DFK-40-
10
2
9
1.45
-
127
25-2
10
DFK-40-
15
1
10
1.45
2.5 x 2.5
127
25-2
10
DFK-40-
6
4 x 1.5
20
0.2
1.5 x 1.5
163
29-4
10
DFK-48-
The specifications, descriptions and illustrations indicated in this document
are based on
EMC Products
current information. All content is subject to modifications and amendments.