Magnetic products

Common mode chokes

Ole Wolff offers a broad range of common mode chokes.

Typically used in AC-DC power converters, for EMI/RF suppression etc.

Custom solutions available! Ole wolff specializes in custom solutions at competitive prices to suit your specific project.

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Product ID
L [mm]
W [mm]
H [mm]
Inductance [uH]
DCR max [mOhm]
Irms [A] (typ)
Product image
Samples
OWIRHB0704B-2R5M
OWIRHB0704B-2R5M
7.3
7.3
4.8
2.50 uH
19.80
-
OWIRHB0704B-3R3M
OWIRHB0704B-3R3M
7.3
7.3
4.8
3.30 uH
24.20
-
OWIRHB127B-4R7M
OWIRHB127B-4R7M
12.0
12.0
8.5
4.70 uH
20.90
-
OWIRHB125B-4R7M
OWIRHB125B-4R7M
12.0
12.0
6.5
4.70 uH
19.80
-
OWIRHB0704B-4R7M
OWIRHB0704B-4R7M
7.3
7.3
4.8
4.70 uH
28.60
-
OWIRHB127B-5R6M
OWIRHB127B-5R6M
12.0
12.0
8.5
5.60 uH
25.30
-
OWIRHB125B-5R6M
OWIRHB125B-5R6M
12.0
12.0
6.5
5.60 uH
22.00
-
OWIRHB0704B-5R6M
OWIRHB0704B-5R6M
7.3
7.3
4.8
5.60 uH
35.20
-
OWIRHB127B-6R8M
OWIRHB127B-6R8M
12.0
12.0
8.5
6.80 uH
26.40
-
OWIRHB125B-6R8M
OWIRHB125B-6R8M
12.0
12.0
6.5
6.80 uH
26.40
-
OWIRHB0704B-6R8M
OWIRHB0704B-6R8M
7.3
7.3
4.8
6.80 uH
38.50
-
OWIRHB127B-8R2M
OWIRHB127B-8R2M
12.0
12.0
8.5
8.20 uH
27.50
-
OWIRHB125B-8R2M
OWIRHB125B-8R2M
12.0
12.0
6.5
8.20 uH
28.60
-
OWIRHB0704B-8R2M
OWIRHB0704B-8R2M
7.3
7.3
4.8
8.20 uH
47.30
-
OWIRHB127B-100M
OWIRHB127B-100M
12.0
12.0
8.5
10.00 uH
31.90
-
OWIRHB125B-100M
OWIRHB125B-100M
12.0
12.0
6.5
10.00 uH
33.00
-
OWIRHB0704B-100N
OWIRHB0704B-100N
7.3
7.3
4.8
10.00 uH
79.20
-
OWIRHB0704B-100M
OWIRHB0704B-100M
7.3
7.3
4.8
10.00 uH
55.00
-
OWIRHB127B-120M
OWIRHB127B-120M
12.0
12.0
8.5
12.00 uH
34.10
-
OWIRHB125B-120M
OWIRHB125B-120M
12.0
12.0
6.5
12.00 uH
40.70
-
OWIRHB0704B-120M
OWIRHB0704B-120M
7.3
7.3
4.8
12.00 uH
66.00
-
OWIRHB0704B-130N
OWIRHB0704B-130N
7.3
7.3
4.8
13.20 uH
96.80
-
OWIRHB127B-150M
OWIRHB127B-150M
12.0
12.0
8.5
15.00 uH
39.60
-
OWIRHB125B-150M
OWIRHB125B-150M
12.0
12.0
6.5
15.00 uH
46.20
-
OWIRHB0704B-150M
OWIRHB0704B-150M
7.3
7.3
4.8
15.00 uH
77.00
-
OWIRHB127B-180M
OWIRHB127B-180M
12.0
12.0
8.5
18.00 uH
44.00
-
OWIRHB125B-180M
OWIRHB125B-180M
12.0
12.0
6.5
18.00 uH
52.80
-
OWIRHB0704B-180M
OWIRHB0704B-180M
7.3
7.3
4.8
18.00 uH
93.50
-
OWIRHB127B-180N
OWIRHB127B-180N
12.0
12.0
8.5
18.80 uH
83.60
-
OWIRHB125B-180N
OWIRHB125B-180N
12.0
12.0
6.5
18.80 uH
79.20
-
OWIRHB0704B-180N
OWIRHB0704B-180N
7.3
7.3
4.8
18.80 uH
112.00
-
OWIRHB127B-220M
OWIRHB127B-220M
12.0
12.0
8.5
22.00 uH
52.80
-
OWIRHB125B-220M
OWIRHB125B-220M
12.0
12.0
6.5
22.00 uH
63.80
-
OWIRHB0704B-220M
OWIRHB0704B-220M
7.3
7.3
4.8
22.00 uH
121.00
-
OWIRHB127B-220N
OWIRHB127B-220N
12.0
12.0
8.5
22.40 uH
101.00
-
OWIRHB125B-220N
OWIRHB125B-220N
12.0
12.0
6.5
22.40 uH
88.00
-
OWIRHB0704B-220N
OWIRHB0704B-220N
7.3
7.3
4.8
22.40 uH
138.00
-
OWIRHB127B-270M
OWIRHB127B-270M
12.0
12.0
8.5
27.00 uH
66.00
-
OWIRHB125B-270M
OWIRHB125B-270M
12.0
12.0
6.5
27.00 uH
68.20
-
OWIRHB0704B-271M
OWIRHB0704B-271M
7.3
7.3
4.8
27.00 uH
137.00
-
OWIRHB127B-270N
OWIRHB127B-270N
12.0
12.0
8.5
27.20 uH
105.00
-
OWIRHB125B-270N
OWIRHB125B-270N
12.0
12.0
6.5
27.20 uH
104.00
-
OWIRHB0704B-270N
OWIRHB0704B-270N
7.3
7.3
4.8
27.20 uH
154.00
-
OWIRHB127B-320N
OWIRHB127B-320N
12.0
12.0
8.5
32.80 uH
110.00
-
OWIRHB125B-320N
OWIRHB125B-320N
12.0
12.0
6.5
32.80 uH
114.00
-
OWIRHB0704B-320N
OWIRHB0704B-320N
7.3
7.3
4.8
32.80 uH
189.00
-
OWIRHB127B-330M
OWIRHB127B-330M
12.0
12.0
8.5
33.00 uH
82.50
-
OWIRHB125B-330M
OWIRHB125B-330M
12.0
12.0
6.5
33.00 uH
73.70
-
OWIRHB0704B-331M
OWIRHB0704B-331M
7.3
7.3
4.8
33.00 uH
165.00
-
OWIRHB127B-390M
OWIRHB127B-390M
12.0
12.0
8.5
39.00 uH
88.00
-
OWIRHB125B-390M
OWIRHB125B-390M
12.0
12.0
6.5
39.00 uH
78.10
-
OWIRHB0704B-391M
OWIRHB0704B-391M
7.3
7.3
4.8
39.00 uH
209.00
-
OWIRHB127B-400N
OWIRHB127B-400N
12.0
12.0
8.5
40.00 uH
127.00
-
OWIRHB125B-400N
OWIRHB125B-400N
12.0
12.0
6.5
40.00 uH
132.00
-
OWIRHB0704B-400N
OWIRHB0704B-400N
7.3
7.3
4.8
40.00 uH
220.00
-
OWIRHB127B-470M
OWIRHB127B-470M
12.0
12.0
8.5
47.00 uH
99.00
-
OWIRHB125B-470M
OWIRHB125B-470M
12.0
12.0
6.5
47.00 uH
95.70
-
OWIRHB0704B-471M
OWIRHB0704B-471M
7.3
7.3
4.8
47.00 uH
231.00
-
OWIRHB127B-480N
OWIRHB127B-480N
12.0
12.0
8.5
48.00 uH
136.00
-
OWIRHB125B-480N
OWIRHB125B-480N
12.0
12.0
6.5
48.00 uH
161.00
-
OWIRHB0704B-480N
OWIRHB0704B-480N
7.3
7.3
4.8
48.00 uH
264.00
-
OWIRHB127B-560M
OWIRHB127B-560M
12.0
12.0
8.5
56.00 uH
104.00
-
OWIRHB125B-560M
OWIRHB125B-560M
12.0
12.0
6.5
56.00 uH
108.00
-
OWIRHB0704B-561M
OWIRHB0704B-561M
7.3
7.3
4.8
56.00 uH
297.00
-
OWIRHB127B-600N
OWIRHB127B-600N
12.0
12.0
8.5
60.00 uH
158.00
-
OWIRHB125B-600N
OWIRHB125B-600N
12.0
12.0
6.5
60.00 uH
187.00
-
OWIRHB0704B-600N
OWIRHB0704B-600N
7.3
7.3
4.8
60.00 uH
308.00
-
OWIRHB127B-680M
OWIRHB127B-680M
12.0
12.0
8.5
68.00 uH
115.00
-
OWIRHB125B-680M
OWIRHB125B-680M
12.0
12.0
6.5
68.00 uH
118.00
-
OWIRHB0704B-681M
OWIRHB0704B-681M
7.3
7.3
4.8
68.00 uH
352.00
-
OWIRHB127B-720N
OWIRHB127B-720N
12.0
12.0
8.5
72.00 uH
173.00
-
OWIRHB125B-720N
OWIRHB125B-720N
12.0
12.0
6.5
72.00 uH
213.00
-
OWIRHB0704B-720N
OWIRHB0704B-720N
7.3
7.3
4.8
72.00 uH
374.00
-
OWIRHB127B-820M
OWIRHB127B-820M
12.0
12.0
8.5
82.00 uH
154.00
-
OWIRHB125B-820M
OWIRHB125B-820M
12.0
12.0
6.5
82.00 uH
150.00
-
OWIRHB0704B-821M
OWIRHB0704B-821M
7.3
7.3
4.8
82.00 uH
396.00
-
OWIRHB127B-880N
OWIRHB127B-880N
12.0
12.0
8.5
88.00 uH
209.00
-
OWIRHB125B-880N
OWIRHB125B-880N
12.0
12.0
6.5
88.00 uH
255.00
-
OWIRHB0704B-880N
OWIRHB0704B-880N
7.3
7.3
4.8
88.00 uH
484.00
-
OWIRHB127B-101M
OWIRHB127B-101M
12.0
12.0
8.5
100.00 uH
165.00
-
OWIRHB125B-101M
OWIRHB125B-101M
12.0
12.0
6.5
100.00 uH
177.00
-
OWIRHB0704B-101M
OWIRHB0704B-101M
7.3
7.3
4.8
100.00 uH
495.00
-
OWIRHB127B-101N
OWIRHB127B-101N
12.0
12.0
8.5
108.00 uH
264.00
-
OWIRHB125B-101N
OWIRHB125B-101N
12.0
12.0
6.5
108.00 uH
272.00
-
OWIRHB0704B-101N
OWIRHB0704B-101N
7.3
7.3
4.8
108.00 uH
550.00
-
OWIRHB127B-121M
OWIRHB127B-121M
12.0
12.0
8.5
120.00 uH
225.00
-
OWIRHB125B-121M
OWIRHB125B-121M
12.0
12.0
6.5
120.00 uH
229.00
-
OWIRHB0704B-121M
OWIRHB0704B-121M
7.3
7.3
4.8
120.00 uH
616.00
-
OWIRHB127B-131N
OWIRHB127B-131N
12.0
12.0
8.5
132.00 uH
330.00
-
OWIRHB125B-131N
OWIRHB125B-131N
12.0
12.0
6.5
132.00 uH
294.00
-
OWIRHB0704B-131N
OWIRHB0704B-131N
7.3
7.3
4.8
132.00 uH
660.00
-
OWIRHB127B-151M
OWIRHB127B-151M
12.0
12.0
8.5
150.00 uH
253.00
-
OWIRHB125B-151M
OWIRHB125B-151M
12.0
12.0
6.5
150.00 uH
261.00
-
OWIRHB0704B-151M
OWIRHB0704B-151M
7.3
7.3
4.8
150.00 uH
742.00
-
OWIRHB127B-151N
OWIRHB127B-151N
12.0
12.0
8.5
156.00 uH
352.00
-
OWIRHB125B-151N
OWIRHB125B-151N
12.0
12.0
6.5
156.00 uH
312.00
-
OWIRHB0704B-151N
OWIRHB0704B-151N
7.3
7.3
4.8
156.00 uH
836.00
-
OWIRHB127B-181M
OWIRHB127B-181M
12.0
12.0
8.5
180.00 uH
280.00
-
OWIRHB125B-181M
OWIRHB125B-181M
12.0
12.0
6.5
180.00 uH
294.00
-
OWIRHB0704B-181M
OWIRHB0704B-181M
7.3
7.3
4.8
180.00 uH
913.00
-
OWIRHB127B-181N
OWIRHB127B-181N
12.0
12.0
8.5
188.00 uH
396.00
-
OWIRHB125B-181N
OWIRHB125B-181N
12.0
12.0
6.5
188.00 uH
382.00
-
OWIRHB0704B-181N
OWIRHB0704B-181N
7.3
7.3
4.8
188.00 uH
924.00
-
OWIRHB127B-221M
OWIRHB127B-221M
12.0
12.0
8.5
220.00 uH
379.00
-
OWIRHB125B-221M
OWIRHB125B-221M
12.0
12.0
6.5
220.00 uH
380.00
-
OWIRHB0704B-221M
OWIRHB0704B-221M
7.3
7.3
4.8
220.00 uH
1210.00
-
OWIRHB127B-221N
OWIRHB127B-221N
12.0
12.0
8.5
224.00 uH
418.00
-
OWIRHB125B-221N
OWIRHB125B-221N
12.0
12.0
6.5
224.00 uH
435.00
-
OWIRHB0704B-221N
OWIRHB0704B-221N
7.3
7.3
4.8
224.00 uH
1188.00
-
OWIRHB127B-271M
OWIRHB127B-271M
12.0
12.0
8.5
270.00 uH
495.00
-
OWIRHB125B-271M
OWIRHB125B-271M
12.0
12.0
6.5
270.00 uH
443.00
-
OWIRHB0704B-271M
OWIRHB0704B-271M
7.3
7.3
4.8
270.00 uH
1430.00
-
OWIRHB127B-271N
OWIRHB127B-271N
12.0
12.0
8.5
272.00 uH
462.00
-
OWIRHB125B-271N
OWIRHB125B-271N
12.0
12.0
6.5
272.00 uH
475.00
-
OWIRHB0704B-271N
OWIRHB0704B-271N
7.3
7.3
4.8
272.00 uH
1408.00
-
OWIRHB127B-321N
OWIRHB127B-321N
12.0
12.0
8.5
328.00 uH
616.00
-
OWIRHB125B-321N
OWIRHB125B-321N
12.0
12.0
6.5
328.00 uH
602.00
-
OWIRHB0704B-321N
OWIRHB0704B-321N
7.3
7.3
4.8
328.00 uH
1584.00
-
OWIRHB127B-331M
OWIRHB127B-331M
12.0
12.0
8.5
330.00 uH
561.00
-
OWIRHB125B-331M
OWIRHB125B-331M
12.0
12.0
6.5
330.00 uH
600.00
-
OWIRHB0704B-331M
OWIRHB0704B-331M
7.3
7.3
4.8
330.00 uH
1760.00
-
OWIRHB127B-391M
OWIRHB127B-391M
12.0
12.0
8.5
390.00 uH
616.00
-
OWIRHB125B-391M
OWIRHB125B-391M
12.0
12.0
6.5
390.00 uH
660.00
-
OWIRHB0704B-391M
OWIRHB0704B-391M
7.3
7.3
4.8
390.00 uH
2310.00
-
OWIRHB127B-401N
OWIRHB127B-401N
12.0
12.0
8.5
400.00 uH
660.00
-
OWIRHB125B-401N
OWIRHB125B-401N
12.0
12.0
6.5
400.00 uH
706.00
-
OWIRHB0704B-401N
OWIRHB0704B-401N
7.3
7.3
4.8
400.00 uH
1980.00
-
OWIRHB127B-471M
OWIRHB127B-471M
12.0
12.0
8.5
470.00 uH
841.00
-
OWIRHB125B-471M
OWIRHB125B-471M
12.0
12.0
6.5
470.00 uH
874.00
-
OWIRHB0704B-471M
OWIRHB0704B-471M
7.3
7.3
4.8
470.00 uH
2585.00
-
OWIRHB127B-481N
OWIRHB127B-481N
12.0
12.0
8.5
480.00 uH
902.00
-
OWIRHB125B-481N
OWIRHB125B-481N
12.0
12.0
6.5
480.00 uH
917.00
-
OWIRHB0704B-481N
OWIRHB0704B-481N
7.3
7.3
4.8
480.00 uH
2464.00
-
OWIRHB127B-561M
OWIRHB127B-561M
12.0
12.0
8.5
560.00 uH
929.00
-
OWIRHB125B-561M
OWIRHB125B-561M
12.0
12.0
6.5
560.00 uH
995.00
-
OWIRHB0704B-561M
OWIRHB0704B-561M
7.3
7.3
4.8
560.00 uH
2915.00
-
OWIRHB127B-601N
OWIRHB127B-601N
12.0
12.0
8.5
600.00 uH
1012.00
-
OWIRHB125B-601N
OWIRHB125B-601N
12.0
12.0
6.5
600.00 uH
1047.00
-
OWIRHB0704B-601N
OWIRHB0704B-601N
7.3
7.3
4.8
600.00 uH
2970.00
-
OWIRHB127B-681M
OWIRHB127B-681M
12.0
12.0
8.5
680.00 uH
1259.00
-
OWIRHB125B-681M
OWIRHB125B-681M
12.0
12.0
6.5
680.00 uH
1133.00
-
OWIRHB0704B-681M
OWIRHB0704B-681M
7.3
7.3
4.8
680.00 uH
3850.00
-
OWIRHB127B-721N
OWIRHB127B-721N
12.0
12.0
8.5
720.00 uH
1122.00
-
OWIRHB125B-721N
OWIRHB125B-721N
12.0
12.0
6.5
720.00 uH
1179.00
-
OWIRHB0704B-721N
OWIRHB0704B-721N
7.3
7.3
4.8
720.00 uH
3652.00
-
OWIRHB127B-821M
OWIRHB127B-821M
12.0
12.0
8.5
820.00 uH
1402.00
-
OWIRHB125B-821M
OWIRHB125B-821M
12.0
12.0
6.5
820.00 uH
1457.00
-
OWIRHB0704B-821M
OWIRHB0704B-821M
7.3
7.3
4.8
820.00 uH
4290.00
-
OWIRHB127B-881N
OWIRHB127B-881N
12.0
12.0
8.5
880.00 uH
1518.00
-
OWIRHB125B-881N
OWIRHB125B-881N
12.0
12.0
6.5
880.00 uH
1520.00
-
OWIRHB0704B-881N
OWIRHB0704B-881N
7.3
7.3
4.8
880.00 uH
4840.00
-
OWIRHB127B-102M
OWIRHB127B-102M
12.0
12.0
8.5
1000.00 uH
1556.00
-
OWIRHB125B-102M
OWIRHB125B-102M
12.0
12.0
6.5
1000.00 uH
1683.00
-
OWIRHB0704B-102M
OWIRHB0704B-102M
7.3
7.3
4.8
1000.00 uH
5940.00
-
OWIRHB127B-102N
OWIRHB127B-102N
12.0
12.0
8.5
1080.00 uH
1980.00
-
OWIRHB125B-102N
OWIRHB125B-102N
12.0
12.0
6.5
1080.00 uH
1771.00
-
OWIRHB0704B-102N
OWIRHB0704B-102N
7.3
7.3
4.8
1080.00 uH
5720.00
-
OWIRHB127B-132N
OWIRHB127B-132N
12.0
12.0
8.5
1320.00 uH
2244.00
-
OWIRHB125B-132N
OWIRHB125B-132N
12.0
12.0
6.5
1320.00 uH
2398.00
-
OWIRHB0704B-132N
OWIRHB0704B-132N
7.3
7.3
4.8
1320.00 uH
7040.00
-
OWIRHB127B-152N
OWIRHB127B-152N
12.0
12.0
8.5
1560.00 uH
2464.00
-
OWIRHB125B-152N
OWIRHB125B-152N
12.0
12.0
6.5
1560.00 uH
2640.00
-
OWIRHB0704B-152N
OWIRHB0704B-152N
7.3
7.3
4.8
1560.00 uH
9240.00
-
OWIRHB127B-182N
OWIRHB127B-182N
12.0
12.0
8.5
1880.00 uH
3366.00
-
OWIRHB125B-182N
OWIRHB125B-182N
12.0
12.0
6.5
1880.00 uH
3498.00
-
OWIRHB0704B-182N
OWIRHB0704B-182N
7.3
7.3
4.8
1880.00 uH
10340.00
-
OWIRHB127B-222N
OWIRHB127B-222N
12.0
12.0
8.5
2240.00 uH
3718.00
-
OWIRHB125B-222N
OWIRHB125B-222N
12.0
12.0
6.5
2240.00 uH
3982.00
-
OWIRHB0704B-222N
OWIRHB0704B-222N
7.3
7.3
4.8
2240.00 uH
11660.00
-
OWIRHB127B-272N
OWIRHB127B-272N
12.0
12.0
8.5
2720.00 uH
5038.00
-
OWIRHB125B-272N
OWIRHB125B-272N
12.0
12.0
6.5
2720.00 uH
4532.00
-
OWIRHB0704B-272N
OWIRHB0704B-272N
7.3
7.3
4.8
2720.00 uH
15400.00
-
OWIRHB127B-322N
OWIRHB127B-322N
12.0
12.0
8.5
3280.00 uH
5610.00
-
OWIRHB125B-322N
OWIRHB125B-322N
12.0
12.0
6.5
3280.00 uH
5830.00
-
OWIRHB0704B-322N
OWIRHB0704B-322N
7.3
7.3
4.8
3280.00 uH
17160.00
-
OWIRHB127B-402N
OWIRHB127B-402N
12.0
12.0
8.5
4000.00 uH
6226.00
-
OWIRHB125B-402N
OWIRHB125B-402N
12.0
12.0
6.5
4000.00 uH
6732.00
-
OWIRHB0704B-402N
OWIRHB0704B-402N
7.3
7.3
4.8
4000.00 uH
23760.00
-
Ole Wolff Elektronik A/S | Roedengvej 14, 4180 Soroe, DK Denmark | +45 5783 3830 | sales@owolff.com