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Ferrite cores

Core shape
Air gap
Material
AL value
Unit:
Tolerance
Outer diameter
Unit:
Inner diameter
Unit:
Length
Unit:
Width
Unit:
Height
Unit:
51 items in 215 variations
*incl. VAT plus shipping costs
Item description
Total
Core shape
Air gap
Material
AL value
Tolerance
Outer diameter
Inner diameter
Length
Width
Height
U core, N27, 5400 nH, -20/+30 %, (L x W x H) 93 x 76 x 20 mm
Manufacturer SKU:
 B67345B0001X027
16 pcs. 36.9614 €
80 pcs. 29.3930 €
36.9614 € - 29.3930 €
16 pcs.
591.38 € *
U
no air gap
N27
5400 nH
-20/+30 %
93 mm
76 mm
20 mm
PQ core, N87, 4500 nH, -20/+30 %, (L x W x H) 35.1 x 35 x 17.4 mm
Manufacturer SKU:
 B65881A0000R087
288 pcs. 7.1995 €
720 pcs. 6.9853 €
7.1995 € - 6.9853 €
0 pcs.
7.20 € *
PQ
no air gap
N87
4500 nH
-20/+30 %
35.1 mm
35 mm
17.4 mm
E core, N87, 526 nH, (L x W x H) 65 x 32.8 x 27.4 mm
Manufacturer SKU:
 B66387G1500X187
1 pcs. 9.5319 €
28 pcs. 8.3776 €
56 pcs. 8.1039 €
112 pcs. 7.8183 €
504 pcs. 7.2947 €
9.5319 € - 7.2947 €
112 pcs.
9.53 € *
E
1.5 mm
N87
526 nH
65 mm
32.8 mm
27.4 mm
E core, N87, 9700 nH, -20/+30 %, (L x W x H) 70.5 x 32 x 33.2 mm
Manufacturer SKU:
 B66371G0000X187
90 pcs. 10.1031 €
450 pcs. 9.5081 €
10.1031 € - 9.5081 €
0 pcs.
10.10 € *
E
no air gap
N87
9700 nH
-20/+30 %
70.5 mm
32 mm
33.2 mm
RM core, N41, 250 nH, ±3 %, outer Ø 29 mm, inner Ø 15 mm, (L x W x H) 42.2 x 30.2 x 19 mm
Manufacturer SKU:
 B65887E0250A041
1 pcs. 12.8163 €
10 pcs. 11.2574 €
60 pcs. 10.3530 €
120 pcs. 9.9603 €
480 pcs. 9.3534 €
12.8163 € - 9.3534 €
232 pcs.
12.82 € *
RM
1 mm
N41
250 nH
±3 %
29 mm
15 mm
42.2 mm
30.2 mm
19 mm
I core, N87, 7900 nH, -20/+30 %, (L x W x H) 93 x 30 x 76 mm
Manufacturer SKU:
 B67345B0002X087
1 pcs. 28.9289 €
8 pcs. 26.1562 €
16 pcs. 25.4541 €
64 pcs. 24.0618 €
152 pcs. 23.2407 €
28.9289 € - 23.2407 €
30 pcs.
28.93 € *
I
no air gap
N87
7900 nH
-20/+30 %
93 mm
30 mm
76 mm
Ring core, T1, outer Ø 14.2 mm, inner Ø 6.35 mm, (W x H) 28.5 x 28.5 mm
Manufacturer SKU:
 600 06 04
1 pcs. 2.0944 €
10 pcs. 1.3090 €
50 pcs. 1.1543 €
250 pcs. 0.9996 €
1000 pcs. 0.8687 €
2.0944 € - 0.8687 €
566 pcs.
2.09 € *
ring
no air gap
T1
14.2 mm
6.35 mm
28.5 mm
28.5 mm
E core, N27, 496 nH, (L x W x H) 55 x 27.8 x 21 mm
Manufacturer SKU:
 B66335G1000X127
1 pcs. 6.1642 €
10 pcs. 5.4264 €
108 pcs. 4.7719 €
216 pcs. 4.5815 €
864 pcs. 4.2840 €
6.1642 € - 4.2840 €
269 pcs.
6.16 € *
E
1 mm
N27
496 nH
55 mm
27.8 mm
21 mm
PQ core, N87, 6300 nH, -20/+30 %, inner Ø 13.45 mm, (L x W x H) 32 x 27.5 x 10.25 mm
Manufacturer SKU:
 B65879A0000R087
240 pcs. 3.2130 €
1200 pcs. 3.0226 €
3.2130 € - 3.0226 €
0 pcs.
3.21 € *
PQ
no air gap
N87
6300 nH
-20/+30 %
13.45 mm
32 mm
27.5 mm
10.25 mm
ETD core, N87, 525 nH, (L x W x H) 48.5 x 24.9 x 16.7 mm
Manufacturer SKU:
 B66367G0500X187
1 pcs. 5.5930 €
10 pcs. 4.9266 €
120 pcs. 4.3197 €
240 pcs. 4.1412 €
960 pcs. 3.8675 €
5.5930 € - 3.8675 €
441 pcs.
5.59 € *
ETD
0.5 mm
N87
525 nH
48.5 mm
24.9 mm
16.7 mm
RM core kit, N87, 250 nH, ±3 %, outer Ø 25 mm, inner Ø 12.8 mm, (L x W x H) 37.6 x 24.6 x 12.3 mm
Manufacturer SKU:
 B65815E0250A087
300 pcs. 3.9389 €
3.9389 €
0 pcs.
3.94 € *
RM
N87
250 nH
±3 %
25 mm
12.8 mm
37.6 mm
24.6 mm
12.3 mm
ETD core, N87, 5300 nH, -20/+30 %, (L x W x H) 59.8 x 22.1 x 31.2 mm
Manufacturer SKU:
 B66397G0000X187
1 pcs. 9.9365 €
10 pcs. 8.7465 €
40 pcs. 8.2824 €
160 pcs. 7.7945 €
640 pcs. 7.3185 €
9.9365 € - 7.3185 €
971 pcs.
9.94 € *
ETD
no air gap
N87
5300 nH
-20/+30 %
59.8 mm
22.1 mm
31.2 mm
ETD core, N87, 262 nH, (L x W x H) 43.8 x 22 x 15.2 mm
Manufacturer SKU:
 B66365G1000X187
1 pcs. 5.0694 €
10 pcs. 4.4744 €
144 pcs. 3.9151 €
288 pcs. 3.7604 €
1152 pcs. 3.5224 €
5.0694 € - 3.5224 €
996 pcs.
5.07 € *
ETD
1 mm
N87
262 nH
43.8 mm
22 mm
15.2 mm
E core, N27, 759 nH, (L x W x H) 42 x 21.2 x 15.2 mm
Manufacturer SKU:
 B66325G0250X127
1 pcs. 3.7842 €
10 pcs. 3.3320 €
208 pcs. 2.9155 €
416 pcs. 2.8084 €
832 pcs. 2.6894 €
3.7842 € - 2.6894 €
800 pcs.
3.78 € *
E
0.25 mm
N27
759 nH
42 mm
21.2 mm
15.2 mm
E core, N27, 259 nH, (L x W x H) 42 x 21.2 x 20 mm
Manufacturer SKU:
 B66329G1500X127
360 pcs. 2.1301 €
2.1301 €
0 pcs.
2.13 € *
E
1.5 mm
N27
259 nH
42 mm
21.2 mm
20 mm
ELP core, N87, 5700 nH, ±25 %, (L x W x H) 31.75 x 20.35 x 6.3 mm
Manufacturer SKU:
 B66287G0000X187
1 pcs. 3.0107 €
10 pcs. 2.5109 €
100 pcs. 2.1539 €
250 pcs. 1.9516 €
1000 pcs. 1.7731 €
3.0107 € - 1.7731 €
2,737 pcs.
3.01 € *
ELP
no air gap
N87
5700 nH
±25 %
31.75 mm
20.35 mm
6.3 mm
E core, N87, 4500 nH, -20/+30 %, (L x W x H) 80 x 20.2 x 38.5 mm
Manufacturer SKU:
 B66375G0000X187
80 pcs. 7.6398 €
400 pcs. 7.1876 €
7.6398 € - 7.1876 €
0 pcs.
7.64 € *
E
no air gap
N87
4500 nH
-20/+30 %
80 mm
20.2 mm
38.5 mm
ETD core, N97, 4600 nH, -20/+30 %, (L x W x H) 54.5 x 19.3 x 27.8 mm
Manufacturer SKU:
 B66395G0000X197
1 pcs. 7.8778 €
10 pcs. 6.9258 €
81 pcs. 6.1523 €
324 pcs. 5.7953 €
1296 pcs. 5.4145 €
7.8778 € - 5.4145 €
118 pcs.
7.88 € *
ETD
no air gap
N97
4600 nH
-20/+30 %
54.5 mm
19.3 mm
27.8 mm
PQ core, N87, 5000 nH, -20/+30 %, outer Ø 22.5 mm, inner Ø 15.5 mm, (L x W x H) 26.5 x 19 x 10.08 mm
Manufacturer SKU:
 B65877B0000R087
400 pcs. 3.6533 €
2000 pcs. 3.4510 €
3.6533 € - 3.4510 €
0 pcs.
3.65 € *
PQ
no air gap
N87
5000 nH
-20/+30 %
22.5 mm
15.5 mm
26.5 mm
19 mm
10.08 mm
PQ core, N87, 4500 nH, -20/+30 %, (L x W x H) 26.5 x 19 x 12.38 mm
Manufacturer SKU:
 B65877A0000R087
1 pcs. 3.7842 €
10 pcs. 3.3320 €
200 pcs. 2.9274 €
400 pcs. 2.8084 €
800 pcs. 2.7013 €
3.7842 € - 2.7013 €
146 pcs.
3.78 € *
PQ
no air gap
N87
4500 nH
-20/+30 %
26.5 mm
19 mm
12.38 mm
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*incl. VAT plus shipping costs
**Subject to prior sale
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Buy ferrite cores

Ferrite cores are components that are used in electronic circuits to suppress high-frequency interference signals. A ferrite core acts as a kind of magnetic sponge that can absorb electromagnetic waves due to its nature. This prevents these waves from interacting with other components.

Ferrite cores are present in a wide range of applications, from interference suppression in power supply systems to improving signal integrity in communication systems. They are essential components in the electronics industry, where they help ensure stable and trouble-free operation of devices.

Components for trouble-free operation

Toroidal core, E-core, PM-core, double hole and co.: The various ferrite core models and other inductors can be found in the Bürklin Elektronik online store. Convince yourself of the quality and reliability of our products! Our experts will help you select the right model if necessary - simply contact us by phone, or submit an inquiry via contact form. We will get back to you as soon as possible to clarify your request.