Laird Technologies - Broadband Solid Ferrite Cores for Round Cables and Wiring Harnesses
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Broadband Solid Ferrite Cores for Round Cables and Wiring Harnesses

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Laird Technologies' Cylindrical EMI suppression ferrites provide a cost effective means of reducing common and differential mode EMI. These cores are most frequently used to suppress common mode EMI on the internal and external cable assemblies of electronic equipment. By decreasing the levels of EMI radiated by internal cables, ferrite cores can reduce the cost and amount of overall shielding required to confine EMI within a product's enclosure. They may also be successfully used on power cables that carry digital or analog signaling. To achieve maximum EMI filtering performance in a given application, select a ferrite with an inner diameter most closely matching the outer diameter of the wire or wire bundle to be filtered. The in-circuit impedance may be substantially increased by passing 2 turns of the wire conductor through the ferrite core. A typical common mode application might have two conductors passed through a ferrite core. With equal and opposite currents flowing through the core, zero net bias is established through the component, and maximum impedance is thus realized from the ferrite.

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Item #

Figure Number

Dimension A

Dimension B

Dimension C

28B0250-100 1 6.35 mm
0.250 in 		3.18 mm
0.125 in 		15.88 mm
0.625 in
28B0268-000 1 6.78 mm
0.267 in 		3.99 mm
0.157 in 		14.22 mm
0.560 in
28B0275-000 1 7.00 mm
0.276 in 		3.80 mm
0.150 in 		13.50 mm
0.531 in
28B0296-000 1 7.52 mm
0.296 in 		2.39 mm
0.094 in 		7.54 mm
0.297 in
28B0315-000 1 8.00 mm
0.315 in 		3.17 mm
0.125 in 		4.78 mm
0.188 in
28B0315-100 1 8.00 mm
0.315 in 		3.17 mm
0.125 in 		10.06 mm
0.396 in
28B0339-000 1 8.60 mm
0.339 in 		3.80 mm
0.150 in 		10.00 mm
0.394 in
28B0355-000 1 9.00 mm
0.354 in 		4.75 mm
0.187 in 		20.00 mm
0.787 in
28B0375-000 1 9.53 mm
0.375 in 		5.08 mm
0.200 in 		10.41 mm
0.410 in
28B0375-100 1 9.53 mm
0.375 in 		5.08 mm
0.200 in 		14.48 mm
0.570 in
28B0375-300 1 9.53 mm
0.375 in 		5.08 mm
0.200 in 		19.05 mm
0.750 in
28B0375-400 1 9.53 mm
0.375 in 		5.08 mm
0.200 in 		4.83 mm
0.190 in
28B0384-000 1 9.75 mm
0.384 in 		3.80 mm
0.150 in 		10.00 mm
0.394 in
28B0384-200 1 9.75 mm
0.384 in 		3.80 mm
0.150 in 		25.00 mm
0.984 in
28B0390-200 1 9.91 mm
0.390 in 		6.35 mm
0.250 in 		15.00 mm
0.590 in
28B0434-000 1 11.00 mm
0.433 in 		5.00 mm
0.197 in 		32.00 mm
1.260 in
28B0472-090 1 12.00 mm
0.472 in 		3.60 mm
0.142 in 		20.00 mm
0.787 in
28B0473-000 1 12.00 mm
0.472 in 		3.55 mm
0.140 in 		10.00 mm
0.394 in
28B0473-200 1 12.00 mm
0.472 in 		3.55 mm
0.140 in 		25.00 mm
0.984 in
28B0485-000 1 12.32 mm
0.485 in 		4.88 mm
0.192 in 		25.40 mm
1.000 in
28B0500-100 1 12.70 mm
0.500 in 		7.92 mm
0.312 in 		6.35 mm
0.250 in
28B0500-300 1 12.70 mm
0.500 in 		7.92 mm
0.312 in 		12.70 mm
0.500 in
28B0562-000 1 14.27 mm
0.562 in 		6.35 mm
0.250 in 		10.16 mm
0.400 in
28B0562-100 1 14.27 mm
0.562 in 		6.35 mm
0.250 in 		13.46 mm
0.530 in
28B0562-200 1 14.27 mm
0.562 in 		6.35 mm
0.250 in 		28.58 mm
1.125 in
  Results 1 - 25 of 65 1 2 3